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What is the formula to calculate voltage in a DC circuit?
What is the formula to calculate power in an AC circuit?
What is the formula to calculate total resistance in a series circuit?
What is the formula to calculate total capacitance in a parallel circuit?
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What is the formula to calculate total inductance in a series circuit?
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What is the unit of measurement for voltage?
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What is the unit of measurement for power?
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What is the unit of measurement for resistance?
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What is the primary purpose of a Ground Fault Circuit Interrupter (GFCI)?
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What is the term for the flow of electrical current through a person's body?
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What is the primary purpose of bonding and grounding in electrical systems?
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What is the term for the electrical voltage that can cause injury or death?
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What is the primary purpose of a safetyrelated work practice in electrical systems?
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What is the term for the electrical current that flows through a conductor?
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What is the primary purpose of an Assured Equipment Grounding Conductor Program?
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What is the term for the electrical energy that can cause injury or death?
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What is the pressure exerted by a fluid at equilibrium due to the weight of the fluid?
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Which law relates to the height of a fluid column in a pipe?
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What is the pressure of a fluid due to its velocity?
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What is the purpose of calculating static pressure, velocity pressure, and total pressure in ventilation?
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What is the total pressure of a fluid at a given point?
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What is the term for the movement of air into a hood or enclosure?
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Which principle relates to the relationship between pressure and velocity of a fluid?
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What is the loss of pressure in a pipe due to friction?
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What is used to calculate the air flow velocity in a duct?
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What is the calculation of the pressure loss due to friction in a pipe?
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What is the purpose of calculating the static pressure of a fan?
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What is the study of the properties of fluids at rest and in motion?
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What is the term for the removal of contaminants from the air using filters or other devices?
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What is the purpose of calculating the volumetric air flow?
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What is the term for the process of removing contaminants from the air using ventilation?
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What is the purpose of calculating the capture velocity for a plain opening hood?
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What is the term for the rate at which sound waves propagate?
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What is the term for the distance between two consecutive identical points on a sound wave?
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What is the unit of measurement for sound power?
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What is the term for the time required for one complete cycle of a sound wave?
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What is the unit of measurement for sound intensity?
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What is the process of calculating the total noise exposure over a period of time?
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What is the term for the total noise exposure over a period of time?
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What is the process of converting the noise dosage into a single value?
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What is the primary purpose of Ohm's Law in electrical circuits?
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In a series circuit, what is the total resistance?
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What is the primary purpose of calculating power in a circuit?
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In a parallel circuit, what is the total current?
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What is the primary purpose of calculating voltage in a circuit?
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What is the term for the flow of electrical current through a person's body?
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What is the primary purpose of Ground Fault Circuit Interrupters (GFCIs)?
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What is the primary purpose of calculating resistance in a circuit?
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What is the primary purpose of general ventilation?
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What is the term for the movement of air into a hood or enclosure?
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What is the purpose of calculating static pressure, velocity pressure, and total pressure in ventilation?
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What is the term for the rate at which contaminants are generated?
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What is the purpose of calculating the volumetric air flow?
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What is the term for the process of removing contaminants from the air using ventilation?
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What is the purpose of calculating the capture velocity for a plain opening hood?
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What is the term for the device used to measure air flow velocity?
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What is the primary purpose of a Ground Fault Circuit Interrupter (GFCI)?
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What is the term for the electrical voltage that can cause injury or death?
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What is the primary purpose of an Assured Equipment Grounding Conductor Program?
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What is the term for the flow of electrical current through a person's body?
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What is the primary purpose of bonding and grounding in electrical systems?
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What is the primary purpose of a safetyrelated work practice in electrical systems?
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What is the term for the electrical current that flows through a conductor?
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What is the primary purpose of controlling electrical hazards?
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What is the pressure exerted by a fluid at equilibrium due to the weight of the fluid?
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Which law relates to the height of a fluid column in a pipe?
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What is the pressure of a fluid due to its velocity?
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What is the total pressure of a fluid at a given point?
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What is the loss of pressure in a pipe due to friction?
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Which principle relates to the relationship between pressure and velocity of a fluid?
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What is the study of the properties of fluids at rest and in motion?
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What is the purpose of calculating static pressure, velocity pressure, and total pressure in ventilation?
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What is the term for the flow of sound waves through a medium?
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What is the term for the distance between two consecutive identical points on a sound wave?
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What is the unit of measurement for sound power?
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What is the term for the process of calculating the total noise exposure over a period of time?
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What is the term for the time required for one complete cycle of a sound wave?
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What is the unit of measurement for sound intensity?
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What is the process of calculating the sound pressure level (SPL) at a given point?
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What is the term for the standardized program for reducing the risk of hearing loss?
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What is the main purpose of calculating pressure loss due to friction in a pipe?
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Which principle relates to the relationship between pressure and velocity of a fluid?
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What is the term for the pressure of a fluid due to its velocity?
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What is the purpose of calculating static pressure, velocity pressure, and total pressure in ventilation?
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What is the total pressure of a fluid at a given point?
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What is the purpose of calculating the volumetric air flow?
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What is the term for the removal of contaminants from the air using filters or other devices?
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What is the primary purpose of a safetyrelated work practice in electrical systems?
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What is the purpose of calculating the capture velocity for a plain opening hood?
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What is the term for the electrical voltage that can cause injury or death?
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What is the primary purpose of an Assured Equipment Grounding Conductor Program?
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What is the term for the flow of electrical current through a person's body?
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What is the primary purpose of bonding and grounding in electrical systems?
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What is the term for the electrical energy that can cause injury or death?
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What is the primary purpose of Ground Fault Circuit Interrupters (GFCIs)?
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What is the term for the electrical current that flows through a conductor?
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What is the term for the total noise exposure over a period of time?
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What is the unit of measurement for sound power?
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What is the term for the distance between two consecutive identical points on a sound wave?
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What is the purpose of calculating the total noise exposure over a period of time?
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What is the term for the rate at which sound waves propagate?
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What is the term for the time required for one complete cycle of a sound wave?
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What is the unit of measurement for sound intensity?
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What is the process of calculating the total noise exposure over a period of time?
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In a series circuit, what is the total voltage if the voltage across each resistor is 12V, 24V, and 36V?
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What is the total current in a parallel circuit with three resistors, each with a resistance of 2 ohms, and a total voltage of 12V?
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What is the power consumed by a resistor with a resistance of 4 ohms, connected to a voltage source of 24V?
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What is the total capacitance in a series circuit with three capacitors, each with a capacitance of 3 microfarads?
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What is the total inductance in a parallel circuit with three inductors, each with an inductance of 2 henries?
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What is the impedance of a circuit with a resistance of 4 ohms, a capacitance of 3 microfarads, and an inductance of 2 henries?
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What is the phase angle of a circuit with a resistance of 4 ohms, a capacitance of 3 microfarads, and an inductance of 2 henries?
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What is the power factor of a circuit with a resistance of 4 ohms, a capacitance of 3 microfarads, and an inductance of 2 henries?
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What is the purpose of calculating static pressure, velocity pressure, and total pressure in ventilation?
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What is the term for the rate at which contaminants are removed from the air using ventilation?
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What is the purpose of calculating the capture velocity for a plain opening hood?
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What is the term for the process of removing contaminants from the air using filters or other devices?
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What is the purpose of calculating the volumetric air flow?
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What is the term for the movement of air into a hood or enclosure?
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What is the primary purpose of local exhaust ventilation?
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What is the term for the process of calculating the total pressure of a fluid at a given point?
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Study Notes
Electricity Basis
 Electricity involves voltage, current, and resistance
 Series and parallel circuits are used to calculate voltage, current, and resistance
 Direct and alternating currents have different properties and applications
Calculating Values of Voltage, Current, and Resistance
 Ohm's Law is used to calculate voltage, current, and resistance in DC and AC circuits
 Calculating voltage, current, and resistance involves using formulas and equations
 Calculating power in DC and AC circuits involves using formulas and equations
Resistors
 Resistors are used to reduce voltage in a circuit
 Calculating resistance in a series circuit involves adding individual resistances
 Calculating resistance in a parallel circuit involves using formulas and equations
Capacitors
 Capacitors are used to store energy in a circuit
 Calculating capacitance in a series circuit involves using formulas and equations
 Calculating capacitance in a parallel circuit involves adding individual capacitances
Inductors
 Inductors are used to store energy in a magnetic field
 Calculating inductance in a series circuit involves using formulas and equations
 Calculating inductance in a parallel circuit involves adding individual inductances
Electrical Safety
 Electrical shock hazards can cause injuries and fatalities
 Burns caused by electricity can be severe and lifethreatening
 Arc blasts, electrical fires, and exposed electrical parts are hazards
 Controlling electrical hazards involves using safety practices and equipment
Excavation Safety
 Soil classifications are important for excavation safety
 Protective systems such as sloping, shoring, and shields are used to prevent soil collapse
 Safe entry and exit procedures are crucial for trenching and excavation
 Controlling electrical hazards in excavation involves using safety practices and equipment
Construction Safety
 Electrical safety in construction involves using safety practices and equipment
 Electrical definitions and injuries are important for construction safety
 Controlling electrical hazards in construction involves using safety practices and equipment
 Static electricity, bonding, and grounding are important for construction safety
Scaffolds and Fall Protection
 Scaffolds are used to access high areas in construction
 Fall hazards, falling objects, and fall protection are important for scaffold safety
 Elements of safe scaffold construction and scaffold training requirements are crucial
 Fall protection and prevention in construction involves using safety practices and equipment
Cranes and Derrick Safety
 Cranes and derricks are used to lift heavy loads in construction
 Safety regulations and guidelines are crucial for crane and derrick safety
Welding, Cutting, and Brazing Safety
 Welding, cutting, and brazing involve using safety practices and equipment
 Oxygenfuel gas welding and cutting, fuel gas and oxygen manifolds, and hoses are important for safety
 Arc welding and cutting, resistance welding, and fire prevention are important for safety
 Ventilation and protection in welding, cutting, and heating are crucial
Hand and Power Tool Safety
 Hand and power tools are used in construction and manufacturing
 Safety regulations and guidelines are crucial for hand and power tool safety
Ventilation
 Ventilation is used to remove contaminants and improve air quality
 Types of ventilation include general ventilation, dilution ventilation, and local exhaust ventilation
 General concepts of ventilation involve air movement, volumetric air flow, and contaminant generation
 Local exhaust ventilation involves using hoods, ducts, fans, and aircleaning devices
Hydrostatics and Hydraulics

Hydrostatics and hydraulics involve the study of water properties and pressure

Hydrostatic pressure, Torricelli's Law, and head pressure are important for hydrostatics and hydraulics

Flow rates and pressure drops, flow rates and pressures, and Bernoulli's Principle are important for hydrostatics and hydraulics### OSHA's Hearing Conservation Program

The program includes monitoring, soundmeasuring instruments, employee notification, audiometric testing, standard threshold shift, training program, and record keeping.
Who Is Included in the Hearing Conservation Program?
 The program includes individuals who are exposed to hazardous levels of noise in the workplace.
NoiseRelated Definitions
 Noise: any sound that can cause harm to one's hearing.
 Continuous Noise: noise that lasts for more than 1 second.
 Intermittent Noise: noise that lasts for less than 1 second.
 Sound: a pressure wave that travels through the air.
 Frequency (f): the number of oscillations or cycles per second, measured in hertz (Hz).
 Period: the time it takes for one oscillation or cycle to complete, measured in seconds (s).
 Speed or Velocity of Sound (c): the distance traveled by sound in one second, approximately 343 meters per second (m/s).
 Wavelength (Î»): the distance between two consecutive points on a wave that are in phase with each other, measured in meters (m).
Anatomy and Physiology of the Ear
 The ear is responsible for detecting sound waves and converting them into electrical signals that the brain can interpret.
Types of Hearing Loss
 There are two main types of hearing loss: conductive and sensorineural.
Major Causes of Hearing Loss
 Exposure to loud noise, age, genetics, and certain medical conditions.
OSHA Permissible Noise Exposures
 OSHA sets limits on the amount of noise exposure allowed in the workplace.
Entities of Noise
 Sound Power (Lw): the total sound energy emitted by a source.
 Sound Pressure (Lp): the pressure of sound waves on the eardrum.
 Sound Intensity (LI): the amount of sound energy passing through a given area.
Noise Calculations
 Calculating permissible noise exposures involves determining the amount of noise exposure allowed in a given time period.
 Calculating noise dosage involves determining the amount of noise exposure received over a given time period.
 Converting noise dosage into TWA (timeweighted average) involves calculating the average noise exposure over a given time period.
 Combining noise levels involves calculating the total noise exposure from multiple sources.
 Calculating sound levels at various distances involves determining the decrease in sound level with increasing distance.
 Calculating sound power level (Lw) involves determining the total sound energy emitted by a source.
 Calculating sound pressure (Lp) levels involves determining the pressure of sound waves on the eardrum.
 Calculating sound intensity levels (LI) involves determining the amount of sound energy passing through a given area.
 Calculating room absorption involves determining the amount of sound energy absorbed by a room.
 Calculating absorption along a transmission path involves determining the amount of sound energy absorbed by a material or obstacle.
Electricity Basis
 Electricity involves voltage, current, and resistance
 Series and parallel circuits are used to calculate voltage, current, and resistance
 Direct and alternating currents have different properties and applications
Calculating Values of Voltage, Current, and Resistance
 Ohm's Law is used to calculate voltage, current, and resistance in DC and AC circuits
 Calculating voltage, current, and resistance involves using formulas and equations
 Calculating power in DC and AC circuits involves using formulas and equations
Resistors
 Resistors are used to reduce voltage in a circuit
 Calculating resistance in a series circuit involves adding individual resistances
 Calculating resistance in a parallel circuit involves using formulas and equations
Capacitors
 Capacitors are used to store energy in a circuit
 Calculating capacitance in a series circuit involves using formulas and equations
 Calculating capacitance in a parallel circuit involves adding individual capacitances
Inductors
 Inductors are used to store energy in a magnetic field
 Calculating inductance in a series circuit involves using formulas and equations
 Calculating inductance in a parallel circuit involves adding individual inductances
Electrical Safety
 Electrical shock hazards can cause injuries and fatalities
 Burns caused by electricity can be severe and lifethreatening
 Arc blasts, electrical fires, and exposed electrical parts are hazards
 Controlling electrical hazards involves using safety practices and equipment
Excavation Safety
 Soil classifications are important for excavation safety
 Protective systems such as sloping, shoring, and shields are used to prevent soil collapse
 Safe entry and exit procedures are crucial for trenching and excavation
 Controlling electrical hazards in excavation involves using safety practices and equipment
Construction Safety
 Electrical safety in construction involves using safety practices and equipment
 Electrical definitions and injuries are important for construction safety
 Controlling electrical hazards in construction involves using safety practices and equipment
 Static electricity, bonding, and grounding are important for construction safety
Scaffolds and Fall Protection
 Scaffolds are used to access high areas in construction
 Fall hazards, falling objects, and fall protection are important for scaffold safety
 Elements of safe scaffold construction and scaffold training requirements are crucial
 Fall protection and prevention in construction involves using safety practices and equipment
Cranes and Derrick Safety
 Cranes and derricks are used to lift heavy loads in construction
 Safety regulations and guidelines are crucial for crane and derrick safety
Welding, Cutting, and Brazing Safety
 Welding, cutting, and brazing involve using safety practices and equipment
 Oxygenfuel gas welding and cutting, fuel gas and oxygen manifolds, and hoses are important for safety
 Arc welding and cutting, resistance welding, and fire prevention are important for safety
 Ventilation and protection in welding, cutting, and heating are crucial
Hand and Power Tool Safety
 Hand and power tools are used in construction and manufacturing
 Safety regulations and guidelines are crucial for hand and power tool safety
Ventilation
 Ventilation is used to remove contaminants and improve air quality
 Types of ventilation include general ventilation, dilution ventilation, and local exhaust ventilation
 General concepts of ventilation involve air movement, volumetric air flow, and contaminant generation
 Local exhaust ventilation involves using hoods, ducts, fans, and aircleaning devices
Hydrostatics and Hydraulics

Hydrostatics and hydraulics involve the study of water properties and pressure

Hydrostatic pressure, Torricelli's Law, and head pressure are important for hydrostatics and hydraulics

Flow rates and pressure drops, flow rates and pressures, and Bernoulli's Principle are important for hydrostatics and hydraulics### OSHA's Hearing Conservation Program

The program includes monitoring, soundmeasuring instruments, employee notification, audiometric testing, standard threshold shift, training program, and record keeping.
Who Is Included in the Hearing Conservation Program?
 The program includes individuals who are exposed to hazardous levels of noise in the workplace.
NoiseRelated Definitions
 Noise: any sound that can cause harm to one's hearing.
 Continuous Noise: noise that lasts for more than 1 second.
 Intermittent Noise: noise that lasts for less than 1 second.
 Sound: a pressure wave that travels through the air.
 Frequency (f): the number of oscillations or cycles per second, measured in hertz (Hz).
 Period: the time it takes for one oscillation or cycle to complete, measured in seconds (s).
 Speed or Velocity of Sound (c): the distance traveled by sound in one second, approximately 343 meters per second (m/s).
 Wavelength (Î»): the distance between two consecutive points on a wave that are in phase with each other, measured in meters (m).
Anatomy and Physiology of the Ear
 The ear is responsible for detecting sound waves and converting them into electrical signals that the brain can interpret.
Types of Hearing Loss
 There are two main types of hearing loss: conductive and sensorineural.
Major Causes of Hearing Loss
 Exposure to loud noise, age, genetics, and certain medical conditions.
OSHA Permissible Noise Exposures
 OSHA sets limits on the amount of noise exposure allowed in the workplace.
Entities of Noise
 Sound Power (Lw): the total sound energy emitted by a source.
 Sound Pressure (Lp): the pressure of sound waves on the eardrum.
 Sound Intensity (LI): the amount of sound energy passing through a given area.
Noise Calculations
 Calculating permissible noise exposures involves determining the amount of noise exposure allowed in a given time period.
 Calculating noise dosage involves determining the amount of noise exposure received over a given time period.
 Converting noise dosage into TWA (timeweighted average) involves calculating the average noise exposure over a given time period.
 Combining noise levels involves calculating the total noise exposure from multiple sources.
 Calculating sound levels at various distances involves determining the decrease in sound level with increasing distance.
 Calculating sound power level (Lw) involves determining the total sound energy emitted by a source.
 Calculating sound pressure (Lp) levels involves determining the pressure of sound waves on the eardrum.
 Calculating sound intensity levels (LI) involves determining the amount of sound energy passing through a given area.
 Calculating room absorption involves determining the amount of sound energy absorbed by a room.
 Calculating absorption along a transmission path involves determining the amount of sound energy absorbed by a material or obstacle.
Electricity Basis
 Electricity involves voltage, current, and resistance
 Series and parallel circuits are used to calculate voltage, current, and resistance
 Direct and alternating currents have different properties and applications
Calculating Values of Voltage, Current, and Resistance
 Ohm's Law is used to calculate voltage, current, and resistance in DC and AC circuits
 Calculating voltage, current, and resistance involves using formulas and equations
 Calculating power in DC and AC circuits involves using formulas and equations
Resistors
 Resistors are used to reduce voltage in a circuit
 Calculating resistance in a series circuit involves adding individual resistances
 Calculating resistance in a parallel circuit involves using formulas and equations
Capacitors
 Capacitors are used to store energy in a circuit
 Calculating capacitance in a series circuit involves using formulas and equations
 Calculating capacitance in a parallel circuit involves adding individual capacitances
Inductors
 Inductors are used to store energy in a magnetic field
 Calculating inductance in a series circuit involves using formulas and equations
 Calculating inductance in a parallel circuit involves adding individual inductances
Electrical Safety
 Electrical shock hazards can cause injuries and fatalities
 Burns caused by electricity can be severe and lifethreatening
 Arc blasts, electrical fires, and exposed electrical parts are hazards
 Controlling electrical hazards involves using safety practices and equipment
Excavation Safety
 Soil classifications are important for excavation safety
 Protective systems such as sloping, shoring, and shields are used to prevent soil collapse
 Safe entry and exit procedures are crucial for trenching and excavation
 Controlling electrical hazards in excavation involves using safety practices and equipment
Construction Safety
 Electrical safety in construction involves using safety practices and equipment
 Electrical definitions and injuries are important for construction safety
 Controlling electrical hazards in construction involves using safety practices and equipment
 Static electricity, bonding, and grounding are important for construction safety
Scaffolds and Fall Protection
 Scaffolds are used to access high areas in construction
 Fall hazards, falling objects, and fall protection are important for scaffold safety
 Elements of safe scaffold construction and scaffold training requirements are crucial
 Fall protection and prevention in construction involves using safety practices and equipment
Cranes and Derrick Safety
 Cranes and derricks are used to lift heavy loads in construction
 Safety regulations and guidelines are crucial for crane and derrick safety
Welding, Cutting, and Brazing Safety
 Welding, cutting, and brazing involve using safety practices and equipment
 Oxygenfuel gas welding and cutting, fuel gas and oxygen manifolds, and hoses are important for safety
 Arc welding and cutting, resistance welding, and fire prevention are important for safety
 Ventilation and protection in welding, cutting, and heating are crucial
Hand and Power Tool Safety
 Hand and power tools are used in construction and manufacturing
 Safety regulations and guidelines are crucial for hand and power tool safety
Ventilation
 Ventilation is used to remove contaminants and improve air quality
 Types of ventilation include general ventilation, dilution ventilation, and local exhaust ventilation
 General concepts of ventilation involve air movement, volumetric air flow, and contaminant generation
 Local exhaust ventilation involves using hoods, ducts, fans, and aircleaning devices
Hydrostatics and Hydraulics

Hydrostatics and hydraulics involve the study of water properties and pressure

Hydrostatic pressure, Torricelli's Law, and head pressure are important for hydrostatics and hydraulics

Flow rates and pressure drops, flow rates and pressures, and Bernoulli's Principle are important for hydrostatics and hydraulics### OSHA's Hearing Conservation Program

The program includes monitoring, soundmeasuring instruments, employee notification, audiometric testing, standard threshold shift, training program, and record keeping.
Who Is Included in the Hearing Conservation Program?
 The program includes individuals who are exposed to hazardous levels of noise in the workplace.
NoiseRelated Definitions
 Noise: any sound that can cause harm to one's hearing.
 Continuous Noise: noise that lasts for more than 1 second.
 Intermittent Noise: noise that lasts for less than 1 second.
 Sound: a pressure wave that travels through the air.
 Frequency (f): the number of oscillations or cycles per second, measured in hertz (Hz).
 Period: the time it takes for one oscillation or cycle to complete, measured in seconds (s).
 Speed or Velocity of Sound (c): the distance traveled by sound in one second, approximately 343 meters per second (m/s).
 Wavelength (Î»): the distance between two consecutive points on a wave that are in phase with each other, measured in meters (m).
Anatomy and Physiology of the Ear
 The ear is responsible for detecting sound waves and converting them into electrical signals that the brain can interpret.
Types of Hearing Loss
 There are two main types of hearing loss: conductive and sensorineural.
Major Causes of Hearing Loss
 Exposure to loud noise, age, genetics, and certain medical conditions.
OSHA Permissible Noise Exposures
 OSHA sets limits on the amount of noise exposure allowed in the workplace.
Entities of Noise
 Sound Power (Lw): the total sound energy emitted by a source.
 Sound Pressure (Lp): the pressure of sound waves on the eardrum.
 Sound Intensity (LI): the amount of sound energy passing through a given area.
Noise Calculations
 Calculating permissible noise exposures involves determining the amount of noise exposure allowed in a given time period.
 Calculating noise dosage involves determining the amount of noise exposure received over a given time period.
 Converting noise dosage into TWA (timeweighted average) involves calculating the average noise exposure over a given time period.
 Combining noise levels involves calculating the total noise exposure from multiple sources.
 Calculating sound levels at various distances involves determining the decrease in sound level with increasing distance.
 Calculating sound power level (Lw) involves determining the total sound energy emitted by a source.
 Calculating sound pressure (Lp) levels involves determining the pressure of sound waves on the eardrum.
 Calculating sound intensity levels (LI) involves determining the amount of sound energy passing through a given area.
 Calculating room absorption involves determining the amount of sound energy absorbed by a room.
 Calculating absorption along a transmission path involves determining the amount of sound energy absorbed by a material or obstacle.
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Description
Test your understanding of the fundamentals of electricity, including voltage, current, and resistance. Learn about series and parallel circuits and more.