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Questions and Answers

Which of the following is the focus of ISO 31000?

  • Risk Management Principles (correct)
  • Fire Safety Regulations
  • Occupational Health and Safety Management
  • Environmental Management Systems

What is the main purpose of ANSI ASSE Z490?

  • Setting criteria for safety and health training (correct)
  • Establishing risk management techniques
  • Assessing management system performance
  • Auditing environmental management systems

Which standard focuses on auditing management systems?

  • ISO 30010
  • ISO 19011 (correct)
  • NFPA 10
  • ANSI/ASSE Z590.2

What is the primary purpose of NFPA 13?

<p>Designing sprinkler systems (A)</p> Signup and view all the answers

Which standard is associated with criteria for establishing safety positions?

<p>ANSI/ASSE Z590.2-2003 (B)</p> Signup and view all the answers

Which of the following standards provides guidance on risk management assessment techniques?

<p>ISO 30010 (B)</p> Signup and view all the answers

Which NFPA standard specifically addresses the topic of flammable liquids?

<p>NFPA 30 (D)</p> Signup and view all the answers

What is the correct interpretation of the expression $(A + A)(A + B) = A + B$?

<p>A or not-A and A or B equals A or B. (A)</p> Signup and view all the answers

If the absolute pressure is defined as 14.7 psi, which of the following statements is true regarding gauge pressure?

<p>Absolute pressure must be calculated by adding 1 atm to gauge pressure. (A)</p> Signup and view all the answers

What does the equation $P_1 V_1 / T_1 = P_2 V_2 / T_2$ demonstrate?

<p>The relationship between pressure, volume, and absolute temperature of a gas. (D)</p> Signup and view all the answers

Given the worker's weight of 175 pounds under 1 G force, how would you express 4.4 G in terms of weight?

<p>The total weight experienced would be 775 pounds. (C)</p> Signup and view all the answers

Which of the following statements about the formula for distance is correct?

<p>Distance equals Speed multiplied by Time. (C)</p> Signup and view all the answers

Which formula correctly represents the relationship between flow rate, pressure differential, and internal diameter?

<p>$ Q = d^{1.85} P^{4.87} $ (C)</p> Signup and view all the answers

What is the value of 1 mile in kilometers?

<p>1.6 km (D)</p> Signup and view all the answers

If the sample standard deviation is denoted by 's', which of the following formulas accurately reflects its calculation?

<p>$ s = \sqrt{\frac{1}{n-1} \sum (X_i - \bar{X})^2} $ (A)</p> Signup and view all the answers

What is the conversion factor for converting kilograms to pounds?

<p>2.2 (B)</p> Signup and view all the answers

Which of the following correctly defines the regression coefficient of correlation (r)?

<p>a measure of the strength and direction of the relationship between two variables (C)</p> Signup and view all the answers

What is the unit for pressure that corresponds to 760 mm Hg?

<p>1 atmosphere (D)</p> Signup and view all the answers

What does the symbol 'k' represent in the context of combinations possible when taking n things k at a time?

<p>the number of selected things (B)</p> Signup and view all the answers

If the internal diameter (d) of a pipe is changed, how is the flow rate (Q) impacted as indicated by the formula $ Q \propto d^{1.85} $?

<p>The flow rate increases at a power of the diameter (A)</p> Signup and view all the answers

What is the measurement that 1 liter corresponds to in gallons?

<p>0.26 gal (D)</p> Signup and view all the answers

How far will a car traveling at 70 mph travel during a driver's reaction time of 0.73 seconds?

<p>48.6 feet (C)</p> Signup and view all the answers

What is the additional 'G' force experienced by a 173-pound worker who falls 6 feet with a total arresting force of 930 pounds?

<p>3.3 (B)</p> Signup and view all the answers

What is the magnitude of the force acting on a 227 kg cotton bale that accelerates from 10.0 m/s to 20.0 m/s in 3 seconds?

<p>906 N (C)</p> Signup and view all the answers

How many moles of oxygen are there in 10 grams if the atomic weight of oxygen is 16?

<p>0.63 moles (B)</p> Signup and view all the answers

Which equation is balanced?

<p>N2H4 + 2H2O2 → 4H2O + 2N2 (B)</p> Signup and view all the answers

What is the characteristic of an organic chemical?

<p>Contains carbon (A)</p> Signup and view all the answers

What is the nature of a substance with a pH reading of 1.8?

<p>Acidic (A)</p> Signup and view all the answers

What is the exit speed of a 227 kg bale of cotton that accelerates from 10.0 m/s to 20.0 m/s?

<p>20.0 m/s (D)</p> Signup and view all the answers

Which of the following processes occurs in activated carbon filters?

<p>Adsorption (C)</p> Signup and view all the answers

How many feet will a vehicle traveling at 45 mph cover during a 0.5-second reaction time?

<p>33 feet (C)</p> Signup and view all the answers

What is the NIOSH Recommended Exposure Limit (REL) for noise over an 8-hour average?

<p>85 dBA (C)</p> Signup and view all the answers

What is the OSHA permissible exposure limit (PEL) for noise over an 8-hour workday?

<p>90 dBA (A)</p> Signup and view all the answers

How much does the exposure duration need to be cut for each increase of 3 dB according to NIOSH?

<p>Cut in half (A)</p> Signup and view all the answers

What is the maximum allowable daily noise dose as specified by occupational standards?

<p>100% (B)</p> Signup and view all the answers

What exposure level corresponds to a 4-hour work shift according to OSHA's PEL?

<p>95 dBA (C)</p> Signup and view all the answers

What is the maximum exposure level that is permitted?

<p>140 dBA (D)</p> Signup and view all the answers

What does the term 'Time-Weighted Average' (TWA) refer to in the context of noise exposure limits?

<p>The average level of noise experienced over time based on intensity and duration (B)</p> Signup and view all the answers

What does an exposure level of 100 dBA signify for a 15-minute period according to OSHA?

<p>Reach 100% of daily noise dose (B)</p> Signup and view all the answers

What is the sound exposure level associated with reaching 100% noise dose over 2 hours according to NIOSH?

<p>91 dBA (D)</p> Signup and view all the answers

If a worker is exposed to 105 dBA for one hour, how does this compare to the limits set by NIOSH?

<p>Exceeds maximum limits (A)</p> Signup and view all the answers

Flashcards

ISO 14000

A set of internationally recognized guidelines for establishing, implementing, and maintaining an effective environmental management system. These guidelines ensure that organizations minimize their impact on the environment while striving for continuous improvement.

ISO 31000

A framework for identifying, assessing, and managing risks across an organization. It aims to help organizations make informed decisions and improve their overall risk profile.

ISO 30010

A specific standard that deals with the methodologies used to assess and evaluate risks identified within an organization. It provides practical guidance for risk assessments and risk evaluation.

ISO 19011

A standard that focuses on the audit process for various management systems, including environmental, quality, and safety systems. It provides guidance on how to plan, conduct, and report on audits.

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ANSI-ASSE Z10

A standard that defines requirements for occupational health and safety management systems (OHSMS). It provides guidance on how to implement, maintain, and improve an OHSMS to ensure a safe and healthy working environment.

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ANSI ASSE Z490

A standard that outlines practices and criteria for safety and health training programs. It provides guidance on program development, implementation, and evaluation.

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ANSI/ASSE Z590.2-2003

A standard that establishes criteria for defining the scope and functions of professional safety positions within an organization. It helps ensure clarity and consistency in defining safety roles and responsibilities.

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Standard Deviation (s)

A statistical measure that describes the spread of data points around the mean. It quantifies the average deviation of each observation from the mean.

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Regression Coefficient (r)

The measure of the strength and direction of the linear relationship between two variables.

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Combinations Formula (nCk)

The number of combinations when selecting 'k' items from a set of 'n' items, without considering the order.

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Failure Rate

Represents the inverse of the mean time between failures, indicating the likelihood of failure within a specified time period.

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Flow Rate (Q)

The flow rate of a fluid through a pipe, often measured in gallons per minute (gpm).

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Pressure Differential (P)

The pressure difference between two points in a fluid system, contributing to the flow rate.

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Pressure Drop (Pd)

The pressure loss due to friction within a pipe, expressed in pounds per square inch per foot (psi/ft).

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Coefficient of Roughness (C)

A dimensionless coefficient indicating the roughness of a pipe's internal surface affecting pressure drop.

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Static Pressure (S)

The pressure exerted by a fluid at rest, often measured in pounds per square inch (psi).

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Reaction Time Distance

The distance a vehicle travels during the driver's reaction time before applying the brakes.

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G-Force

The force experienced by a body due to acceleration, expressed as a multiple of the acceleration due to gravity (g).

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Acceleration

The rate of change of velocity over time.

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Newton's Second Law of Motion

The force acting on an object is equal to its mass multiplied by its acceleration.

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Adsorption

The process of a substance sticking to the surface of another substance.

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Absorption

The process of a substance dissolving into another substance.

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Desorption

The process of a substance being released from the surface of another substance.

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Organic Chemical

A chemical compound containing carbon atoms, often found in living organisms.

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Acidic Substance

A substance with a pH value less than 7, indicating acidity.

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Basic Substance

A substance with a pH value greater than 7, indicating alkalinity or basicity.

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NIOSH REL for noise

The recommended exposure limit for noise set by NIOSH. It's the maximum permissible noise level over an 8-hour period.

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dBA

A measurement of sound intensity, where 'A-weighting' reflects how the human ear perceives different frequencies.

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Time-Weighted Average (TWA)

The average exposure level over a defined work period. Usually calculated for an 8-hour day.

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OSHA PEL for noise

The permissible exposure limit for noise set by OSHA, applying to all workers for an 8-hour day.

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Noise Dose

A system for measuring noise exposure based on the duration and intensity of the sound.

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Exchange Rates

The relationship between noise levels and exposure duration. For each increase in noise level, the allowed exposure time is reduced.

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Time to Reach 100% Noise Dose

The maximum permissible exposure duration for a specific noise level, resulting in 100% of the daily noise dose.

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Exposure Level per NIOSH REL

A specific noise level for a given exposure duration, based on NIOSH's guidelines.

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Exposure Level per OSHA PEL

A specific noise level for a given exposure duration, based on OSHA's guidelines.

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Daily Noise Dose

The maximum allowable daily noise dose, expressed as a percentage.

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Ideal Gas Law Factor '!'

The symbol '!' indicates that it's a factor that is not equal to 1. It is used in the ideal gas law equation.

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Volume of a Cylinder

The formula for calculating the volume of a cylinder is: Volume (V) = π * (Radius (r))^2 * Height (h)

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Pressure (P) in Fluids

Pressure is a force per unit area. Here are some ways we measure it in the context of fluids and gases: - psi: pounds per square inch - mm Hg: millimeters of mercury - in Hg: inches of mercury - ft HjO : feet of water - torr: unit of pressure - usually in mm Hg - kpa: kilopascals

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Charles's Law

The volume of a gas is directly proportional to its absolute temperature, when the pressure is held constant, this is a fundamental relationship in the study of gases.

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Distance Equation

Distance is the product of speed and time.

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