Electricity Basics: Static and Dynamic Characteristics

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What is the term for the total volume of water flowing past a certain point in a given length of time, analogous to electricity flowing through a circuit?

Voltage

Resistance

Power

Current (correct)

What is the unit of measurement for electric current in relation to the effect of shock on the human body?

Milliamperes (correct)

Ampere

Ohms

Volts

What is the condition that retards the flow of electricity, analogous to pressure in a pipeline?

Current

Voltage

Conductivity

Resistance (correct)

What is the term for the pressure in a pipeline, analogous to electricity flowing through a circuit?

Voltage (A) Signup and view all the answers

What is the factor that determines the severity of electric shock?

Current flow (B) Signup and view all the answers

What is the material that is the best conductor of electricity?

Silver (C) Signup and view all the answers

What is the most effective way to prevent fires from occurring?

Having no fire at all (D) Signup and view all the answers

What percentage of fires are caused by smoking?

18% (A) Signup and view all the answers

What is the definition of fire?

A rapid, self-sustaining oxidation process accompanied by the evolution of heat and light (C) Signup and view all the answers

What is the primary product of thermal fire?

Heat (B) Signup and view all the answers

Which class of fire involves combustible metals?

Class D (A) Signup and view all the answers

What is the term for the act or process of combining with oxygen?

Oxidation (B) Signup and view all the answers

What is the first step to ensure when lifting a load?

Place your feet close to the object (D) Signup and view all the answers

How should you position your feet when lifting a load?

Shoulder-width apart and close to the object (B) Signup and view all the answers

What is the recommended way to set up an extension ladder?

Following the one-to-four ratio rule (C) Signup and view all the answers

Why should you lock a door when using a ladder in front of it?

To prevent someone from opening it (B) Signup and view all the answers

What should you avoid when working with a ladder?

Climbing higher than the third rung (C) Signup and view all the answers

What is the correct way to lower a load?

By bending your knees (B) Signup and view all the answers

What is the recommended approach for individuals who wear prescription lenses when wearing safety glasses?

Wear eye protection that incorporates the prescription into the lens or wear over existing lenses (B) Signup and view all the answers

What type of lens is specifically designed for chipping tasks?

Flip-front filter lens (D) Signup and view all the answers

What is the primary function of auto darkening lenses in welding helmets?

To automatically change the shade in response to welding activity (C) Signup and view all the answers

What holds the shaded lens in a stationary filter lens?

A spring retainer (B) Signup and view all the answers

What can be adjusted in an auto darkening lens?

The variety of shades available (B) Signup and view all the answers

What is necessary to effectively implement efforts to minimize fires and their effects?

Full financial, equipment, and personnel support (A) Signup and view all the answers

What is the primary focus of fire prevention efforts?

Continuous involvement of all community sectors (D) Signup and view all the answers

What is the goal of the Fire Service in responding to fires?

To respond to all fires before they reach critical stages (B) Signup and view all the answers

How will the organization and operation of the Fire Service be improved?

By improving the organization, administration, and operation of the Fire Service (B) Signup and view all the answers

What will be included in the curricula of educational institutions for this purpose?

Courses on fire technology and fire protection engineering (B) Signup and view all the answers

What is the desired outcome for the Fire Service?

To become a professional organization (D) Signup and view all the answers