Deck 1: Safety

Question 1

When a person puts a lock on a piece of equipment to lock it out, the key is kept by ____.

A) the shift supervisor
B) the maintenance foreman
C) the person installing the lock
D) none of the above

Answer 1

C

Question 2

A current of 2 to 3 milliamperes passing through the body will generally cause ____.

A) the heart to go into fibrillation
B) muscular paralysis and breathing difficulty
C) a person to seize the line and not be able to let go
D) a slight tingling sensation

Answer 2

D

Question 3

All electrical lines and equipment should be considered ____ until determined otherwise.

A) open
B) energized
C) shorted
D) safe

Answer 3

B

Question 4

____ are used to prevent people from being shocked.

A) GFCD's
B) GFCP's
C) GFEP's
D) GFCI's

Question 5

Never work on an energized electrical circuit unless ____.

A) told to do so by your supervisor
B) it is not possible to disconnect the power
C) you are sure you can safely make the repairs
D) a and c only

Question 6

A safety harness and lanyard should be worn when working more than ____ feet above the floor or ground.

A) 4
B) 6
C) 8
D) 10

Question 7

An electrician's hard hat should be made of ____.

A) aluminum
B) plastic
C) steel
D) tungsten

Question 8

A class ____ fire involves energized electrical equipment.

A) A
B) B
C) C
D) D

Question 9

The mission of the ____ is to ensure safe and healthful workplaces in the United States.

A) Department of Labor
B) Department of Commerce
C) Bureau of Workman's Compensation
D) none of the above

Question 10

The most dangerous path for electrical shock through the body is ____.

A) foot to foot
B) hand to foot
C) foot to hand
D) hand to hand

Question 11

____ procedures are used to prevent someone from energizing an electrical circuit by mistake.

A) Energized circuit
B) Lock out
C) Tag out
D) Both b and c

Question 12

A class ____ fire involves grease, combustible liquids, or gases.

A) A
B) B
C) C
D) D

Question 13

A GFCI will open the circuit when it detects a current difference of ____.

A) 5 milliamperes
B) 8 milliamperes
C) 5 microamperes
D) 8 microampere

Question 14

A class ____ fire involves common combustible materials such as paper or wood.

A) A
B) B
C) C
D) D

Question 15

A current of 100 to 200 milliamperes passing through the body will generally cause ____.

A) the heart to go into fibrillation
B) muscular paralysis and breathing difficulty
C) a person to seize the line and not be able to let go
D) a slight tingling sensation

Question 16

The highest usable step on a stepladder is ____.

A) the top of the ladder
B) the top step of the ladder
C) the second step from the top of the ladder

Question 17

____ volts is generally the most dangerous to work with because it causes a current flow of 100 to 200 milliamperes through the body.

A) 50
B) 120
C) 240
D) 600

Question 18

Electricians should avoid working with ladders made of ____.

A) wood
B) fiberglass
C) aluminum
D) both b and c

Question 19

A current of 20 to 30 milliamperes passing through the body will generally cause ____.

A) the heart to go into fibrillation
B) muscular paralysis and breathing difficulty
C) a person to seize the line and not be able to let go
D) a slight tingling sensation

Question 20

A class ____ fire involves burning metal.

A) A
B) B
C) C
D) D

Question 21

Which type of arc-fault is generally caused by loose connections?

A) series
B) parallel

Question 22

When using a straight ladder on a wall 20 feet high, the base of the ladder should be ____________________ feet from the wall.

Question 23

Article ____ of the NEC lists the requirements for grounding electrical systems.

A) 210
B) 250
C) 1910
D) 1926

Question 24

The AFCI contains a white pigtail that is connected to the ____________________ bus bar in the panel box.

Question 25

The person most responsible for your safety on the job site is ____.

A) you
B) the foreman
C) the company
D) OSHA

Question 26

The current and temperature sensors permit the AFCI to operate as a circuit ____________________.

Question 27

____________________ is the force that pushes current through the circuit.

Question 28

What occurs when an intermittent gap between conductors or a conductor and ground permits current to jump between the two conductive surfaces.

A) ground-fault
B) arc-fault
C) minimum current
D) intermittent open

Question 29

The type of arc-fault that is very difficult to detect is the ____________________ type.

Question 30

The proper way to enter or exit a trench is by ____________________.

Question 31

____________________ provides a low-resistance path to ground to prevent conductive objects from existing at a high potential.

Question 32

The most important rule of safety is to ____________________ before you act.

Question 33

OSHA part ____ deals mainly with regulations concerning electrical safety.

A) 1900
B) 1910
C) 1940
D) 1975

Question 34

MSDS is an acronym for ______________________________.

Question 35

In order for a fire to burn, it must have oxygen, fuel, and ____________________.