WorksheetsQuiz 1 Review
Total questions: 68
Worksheet time: 34mins
Who is responsible for work performed on a project?
The apprentice
The contractor
The customer
The Journeyman
What dangers are associated with accumulated trash on a jobsite?
Accumulated trash is a fire hazard.
Accumulated trash makes tripping or falls possible.
Accumulated trash conceals dangers that can cause injuries.
All of the above.
A Journeyman is told to run a three-inch conduit across a room and decides to use a channel-iron system. The apprentice suggests that one-hole straps might be quicker. What might happen?
The Journeyman should explain the reasoning behind his or her decision. The apprentice should respect the Journeyman's experience and should defer to the Journeyman.
The apprentice should try to convince the Journeyman to change his or her mind.
The matter should be brought to the attention of the foreman or contractor.
All of the above.
______ is a keen sense of what to do or say in order to maintain good relations with others or avoid offense.
Observation
Perception
Respect
Tact
A good apprentice anticipates the needs of the Journeyman by _____.
carrying all of the tools the Journeyman might need for that day's tasks
laying out the worksite before the Journeyman arrives so the Journeyman can start working right away
mentally viewing the job and breaking down the tasks; the apprentice can then plan the tools and materials that will be needed
reading the blueprints, so the apprentice can provide a material takeoff and gather the materials needed for that day's tasks
Why should an apprentice feel a responsibility for tools used on a jobsite?
It is not required of the apprentice to feel responsible for the tools as this is the Journeyman's responsibility.
It is not required of the apprentice to feel responsible for the tools as this is the contractor's responsibility.
Proper care of tools is essential for their safe use and operation no matter who is responsible.
Tools used on a jobsite are expensive.
Should tools, material, equipment, and trash be left for cleanup after all the day's projects have been completed?
Yes, this is the most efficient method.
No, tools, material, and equipment should be organized as each smaller job or project is finished, and the trash should be left for cleanup after all the day's projects have been completed.
No, the tools, material, and equipment should be organized as each smaller job or project is finished, and the trash should not be left to accumulate as work progresses.
No, trash should be organized and picked up as each smaller job or project is finished. The tools, material, and equipment should be left for cleanup after all the day's projects have been completed.
Why might an employer insist that the electrical worker present a neat appearance?
A neat appearance can be a great asset to the contractor's reputation.
People understand construction work and workers and know that the appearance of the construction worker is not as important as an office worker, for example.
The customer may visit the jobsite from time to time and a neat appearance by the electrical worker(s) can mean the difference in getting more work in the future with that customer or not.
First impressions count when someone walks on the jobsite and meets you for the first time.
The apprentice is in the public relations business, what person and/or group does the apprentice represent?
Him/herself
Organized labor
The customer
Union contractors
When is it OK to leave tools and/or materials on a ladder, stairway, or in a passageway?
As necessary.
It is never OK to leave tools and/or materials on a ladder, stairway, or in a passageway.
It is never OK to leave tools or materials on a ladder, but it is OK to leave materials and tools in a stairway or in a passageway as needed.
Only when the ladder, stairway, or passageway is not in use.
Material should be stacked so the weight is evenly distributed.
True
False
Rings and jewelry worn on the job are _____ to an electrician.
a hazard
not a hazard
What should be done with a ladder when it is not in use?
It should be laid down or lashed where it cannot fall or be blown over.
It should be removed from the jobsite at the end of each day.
It should be stood up and placed in a stairwell where there is less traffic.
It should be stood up in a passageway so no one will trip over it.
What are some of the things that can be done to make cutting and threading conduit a neater job?
Use a container for the scraps.
Use pre-threaded conduit
Use a sandbox or mat to catch oil drippings.
Use two people to do the job safely.
An apprentice should only pick up and clean when told.
True
False
All tools should be left out until quitting time in case they are needed.
True
False
The tools a contractor puts on a job represent a sizable investment.
True
False
Good housekeeping requires continuous attention.
True
False
Two causes of accidents can best be described as _____.
human error / unsafe acts
human error / unsafe conditions
unsafe acts / unsafe conditions
unsafe equipment / human error
Which of the following is an unsafe condition that might be found with ladders?
Not opening a step ladder fully
Failure to secure ladder at top or bottom
Overextended ladders
Placing an extension ladder at too great or too small an angle
Which of the following is an unsafe act that might be found with ladders?
Broken rungs
Cracked rails
Overextended ladders
Overreaching from a ladder
Which of the following is an unsafe condition that might be found with ladders?
Carrying too heavy a load up a ladder
Metal ladders
Placing ladder unsafely, such as on equipment, near moving equipment, on planking over openings, on an incline, or on irregular surfaces
Working off the top rung or top two steps of a ladder
Which of the following is an unsafe act that might be found with ladders?
Carrying too heavy a load up a ladder
Improper material in a ladder
Metal ladders
Slippery rungs
What is the maximum recommended length for a single ladder?
20 feet
25 feet
30 feet
55 feet
What is the maximum recommended length for a step ladder?
20 feet
25 feet
30 feet
55 feet
What is the maximum recommended length for an extended extension ladder?
20 feet
25 feet
30 feet
55 feet
How should a ladder be carried?
Carry any ladder with a minimum of two people.
Carry the ladder by holding the upper side rail in one hand, and stabilize the ladder with the other hand.
Carry the ladder by placing the upper side rail on the shoulder and the bottom rail resting against the body.
Use a ladder dolly or truck.
What is the proper way to ascend and descend a ladder?
You face the ladder
Your back is to the ladder
What precautions are necessary when placing a ladder against a building on a sidewalk?
Barricade the area or position a worker in front of the ladder.
Only use scaffolding when working where pedestrians might be walking.
Shut down the sidewalk in front of the building and direct pedestrians to the other side of the street.
There are no special precautions necessary.
When considering safety related to ladders, which safety rule should prevail?
The rule that most nearly affects the highest standard of safety should prevail.
The rule that most nearly affects the minimum allowable standard of safety should prevail.
The rule was established by the foreman of the job should prevail.
All of the above
Extension ladders should have at least ____ overlap between sections when extended.
1'
2'
3'
4'
A ladder top should extend at least ____ above the roof edge of a building when used as access to the roof of a building.
12"
24"
30"
36"
When someone is working on a ladder, it should, whenever possible, be secured at the top.
True
False
Whose responsibility is it to constantly evaluate the safety of the worksite situation?
It is the responsibility of each apprentice on the job.
It is the responsibility of each foreman on the job.
It is the responsibility of each Journeyman on the job.
It is the responsibility of each worker on the job.
It is okay to carry at least one tool in your hands when climbing a ladder.
True
False
A step ladder should be fully opened out and ______ into position before climbing it.
leaned
locked
moved
tied
Overreaching from a ladder is considered an unsafe ______.
act
condition
Do not stand on the top _____ step(s) of a step ladder.
one
two
three
What is the correct distance that the base of an extension ladder should be set from a 40-foot wall against which it is leaning?
6'
7.5'
8'
10'
What is the correct distance from a 20-foot vertical wall that an extension ladder should be placed?
2'
3'
4'
5'
Ladders made of _____ should never be used while working on or near energized conductors.
fiberglass
metal
wood
Ladders should be painted to preserve them.
True
False
Step ladders and extension ladders are interchangeable for use.
True
False
Straddling a space between a ladder and an object makes for safer working conditions.
True
False
Electricity has long been recognized as a serious workplace hazard, exposing employees to electric shock, electrocution, burns, fires, and explosions.
True
False
A common but perhaps overlooked conductor is the surface or subsurface of the _____.
building foundation
building steel
Earth
grounding electrode conductor
Dry skin has a fairly high _____ to electric current. But when skin is moist or wet, it acts as a conductor.
capacitance
conductance
inductance
resistance
Check all of the factors that determines the severity of an electric shock.
The amount of current flowing through the body
The current's path through the body
The length of time the body remains in the circuit
The current's frequency
Slight shock felt; not painful but disturbing. The average individual can let go. Strong involuntary reactions can lead to other injuries. These reactions best describe a current of ____.
5 mA
5 MA
1 mA
1 MA
Extreme pain, respiratory arrest, severe muscular contractions. Death is possible. These reactions best describe a current from _____ to 150 milliamperes.
10
30
40
50
100
Burns are the most common shock-related injury.
True
False
When a person receives an electrical shock, sometimes the ______ from that electrical shock causes the muscles to contract. This "freezing" effect makes the person unable to pull free of the circuit.
heat
resistance
stimulation
voltage
In addition to muscle contractions that cause “freezing,” electrical shocks also can cause _____ muscle reactions. These reactions can result in a wide range of other injuries from collisions or falls, including bruises, bone fractures, and even death.
controlled
involuntary
voluntary
weak
A severe shock can cause considerably more damage than meets the eye. A victim may suffer internal hemorrhages and the destruction of tissues, nerves, and muscles that are not readily visible.
True
False
Most electrical accidents result from
unsafe environment
unsafe equipment or installation
unsafe work practices
Grounding is normally a _____ protective measure to protect against electric shock. It does not guarantee that you won’t get a shock or be injured or killed by an electrical current.
first
preliminary
primary
secondary
Fuses and circuit breakers are designed to protect ______.
conductors
equipment
people
_____ are devices that interrupt the flow of electricity within as little as 1/40 of a second to prevent electrocution.
AFCI
GFCI
Fuses
Circuit breakers
A properly installed _____ has a low resistance to ground and greatly reduces the amount of current that passes through your body.
conductor
fuse
grounding conductor
ground-fault circuit interrupter
What are the two outcomes to an electric shock?
I. The victim dies from the shock
II. The victim has a greater likelihood of getting radiation poisoning
III. The victim may experience heart issues for up to one month
IV. The victim survives and has some discomfort for a short duration
I. & II.
II. & III.
I. & IV.
III. & IV.
Occupational Safety & Health Administration (OSHA) places the threshold voltage of electric shock at _______.
25 V
50 V
75 V
100 V
The apprentice and the _______ are both responsible for being up to date on the regulations as they apply to current safety practices.
employer
JATC
local union
training director
To ensure adequate protection, a(n) __________ must be calculated on the basis of the amount of current present if a short circuit occurs, the time the arc is allowed to burn, and the distance the worker is from the arc.
distribution equipment evaluation
electrical shock boundary
flash hazard analysis
selective coordination study
Which National Fire Protection Association (NFPA) document covers safe working practices for electrical work?
NFPA 70E
NFPA 70
NFPA 90
NFPA 90E
Which of the following are categories for shock protection approach boundaries to energized conductors or circuit parts?
I. Approved approach
II. Limited approach
III. Nominal approach
IV. Restricted approach
I., II., & III.
I., II., & IV.
II. & III.
II. & IV.
Temperatures as high as _______ Fahrenheit can occur during an arc flash or arc blast.
25,000°
35,000°
50,000°
75,000°
The extreme heat and light which can occur while working on live parts is known as the ______.
arc flash
radiant temperature
shock blast
none of the above
The purpose of a fuse or circuit breaker is to protect the premise from fire caused by overheating wiring or from ignition due to a(n) _______ circuit.
closed
open
short
unrated
