WorksheetsElectrical Technology NCCER (11th Edition) Module 2 Review
Total questions: 18
Worksheet time: 6mins
Which of the following is not one of the Focus Four on a construction site?
Falls
Electric shock
Being crushed or struck by falling or flying objects
Chemical burns
Low-voltage conductors _____ .
are not powerful enough to cause death from electrocution
must exceed 480V to cause death
are responsible for most electrocution deaths due to the frequency of contact
are unlikely to cause injury if rubber-soled shoes are worn
A shock of 5mA can cause injury through _________.
respiratory arrest
suffocation
involuntary movement
electrical burns
If a person's heart begins to fibrillate due to an electric shock, the solution is to _______ .
leave the person alone until the fibrillation stops
have a qualified person use a defibrillator
immerse the person in ice water
use the Heimlich maneuver
A machine guard is a type of ________.
hazard elimination
engineering control
hazard substitution
administrative control
A work permit is a type of ________.
hazard elimination
engineering control
hazard substitution
administrative control
The least effective method of preventing risk is through the use of _________.
elimination
substitution
engineering controls
PPE
The type of hard hat that can withstand a voltage of 20,000VAC for three minutes is a _________.
Class A
Class C
Class E
Class G
Class 0 rubber gloves are used when working with voltages less than ________.
500VAC
1,000VAC
5,000VAC
7,500VAC
An important use of a hot stick is to _____ .
replace busbars
test for insulation
replace fuses
test for continuity
Which of these statements correctly describes a double-insulated power tool?
There is twice as much insulation on the power cord.
It can be safely used in place of a grounded tool.
It is made entirely of plastic or other non-conducting material.
The entire tool is covered in rubber.
Which of the following applies in a LOTO procedure?
Only the supervisor can install lockout/tagout devices.
If several employees are involved, the lockout/tagout equipment is applied only by the first employee to arrive at the disconnect.
Lockout/tagout devices applied by one employee can be removed by another employee as long as it can be verified the first employee has left for the day.
Lockout/tagout devices are installed by every authorized employee involved in the work
The NEC covers the _____ .
minimum installation requirements for electrical equipment
manufacturing specifications for electrical equipment
workplace hazards associated with electrical equipment
operating instructions for electrical equipment
What is the proper distance from the feet of a straight ladder to the wall?
one-fourth the working height of the ladder
one-half the height of the ladder
a distance equal to the height of the first three rungs
one-fourth of the square root of the height of the ladder
What are the minimum and maximum distances (in inches) that a scaffold plank can extend beyond its end support?
4; 8
6; 10
6; 12
8; 12
What happens to the permits used to enter a confined space?
They are reviewed at the end of each shift and discarded at the completion of the job.
They are recorded in the job journal at the end of each shift and retained for a year.
They are recorded in the job journal at the end of each shift and submitted to OSHA.
They are reviewed at the end of each shift and retained for three months.
The best way to protect yourself from solvent hazards is to _____ .
always wear vinyl gloves and a paper filter mask
ask a co-worker for instructions
ask the supplier
read and follow all of the instructions on the product's SDS
It is safe to assume that asbestos may be found in any facility constructed before _____ .
1980
1985
1990
1995
