
NCCER PRACTICE EXAM PT 2
Authored by Kevon Kirton
Physics
12th Grade
NGSS covered
Used 15+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not one of the Focus Four on a construction site?
Chemical burns
Electric shock
Being crushed or struck by falling or flying objects
Falls
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A shock of 5 mA can cause injury through ______.
electrical burns
involuntary movement
suffocation
respiratory arrest
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a person’s heart begins to fibrillate due to an electrical 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
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Low-voltage conductors ______.
are unlikely to cause injury if rubber-soled shoes are worn
are responsible for most electrocution deaths due to the frequency of contact
are not powerful enough to cause death from electrocution
must exceed 480V to cause death
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A machine guard is a type of ______.
hazard elimination
engineering control
administrative control
hazard substitution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The least effective method of preventing risk is through the use of ______.
elimination
engineering controls
PPE
substitution
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The type of hard hat that can withstand a voltage of 20,000VAC for three minutes is a ______.
Class A
Class G
Class C
Class E
Tags
NGSS.HS-PS2-5
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