NCCER Electrical Module 2 Level 2 exam
2024 with correct answers
•
Double insulated/underground tools - CORRECT ANSWER electrical tools
that are constructed so that the case is insulated from electrical
energy. The case is made of a nonconductive material
Fibrillation - CORRECT ANSWER very rapid irregular contractions of the
muscle fibers of the heart that result in the heartbeat and pulse going
out of rhythm with each other
under strict safety guidelines, which of the following should be used to
discharge capacitors before working on de-energized circuits. - CORRECT
ANSWER safety shorting probe
for safety, assume that any facility constructed before 1980 has? -
CORRECT ANSWER asbestos
with of the following is the threshold at which a power source is
considered high voltage in the context of safety? - CORRECT ANSWER
over 600V- 600Volts
insulated gloves must be inspected by the user? - CORRECT ANSWER
always and field checked
the normal beating of a heart can be upset by an electrical current as
small as? - CORRECT ANSWER 75mA
which factor determins the outcome of an electrical shock? - CORRECT
ANSWER amount of current measured in AMPERES
, a live-dead-live test is conducted in order to? - CORRECT ANSWER verify
the circuit is de-energized
you are required to be evaluated by a physician to ensure that you are
physically fit to use which of the following types of protective
equipment? - CORRECT ANSWER Respirators
which of the following battery byproducts can be explosive when
mixed with air? - CORRECT ANSWER Hydrogen GAS
the OSHA lockout-tagout rule protects workers from? - CORRECT ANSWER
potential exposure to hazardous energy sources
which of the following should have side rails that extend 36in (3Ft)
above the top support point? - CORRECT ANSWER ladders
what must happen before any work may be performed in a confined
space? - CORRECT ANSWER a hazard review
NFPA 70E provides practical guidance in? - CORRECT ANSWER Hazzard
assesment
OSHA CFR 1910 is the standard for? - CORRECT ANSWER general industry
when a guardrail cannot be attached to a building a solution may be to
install a? - CORRECT ANSWER controlled access zone
where insulating protective equipment may be damaged, it? - CORRECT
ANSWER may not be used
Any exposed live parts must be guarded if they are operating at -
CORRECT ANSWER 50V or more between terminals
Which of the following are most likely to use dynamic braking? -
CORRECT ANSWER Forklifts
In a DC series motor, how much of its full-load torque is developed at
starting? - CORRECT ANSWER 500%
2024 with correct answers
•
Double insulated/underground tools - CORRECT ANSWER electrical tools
that are constructed so that the case is insulated from electrical
energy. The case is made of a nonconductive material
Fibrillation - CORRECT ANSWER very rapid irregular contractions of the
muscle fibers of the heart that result in the heartbeat and pulse going
out of rhythm with each other
under strict safety guidelines, which of the following should be used to
discharge capacitors before working on de-energized circuits. - CORRECT
ANSWER safety shorting probe
for safety, assume that any facility constructed before 1980 has? -
CORRECT ANSWER asbestos
with of the following is the threshold at which a power source is
considered high voltage in the context of safety? - CORRECT ANSWER
over 600V- 600Volts
insulated gloves must be inspected by the user? - CORRECT ANSWER
always and field checked
the normal beating of a heart can be upset by an electrical current as
small as? - CORRECT ANSWER 75mA
which factor determins the outcome of an electrical shock? - CORRECT
ANSWER amount of current measured in AMPERES
, a live-dead-live test is conducted in order to? - CORRECT ANSWER verify
the circuit is de-energized
you are required to be evaluated by a physician to ensure that you are
physically fit to use which of the following types of protective
equipment? - CORRECT ANSWER Respirators
which of the following battery byproducts can be explosive when
mixed with air? - CORRECT ANSWER Hydrogen GAS
the OSHA lockout-tagout rule protects workers from? - CORRECT ANSWER
potential exposure to hazardous energy sources
which of the following should have side rails that extend 36in (3Ft)
above the top support point? - CORRECT ANSWER ladders
what must happen before any work may be performed in a confined
space? - CORRECT ANSWER a hazard review
NFPA 70E provides practical guidance in? - CORRECT ANSWER Hazzard
assesment
OSHA CFR 1910 is the standard for? - CORRECT ANSWER general industry
when a guardrail cannot be attached to a building a solution may be to
install a? - CORRECT ANSWER controlled access zone
where insulating protective equipment may be damaged, it? - CORRECT
ANSWER may not be used
Any exposed live parts must be guarded if they are operating at -
CORRECT ANSWER 50V or more between terminals
Which of the following are most likely to use dynamic braking? -
CORRECT ANSWER Forklifts
In a DC series motor, how much of its full-load torque is developed at
starting? - CORRECT ANSWER 500%
