NCCER Test Practice Questions and Answers 100% Correct Answers

NCCER Test Practice Questions and
Answers 100% Correct Answers
Ropebanding - CORRECT ANSWER-In a guardrail system, the guardrails can be made
of any of the following EXCEPT:
a) pipe
b) chain
c) ropebanding
d) cable

9..6 ohms - CORRECT ANSWER-If the potential across the circuit is 48 volts and the
current is 5 amps the resistance of the circuit is:
a) 4.8 ohms
b) 9.6 ohms
c) 48.0 ohms
d) 96.0 ohms

8' - CORRECT ANSWER-A UL listed rod type grounding electrode must have a
MINIMUM length of:
a) 6'
b) 8'
c) 10'
d) 20'

3 - CORRECT ANSWER-What is the MINIMUM number of overload sensing units
required for all three phase motors?
a) 0
b) 1
c) 2
d) 3

90-degrees - CORRECT ANSWER-In a circuit of pure capacitance, the current leads
the voltage by an angle of:
a) 30-degrees
b) 45-degrees
c) 90-degrees
d) 180-degrees

Circular mil - CORRECT ANSWER-The standard unit for measuring the cross-sectional
area of wire is the:
a) circular mil
b) square mil
c) round mil