NCCER TEST PRACTICE QUESTIONS AND ANSWERS

NCCER TEST PRACTICE QUESTIONS
AND ANSWERS

Ropebandingcx-cxanswer--
Incxacxguardrailcxsystem,cxthecxguardrailscxcancxbecxmadecxofcxanycxofcxthecxfollowingcxEXC
EPT:
a)cxpipe
b)cxchain
c)cxropebanding
d)cxcable

9..6cxohmscx-cxanswer--
Ifcxthecxpotentialcxacrosscxthecxcircuitcxiscx48cxvoltscxandcxthecxcurrentcxiscx5cxampscxthecxresi
stancecxofcxthecxcircuitcxis:
a)cx4.8cxohms
b)cx9.6cxohms
c)cx48.0cxohms
d)cx96.0cxohms

8'cx-cxanswer--
AcxULcxlistedcxrodcxtypecxgroundingcxelectrodecxmustcxhavecxacxMINIMUMcxlengthcxof:
a)cx6'
b)cx8'
c)cx10'
d)cx20'

3cx-cxanswer--
WhatcxiscxthecxMINIMUMcxnumbercxofcxoverloadcxsensingcxunitscxrequiredcxforcxallcxthreecx
phasecxmotors?
a)cx0
b)cx1
c)cx2
d)cx3

90-degreescx-cxanswer--
Incxacxcircuitcxofcxpurecxcapacitance,cxthecxcurrentcxleadscxthecxvoltagecxbycxancxanglecxof:
a)cx30-degrees
b)cx45-degrees
c)cx90-degrees
d)cx180-degrees

Circularcxmilcx-cxanswer--Thecxstandardcxunitcxforcxmeasuringcxthecxcross-
sectionalcxareacxofcxwirecxiscxthe:
a)cxcircularcxmil
b)cxsquarecxmil