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EWRB (Electrical Engineering) WIRING FINAL EXAM QUESTIONS AND ANSWERS.
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EWRB (Electrical Engineering) WIRING FINAL EXAM QUESTIONS AND ANSWERS.
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EWRB (Electrical Engineering) WIRING FINALEXAM QUESTIONS AND ANSWERS.
The minimum length and diameter of the rod needed for grounding at the
main service entrance:
a. 4 ft * ½" copper
b. 6 ft * ¾" copper
c. 8 ft * ½" copper
d. 8.5 ft * ½" copper
Verified Answer -d. 8.5 ft * ½" copper
I noted two transformed on the power poles leading into your farm. This
means you must have:
a. Single Phase power only
b. Three phase power Delta
c. Three phase power Wye
d. Three phase power Open Delta
Verified Answer -d. Three phase power Open Delta
An additional wire is NOT needed to provide a grounded conductor when
using ______ in your farm shop:
a. PVC tubing
b. EMT tubing
c. Black pipe
d. Other (write in): ___________________
Verified Answer -b. EMT tubing
, When wiring in a livestock facility, UF cable should be secured
horizontally by what distance interval?
a. 5 ft
b. 2 ft
c. 3 ft
d. 6 ft
Verified Answer -b. 2 ft
If you are attaching cable to the face of a joist (on a ceiling) what number
UF cable should be used?
a. #14
b. #12
c. #10
d. #8
e. None of the above
Verified Answer -d. #8
What type of motor almost requires a magnetic motor starter?
a. 1 hp
b. 1.5 hp
c. 2.5 hp
d. This is not needed.
Verified Answer -c. 2.5 hp
How do solar panels collect energy?
a. From water
b. From wind
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