Know More About Electrical Quiz
9 Questions
| Total Attempts: 641
Electrical
Questions and Answers
- 1.Any channel designed to enclose and loosely hold electric conductors; may be of metal or of an insulating material; various types include rigid conduit, flexible metallic conduit, nonmetallic conduit, metallic tubing, under-floor raceways, cellular floor raceways, surface metal raceways, structural raceways, wireways and busways, and auxiliary gutters or moldings.
- A.
Race way
- B.
Wire track
- C.
Wire tubing
- D.
Race track
- 2.1. Electrical term “raceway” applied to:
- A.
A. a channel system in carrying
- B.
B. where electric cars pass
- C.
C. conductor of heavy load energy
- D.
D. a grouping of transformer
- 3.1. To bring up voltage, we use:
- A.
A. step-down transformer
- B.
B. voltage booster
- C.
C. step-two transformer
- D.
D. step-up transformer
- 4.1. To bring down voltage, we use:
- A.
A. step-down transformer
- B.
B. voltage booster
- C.
C. step-two transformer
- D.
D. step-up transformer
- 5.1. The electric power unit expressed in thousand unit is called
- A.
A. kips
- B.
B. megawatt
- C.
C. kilowatt
- D.
D. kilohertz
- 6.It is a switch in which a lever or knob, moving through a small arc, causes the contacts to open or close an electric circuit
- A.
Float switch
- B.
Knife switch
- C.
Toggle switch
- D.
Mercury switch
- 7.A rubber or plastic washer inserted in a hole in a metal part to prevent grounding of a wire passing through the hole
- A.
Insulator
- B.
Bushing
- C.
Shield
- D.
Grommet
- 8.It is a switch in which a hinge copper blade is placed between 2 contact plates
- A.
Float switch
- B.
Knife switch
- C.
Toggle switch
- D.
Mercury switch
- 9.What type of building wire has a trade name of Moisture and Heat Resistant Thermoplastic used for dry and wet locations
- A.
TW
- B.
MTW
- C.
THHN
- D.
THW
Questions: 25 | Attempts: 11540 | Last updated: Dec 29, 2020
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