Know More About Electrical Quiz

9 Questions | By C2x_op26 | Last updated: Mar 20, 2022 | Total Attempts: 753

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Electrical

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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