Jun 5, 2019

Wiring Multiple Choice Questions And Answers In English -01


1. The thickness of a wire conductive copper part is identified in ...............................

(A) Wire gauge
(B) Micrometer
(C) Scale
(D) All the above
Answer- (D) All the above

2. The type of wiring depends on ............................

(A) Location and consumers budget
(B) Durability and cost
(C) Safety and appearance
(D) All of the above 
Answer-(D) All of the above 

3. The types of internal wiring used in domestic installations are ..........................
(A) Cleat wiring
(B) CTS / RTS wiring
(C) Metal / PVC conduit wiring
(D) All the above
Answer-(D) All the above

4. .................. type of wiring uses insulated cables supported in porcelain

cleats
(A) Cleat 
(B) CTS/RTS
(C) Metal
(D) PVC conduit or PVC capping
Answer-(A) Cleat

5. ......................................wiring is recommended only for temporary installations

(A) Cleat 
(B) CTS/RTS
(C) Metal
(D) PVC conduit or PVC capping
Answer-(A) Cleat

6. ........................... half of cleat pair is grooved to receive the wire

(A) Top
(B) Middle
(C) Bottom 
(D) All of these
Answer-(C) Bottom


7. ...................... half of the cleat pair is used to hold cable grip
(A) Top
(B) Middle
(C) Bottom
(D) All of these
Answer-(A) Top

8. ...........................wiring is the cheapest among all types of internal wiring used for domestic installations
(A) Cleat
(B) CTS/RTS
(C) Metal
(D) PVC conduit or PVC capping
 Answer-(A) Cleat

9. In cleat wiring. cleats shall be fixed at distances not greater than.................. cm apart and at regular intervals
(A) 50
(B) 60
(C) 65
(D) 70
 Answer-(B) 60

10. Where cleated conductors cross each other, they shall be separated by an...........................which will rigidly maintain a distance.
(A) Wooden batten
(B) Insulated bridging piece 
(C) Clamps
(D) All the above
 Answer-(B) Insulated bridging piece

11. Cleat wiring should be always above.................... from the floor level
(A) 5 m 
(B) 2 m
(C) 3 m
(D) 8 m
 Answer-(C) 3 m


12. A bedroom may require one lamp at the dressing table controlled by a switch, and one lamp just above the bed which may require dual control by ……………………………….
(A) 3 One way switch
(B) 1 Two-way switch
(C) 2- Two way switches
(D) 3 Two way switches
Answer- (C) 2- Two way switches

13.……………………………….switches may be used to provide bright or dim lights in the same circuit through a series or parallel connections found commonly in corridors and bedrooms of hostels, hospitals, railway compartments.
(A) One way centre OFF switch
(B) Two-way switch centre OFF switch
(C) Both a and B
(D) None of these
Answer- (B) Two-way switch centre OFF switch

14.……………………. switch is incorporated in a circuit to keep the lamps in the OFF position irrespective of the position of the individual switches
(A) One way centre OFF
(B) Master OFF
(C) Two- way centre off switch
(D) None of these
Answer- (B)Master OFF

15………………… is constructed from a length of flat thin sheet steel which is manufactured to form a tube?
(A) Heavy gauge screwed conduit
(B) Light gauge conduit
(C) Both a & b
(D) None of these
Answer- (B) Light gauge conduit

16. Which is the most type of wirings used in domestic applications?
(A) Conduit wiring
(B) Cleat wiring
(C) Batten wiring
(D) None of these
Answer- (A) Conduit wiring

17. When cables are drawn through the conduit and terminated at the outlet or
switch points, the system of wiring is called …………………..
(A)Conduit wiring
(B)Cleat wiring
(C)Batten wiring
(D)None of these
Answer- (A) Conduit wiring

18. Which is not a type of conduit wiring?
(A)Rigid steel conduits
(B)Rigid non-metallic conduits
(C)Flexible conduits
(D)TRS wiring
Answer- (D) TRS wiring

19. Which type of conduit wiring is used for gas tight explosive proof installation?
(A)Heavy gauge screwed conduit
(B)Light gauge conduit
(C)Both a & b
(D)None of these
Answer- (A) Heavy gauge screwed conduit

20. ……………………. conduit is the one commonly used in modern domestic commercial and industrial wirings?
(A)Seam welded conduit
(B)Heavy gauge screwed conduit
(C)Light gauge conduit
(D)Both a & b
Answer- (A) Seam welded conduit
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