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
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||Electrical Wiring Multiple Choice Questions And Answers||