1. To
relieve the strain from the terminals of pendants, lamp holders and ceiling
roses ………….are
used.
(A)
Cord grip
(B)
Underwriter’s knot
(C)
Both a & b
(D)
None of these
Answer-
(C) Both a & b
2. Cord
grip and under writer’s knot are used in………….
(A)
Lamp holder’s
terminals
(B)
Ceiling roses
(C)
Terminals of pendants
(D) All
of these
3. In………….the phase or line
conductor shall be looped at
the
switch box and neutral conductors at the point outlets
(A)
Looping back method
(B)
Looping in method using 2 plate ceiling roses and switches
(C)
Looping in method using 2 plate ceiling roses and switches
(D)
Joint box method
Answer-
(A) Looping back method
4. In the………….method, wherever tapping must be taken
from cable, joints are made
(A)
Looping back method
(B)
Looping in method using 2 plate ceiling roses and switches
(C)
Looping in method using 2 plate ceiling roses and switches
(D)
Joint box method
Answer-
(D) Joint box method
5. …………. cables are used suitable
to run on teak wood battens
(A) TRS
(B)
Tough Rubber Sheathed
(C) PVC
sheathed
(D) All
of these
Answer-
(D) All of these
6. ………….wiring is used to draw
TRS cables on Teak wood
(A)
Cleat
(B)
Batten
(C) PVC
(D) All
of these
Answer-
(B) Batten
7. The
intervals between wood plugs in batten wiring should at intervals not exceeding………….cm
(A) 60
(B) 65
(C) 70
(D) 75
Answer-
(D) 75
8. ………….are used for firmly
clipping the cables in position during batten wiring
(A)
Knot
(B)
Clamps
(C)
Link cables
(D)
Cable tags
Answer-
(C) Link cables
9. Link
clips are packed in card board boxes at the rate of ………….link clips per box
(A) 200
(B) 300
(C) 100
(D) 500
Answer-
(C) 100
10. The
load on the light and fan sub circuits should be restricted to………
(A) 600
watts
(B) 800
watts
(C) 700
watts
(D)
1000 watts
Answer-
(B) 800 watts
11. Which
amongst the following is not a Nominal size of conduit in mm
(A) 20
(B) 25
(C) 38
(D) 50
Answer-
(D) 50
12. For
surface wiring system, however work should begin before final finishing work
like …………….
(A)
White washing
(B)
after plating
(C)
after painting
(D)
after ignoration
Answer-
(A) White washing
13. PVC
conduits are available on …………. m length
(A) 2
(B) 4
(C) 3
(D) 5
Answer-
(C) 3
14. ………….conduits are used for
protecting cable ends connected to a vibrating machine inter connection between
switch gear and distribution boards
(A)
Rigid steel conduits
(B)
Rigid non-metallic conduits
(C)
Flexible conduits
(D) TRS
wiring
Answer-
(C) Flexible conduits
15. ………….conduit wiring system
done on wall surfaces
(A)
Surface
(B)
Concealed
(C)
Recessed
(D) All
the above
Answer-
(A) Surface
16. ………….conduit wiring system
done inside the concrete plaster or wall
(A)
Surface
(B)
Concealed
(C)
Recessed
(D)
Both b & C
Answer-
(A) Surface
17.
Selection of the type of conduit depends upon the………….
(A)
Type of location, outdoor or indoor
(B)
Type of atmosphere and estimated cost
(C)
Expected working temperature & allowable weight of conduit runs
(D) All
the above
Answer-
(D) All the above
18. ………….are used where the
conduits shall be pushed right through to the interior of the fittings
(A)
Couplers
(B)
Elbow
(C)
Bends
(D)
Tees
Answer-
(A) Couplers
19. ………….types couplers are used
in straight conduit runs to assit in the inspection of the cables
(A)
Couplers
(B)
Elbow
(C)
Bends
(D)
Tees
Answer-
(A) Couplers
20. …………. are used at sharp ends
of nearby walls or roofs and wall
(A)
Couplers
(B)
Elbow
(C)
Bends
(D) Tees
Answer- (B) Elbow
||Electrical Wiring Multiple Choice Questions And Answers||
||Electrical Wiring Multiple Choice Questions And Answers||
