1. …………. gives a diversion of 90
degree in the turn of a conduit
(A)
Couplers
(B)
Elbow
(C)
Bends
(D)
Tees
Answer-
(C) Bends
2. ………….are used to take
diversion from the main line either to the switch
points at light points.
(A)
Couplers
(B)
Elbow
(C)
Bends
(D)
Tees
3.
Small circular boxes shall be provided with two machine screws of a diameter
not less than …………. mm
for fixing the covers
(A) 4
(B) 8
(C) 0
(D) 9
Answer-
(B) 8
4.
Large circular boxes shall be provided with two machine screws of a diameter
not less than …………. mm
for fixing the covers
(A) 4
(B) 8
(C) 0
(D) 9
Answer-
(C) 0
5. The
most common joining conduits with fitting uses ………….
(A) Gum
(B)
Hacksaw frame
(C)
Solvent adhesive
(D) All
the above
Answer-
(C) Solvent adhesive
6. PVC
conduits not exceeding ………….mm diameter can be bent cold by
using a spring
(A) 50
(B) 30
(C) 25
(D) 45
Answer-
(C) 25
7. Cold
bending could be done using a ………….
(A)
Spring
(B)
Hack saw frame
(C)
Hand
(D)
Knee
Answer-
(A) Spring
8.
Factors to select the correct size of conduit depends on………….
(A)
Size of cables
(B)
Number of cables to be drawn
(C)
Both a & b
(D)
None of these
Answer-
(C) Both A & B
9. When
(B)5 sq. mm 640 V grade single core cables of six numbers are to be drawn
in a single run, we can use ………….non-metallic conduit
(A) 25
(B) 30
(C) 40
(D) 50
Answer-
(A) 25
10. ………….can be inserted inside
the conduit to pull the cables
through
the conduits
(A) GI
(B)
Draw wire
(C)
Both A & B
(D)
None of these
Answer-
(C) Both A & B
11.
Rigid PVC conduits are not suitable for use where the normal working temperature
of the conduits and fittings may exceed ……degree C
(A) 60
(B) 70
(C) 65
(D) 55
Answer-
(D) 55
12. …………. wiring is a system of
wiring in which PVC channels
with covers are used for drawing wires
(A)
Cleat
(B)
Batten
(C) PVC
(D)
Channel
Answer-
(D) Channel
13. The
number of socket outlets of 5A in bedroom are ………….
(A) 2
to 3
(B) 1
(C) 4
(D) 5
Answer-
(A) 2 to 3
14. How
many 15 A socket outlets are needed in kitchen
(A) 1
(B) 2
(C) 3
(D) 4
Answer-
(B) 2
15. 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
16.
Each circuit shall be provided with a ....in the phase wire and the
neutral conductor shall be connected to a common link with disconnecting
arrangement for testing.
(A)
Fuse
(B)
Socket
(C)
Switch
(D) All
the above
Answer-
(A) Fuse
17. 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
18.
Incandescent lamps have …………. rating
(A) 60
watts
(B) 100
watts
(C) 25
watts
(D) 90
watts
Answer-
(A) 60 watts
19. If
we have 2 5A sockets of 100 watts each then the load in light circuit is
………….
(A) 200
(B) 60
(C)
1000
(D) 500
Answer-
(A) 200
20.
Load in light circuit of 2, 5A (100 watt) 1 Lamp (60 watt ) and 1 ceiling fan(60 watt)
is ………….W
(A) 240
(B) 530
(C) 320
(D) 400
Answer-
(C) 320
||Electrical Wiring Multiple Choice Questions And Answers||
