>
(ல Higher than (I pipe (B} Lower than CI pipe

(0 Lower than AC pipe (D) Lower than SWG pipe

81. Cupper pipe can easily bend but :
(ക can'teut (8) do not sag

(0 ‏اص‎ reduce (D) ean't joint

32. 58 solder capillary joints are used for :
(A) CIPipe joint ॥ Copper pipes joint
(C) AC pipes joint (D) Led pipes joint
83. PVC pipe can rosist : 3 :
(A) High external load (B) Most inorganic chemicals
(C) High temperature (D) Extr.... See more

or earthing in a small
residential installation?

۵ 6 (೫) 6810

(©) 6 (D) 14SWG
One kwh is equal 10 :

(A) 860 keal (B) 800 keal

(C) 746 keal (D) 736 keal

Resistance of a wire is 5002. If the length of that wire is doubled, keeping the volume same,
what will be the new resistance?

(5) 25 9 ೫ 50 ‏ہ‎
‎(0 100 2 (D) 200೧

The ripple frequency of the output wave form of bridge rectifier with a 60 Hz sine ५५�.... See more

47.

48.

49.

50.

51.

52.

53,

54.

SWG gauge number increases ಜಸ thickness of sheet will be :

(ക) No change (8) Decrease (C) Increase

These are used for making holes in a wood :

(ക) Making gauge (B) Awl (09) Cutting gauge

Scraf joint is under :
{A) Widening joint (8) Framing joint

(9) Lengthening joint (D) Dowel joint

Drawing, large circles on the wood, which too.... See more

pecific heat
(0) Latent heat (D) B.tu

Specify the thickness of a sheet metal having 18 SWG (Standard Wire Gauge) :
കു 108 ൯ 1.68
{0 101 छ) 1.22

169/2016 10 A

.... See more

76.

71.

78.

19:

80.

81,

82.

88.

84.

Soft solder is an alloy லீ:
(A) Lead and zinc
(C) Copper and zinc

൫) Lead and tin
(D) Zinc and tin

Thickness of the sheet is measured with the help 018:

{A) Steel rule
(C) Standard wire gauge

12 Swg sheet will be having a thickness of :

(ക 1.257 mm
(0) 12 ‏سد‎

Any type of metal sheet.... See more

nt motor

(0) Long shunt compound motor (D) Short shunt compound motor

What is the SWG of copper earth conductor if the maximum circuit current is 15?
മു No.14 ೫ No.10
000 (D) No.8

What is the effect of single phasing in three phase induction motor?
வ) Motor will not run (B) Burnt.due to overheating.

(©) No change in running (D) Will make humming noise

What will happen to the universal motor when it is started without load?
‏.... See more

75. While using GI wire as earth continuity conductor the minimum Gauge is :
(ക) 10SWG (8) 8510
(0 128WG D) 1480
76. The voltage not exceeding 250 V is called :
(ക) Very low voltage ൫) Medium voltage
(C) Low tension (D) Low voltage
77. While erecting a pole to the ground the minimum depth kept bellow the ground level is :
(ക) 1/6* part of the pole (B) 1/5% part of the pole
(C) 1/4%part of the pole (D) 1/7* part of the pole
78. In a Gyser which material.... See more

��ര്‍ത്ത്‌ കണ്ടക്ടറിന്റെ അളവ്‌ :

(^) 14SWG (B) 8SWG
(9 1086 (0) 12 6

എനര്‍ജി മീറ്റര്‍ ഏതു കാറ്റഗറിയില്‍ ഉള്‍പ്പെട്ടത്‌?
(4) ഇന്‍ഡിക്കേറ്റിംഗ്‌ © ഇനറഗ്രേറ്റിംഗ്‌
(൫) റിക്കാര്‍ഡിംഗ്‌ ൬) ഡിഫ്ലഷ്ടിംഗ്‌
See more

(€) Universal motor (D) . Induction motor

The size of the winding wires are specified in SWG numbers, The diameter of 36 SWG, SE

* copper wire is :

(ಯ) 0.19mm (B) 1.9mm
)© 0.019 mm M) 19mm

227/2015 86 A

.... See more

ifier in 3 phase system 18 equal to
സ്ലോ.
(^) 4 (8) 1
© 173 o 2

21. A SWG is used to measure :
(ക Diameter of the wire (B} Length of the wire

(0 Insulation of wire ൬) Cross-sectional area of a wire

ഉ. Which of the following circuit can be used as a DC transformer?

(A) SCR (7) Inverter
(0 Magnetic amplifier (D) Demodulator

23. Given a carrier frequency of 100 Khz and modulation frequency of 2Khz the frequencies
pr.... See more

ich of the following wires will have the least diameter?
(ക 6 യ) 108WG
(೧ 208WG D) 40 SWG

The rated load of an underground cable is always —————— the natural load.
(A) ೫12807 than (B) lesser than
(£) equal to (D) none of these

While laying 11 KV cables, the minimum bending radius has to be (If D = diameter of the
cable) : 3

(A) 2D ೫ 4D
(~) 60 2) 12D

Identify the present Governor of Kerala :
(^) Sheela Kaul (B).... See more

202/2014

Maximum : 100 marks

The thickness of the SWG No: 1015 :
ക) 26mm
(0) 2 णा

Maximum SWG number is :

(ಯ) 50
(@ 1⁄0

Mass/unit area for 1 mm thick steel is :

(A) 865 Kg/m?
(©) 5.3 Kg/m?

Unit of force in S.I system :
(ക Kg
© N

What is Young's modulus of elasticity?
(ക) force/area
(C) stress/strain

Unit of stress in 5.1 system :
‏۸۵ج جرف‎
.... See more

>(A} 17೮೯೮೩5೮ {B) Decrease
(C) Remain same (D) None of the above

What is the SWG of copper earth conductor ‏لز‎ the maximum circuil current is 15 A ?
(ക) No. 14 (8) No.10 (೧) No.12 (D) No.8

What is the thickness of copper plate used for earth electrode ?
(ಯ) 63 mm (B) 3mm (C) 33 mm (0) 3.15 mm

What 15 the number of poles if the speed is 3000 RPM and frequency is 50 Hz of an
alternator ?

(है) 4 (8) 2 © 6 () 8

.... See more

30,

31,

32,

33,

34,

35,

36,

37.

38,

39,

The core of the transformer is laminated to

(ಹ) Increase the magnetic flux linked with it
(8) Increase the flux leakage

(9) Reduce the power loss due to eddy current
(D) Reduce the hysteresis 1055

Haemoglobin has maximum affinity for :

@) ೦೦ © ‏رہ © ,م‎ യ ‏يتل‎
‎Heart beat is initiated by :
.... See more

�ہ اتا‎
षय
ள்‌
அ
வொன்‌ சலன. 00005
Questions.. SWGT analysis forming ‏كن ام‎
அறு formuaton
5:50 range plamning
€:Short ange plnning
0. Statagy mplementaton
வொ அவன. 00000
00/68: 712 051 ‏ععيد مقام :165 ع0‎ aunched in e year
கமல
۰
८५०
6
(1
11)

ടട
‏ہیں‎
‏اس شر ا‎
Question? 0. Ackording T BCG matri 3 bsiness .... See more

The minimum size of earth conductor used ‏طط‎ a domestic installation is
(A) 6 (3) 12SWG
(ಲ) 168%6 (D) 6

In an ac circuit 3 €2 resistor is connected in series with a 4 Q) capacitive reactance. The
impedance of the circuit is

வ 52 © ©
(0 18 യു 25൨

The speed of synchronous motor is always
(A) Less than synchronous speed (൫) Synchronous speed
(C) More than synchronous speed (D) Low speed at heavy load

The working.... See more

high current
(C) high voltage & low current

To measure the thickness of sheet
(^) SWG
(C) steel rule

Which one is example of plastic welding ?
(^) Arc welding
(0 Gas welding

08)
യ

(7)
യു

(B)
യു

(7)
യു
(7)
യു

08)
യ)

is used

®)
യ)

(7)
™

air core
powdered iron core

Metal Case Circuit Breaker
Main Control.... See more

of these

For proper earthing, the earth wire should not be of size smaller than
A) 10 SWG copper B) 8 SWG copper
C) 6 SWG copper 0) 4 SWG copper

-11-
.... See more

res are also known as:

(A) Hook-Up wire

(C) Flexible wire

The purpose of SWG is:

(A) Measure current

(C) Measure diameter of wire

A multimeter is used to measure :

(^) Resistance
(C) Voltage

An ammeter is connected in
(^) Series
(C) Series or parallel

010/2022

(

with a cir

(B) Voltage
(D) Current

(B) Multi strand wire

(D) Twisted wire

(B) Measure .... See more

) sheets over 3 mm (D) sheets over 2mm

7. Specify the thickness of a sheet metal having 24 SWG (Standard Wire Gauge) :
(^) 0.71 mm (B) 0.51 ‏سمط‎
‎(C) 0.56 ൩൩ (D) 0.61 पा

8. What is the storage volume (capacity) of gas in an oxygen cylinder?
(A) 3 ‏قد‎ (B) 5m
(C) 6m (D) 788

[.7.0.]
.... See more

� இதைவிட குறைவாக இருக்கக்கூடாது

A) 14SWG 8) 24SWG

0) கடத்தியின்‌ அளவு D) மேலே எதுவும்‌ இல்லை
பின்வருவனவற்றில்‌ எந்த வயர்‌ அதிகபட்ச குறுக்குவெட்டு பகுதியைப்‌
பெற்றது

A) 14SWG B) 22SWG ©) 9SWG 0) 30 6
.... See more

�െറുത്‌ ആയിരിക്കാന്‍ പാടില്ല?

A) 6 B) 24 SWG
©) കണ്ടകടറിന്റെ വലുപ്പത്തില്‍ D) ഇവയൊന്നുമല്ല,

. ഇവയില്‍ ഏത്‌ വയറിനാണ്‌ ഏറ്റവും കൂടിയ പരിച്ഛ്േത പ്രദേശമുള്ളത്‌ ?

A) 1450/06 B) 22 SWG 600996 ற) 30 6
.... See more

dela ) — ) meter2
meter’

Minimum size of earth conductor for 30 — 50 HP motor in SWG is
A) 5SWG B) 2SWG C) 1SWG D) 6SWG

One lamb should be controlled from 6 different places, for that how many intermediate
and two way switches are needed ?

A) 3 intermediate and 2 two way switch _B) 4 intermediate and 2 two way switch
C) 5 intermediate and 1 two way switch _D) 6 intermediate and 2 two way switch

Application of limit switch is
A) Limit .... See more

125/23

9.

10.

11.

12.

13.

14.

15.

16.

How many gauge numbers in SWG, changed to double the cross section area of the
conductor ?

A) Two gauge sizes decreased
B) Three gauge sizes decreased
C) Four gauge sizes increased
D) Five gauge sizes increased

Which metal has very good conductivity to the electric current ?
A) Gold B) Copper C) Silver D) Aluminium

Which of the foll.... See more

Correct Answer:- Option-D
Question78:-Snips are used to cut sheet metal upto
A:-12 SWG
-16 SWG
C:-20 SWG
D:-18 SWG
Correct Answer:- Option-C
Question79:-What is the advantage of funnel stake?
A:-Used to flat edges
B:-Used to tapered articles
C:-Used to turn circular disc
D:-Used to squaring corners
Correct Answer:- Option-B
Question80:-Cones and pyramids or their frustum are developed by the
A:-Parallel line
-Triangulation
C:-Geomet.... See more