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Kerala PSC Junior Instructor – Wireman Previous Question Paper – 101/2016

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Post NameJUNIOR INSTRUCTOR - WIREMAN
DepartmentINDUSTRIAL TRAINING
Question Paper Code101/2016
Date of Test19 August 2016
Medium of QuestionENGLISH
Exam TypeOMR Examination
Total Questions100
1
Which one of the following fire extinguisher is suitable for electrical fire?
Answer
A. Halon
2
The least count of steel rule is :
Answer
B. 0.6mm
3
Raw! plug tool and bit is used for :
Answer
D. Making holes in bricks and concrete wall
4
In an atom the number of proton is:
Answer
A. Equal to the number of electrons
5
The flow of electrons is called :
Answer
A. Current
6
The value of one mega ohm is:
Answer
C. c) 10°
7
Which of the following equation is correct according to Ohm’s law? I V R=— =—
Answer
B. R 7 R R Cc) l=— V=—
8
Which meter is used to measure the power?
Answer
C. Watt meter
9
Ina parallel circuit the total resistance is:
Answer
D. Less than the smallest resistance of the combination
10
If the area of cross section of a wire with a given length is doubled it's resistance will :
Answer
B. Be halved
11
Heat developed in a conductor is proportional to the:
Answer
C. Square of the current
12
Which of the following has negative temperature coefficient of resistance?
Answer
D. Carbon
13
A substance that has low retentivity cannot be used for the manufacturer of : |
Answer
B. Permanent magnet
14
The initial function of a choke in a tube light circuit is to:
Answer
C. Induce high voltage
15
Which one of the following is unit of inductance?
Answer
A. Henry
16
The formulae for Calculating power in R-L circuit is:
Answer
C. Vi1Cos@
17
If the frequency changes from 50Hz to 100Hz keeping voltage constant, the inductive reactance of the coil connected to supply :
Answer
B. become doubled
18
In acapacitive AC circuit the :
Answer
A. Current leads the voltage
19
The power factor of an AC circuit is given by :
Answer
A. Cosine of the phase angle
20
The capacity of a cell is measured in :
Answer
D. Ampere-hour
21
Ina3 phase star connected balanced load, the current in the neutral wire is :
Answer
C. Zero
22
In a 3 phase Delta connected circuit:
Answer
A. The line voltage is equal to phase voltage
23
The meter installed at your house to measure electrical energy is an example of :
Answer
D. Integrating type instrument
24
Dynamo meter type instruments are used to measure :
Answer
B. Both AC and DC
25
The unit of commercial electrical energy is measured in :
Answer
C. c) KWH
26
When the dise of an energy meter is rotating even without connecting any load, the error is called?
Answer
A. Creeping error
27
An electrical circuit that has infinity resistance shown in megger is called a ————————_- circuit.
Answer
A. an open
28
For pipe earthing the minimum internal diameter of galvanized iron or steel pipe required is :
Answer
D. 388mm
29
The heat proof insulating material used for heater base is : |
Answer
B. Porcelain
30
The thermostat in an automatic electric iron will :
Answer
C. Regulate the heat by switching ON-OFF
31
What type of motor is used in a food mixer? :
Answer
B. Universal motor
32
If the voltage applied at the terminals of 230V single phase 1200 mm sweep ceiling fan is | 120V then the fan:
Answer
D. Will run slowly
33
The sweep of the ceiling fan is determined by :
Answer
B. The diameter of the circle formed by the blade tips of the fan
34
The unit of luminous intensity is: |
Answer
A. Candela
35
The potential difference that causes the break down of insulation is called :
Answer
C. Break down voltage
36
The possible minimum reading which can be taken by 0-25 mm out side micrometer is ;
Answer
D. 0.01 mm
37
Britannia joint is used in : |
Answer
D. O.H. Lines |
38
Soldering is done on joints to improve :
Answer
C. Conductivity
39
Switch board is fixed at a height of :
Answer
B. 1.5 meters |
40
The load on each power sub circuit shall be restricted to :
Answer
C. 3000W
41
The number of light points admissible in a circuit is : |
Answer
A. 10 pointe
42
A fuse rating is expressed in terms of :
Answer
B. Current
43
Fusing factor of HRC fuses will be :
Answer
C. c) 1.1
44
In which of the following wiring, to operate three lamps in all we require six, two way switches?
Answer
C. Corridor wiring
45
Fleming's right hand rule is used to identify the :
Answer
B. Direction of induced e.m.f.
46
The armature core is laminated to minimize the :
Answer
B. Eddy current loss
47
ADC generator works on the principle of:
Answer
A. Faraday’s laws of electromagnetic induction
48
In an 8 pole simplex wave winding armature, the number of parallel paths are :
Answer
D. 2 |
49
In a 250 V.D.C. Machine, shunt field resistance is found to be 500 ohms. The shunt field current will be:
Answer
D. O.6A
50
The current in the armature of a D.C. shunt generator can be determined by the formulae : V-E Eb hth ad 0 ste
Answer
C. IL+Ish
51
Which one of the following generator ia used for charging batteries with constant voltage?
Answer
D. Shunt generator 101/2016 8 A
52
The direction of rotation of a DC motor is determined by :
Answer
B. Fleming's left hand rule
53
The back e.m.f. of a D.C motor depends on :
Answer
B. Field flux
54
The main function of starter of the DC Motor is to:
Answer
A. Limit the starting current
55
The speed of DC shunt motor has to be controlled through the field, the most suitable starter | for this purpose is : |
Answer
D. 4 point starter
56
The speed of a DC motor is: |
Answer
A. Directly proportional to the back e.m.f. and inversely proportional to the flux
57
Insulation resistance is measured in :
Answer
C. Mega ohms
58
The running speed of a 3 phase squirrel cage induction motor is :
Answer
D. Less than synchronous speed
59
For 3 HP, 3phase 415V, 50 Hz squirrel cage induction motor started through a D.O.L starter, the back up fuse rating will be :
Answer
A. 15 Amps
60
When remote ‘ON’ and OFF are used in a D.O.L starter, the remote ‘ON’ button should be connected with the existing ‘ON’ button in:
Answer
D. Parallel A 9 101/2016 [P.T.O.]
61
When a3 phase induction motor is switched to atar position through a star delta starter :
Answer
D. ; times torque produced than the delta position
62
Ina manual star delta starter, the stop button connection is in series with the :
Answer
C. No volt coil and over load relay contacts
63
A High starting torque is obtained in a slip ring induction motor by using
Answer
A. |
64
We can identify a wound rotor induction motor by seeing:
Answer
B. Slip rings
65
A poly phase induction motor is usually :
Answer
A. Self starting
66
For ceiling fan generally which type of motor ia used?
Answer
C. Permanent capacitor
67
The maximum efficiency of transformer is obtained when :
Answer
B. Copper loss is equal to iron loss
68
Buchhol’z relay is a device related with :
Answer
D. Transformer : 101/2016 10 A
69
Auto transformer works on the principle of :
Answer
B. Self induction
70
Which one of the following, is the e.m.f equation of transformer?
Answer
B. E = 4.44φm fN Volts
71
The main source of hydro electric power station 15 :
Answer
A. Water
72
Which insulator is used on dead ends of medium voltage line?
Answer
C. Shackle type
73
Which type of guarding is provided on a railway line crossing?
Answer
A. Cage type
74
Ina transmission line which type of insulators are used :
Answer
D. Suspension type
75
MCCB stands for :
Answer
C. Moulded Case Circuit Breaker
76
For a given line current and line voltage the power taken by the delta connected load is —___—___—— the power taken by the star connected load.
Answer
C. Equal to
77
The series type Ohm meter will have zero reading at the :
Answer
D. Righ hand end of scale A 11 101/2016 [P.T.O.]
78
Tocharge a secondary cell, the syatem used is :
Answer
B. DC
79
j 79. The approximate full load current of a 3 phase delta connected 3 HP motor is:
Answer
A. 4.5 Amps
80
The total opposition offered by an AC circuit is called : |
Answer
D. Impedance
81
The Constituent Assembly of India began ita Third Session on :
Answer
C. 28% April 1947
82
Which Article of Indian Constitution mentions about the State responsibility to promote educational and economic interests of the tribal people?
Answer
B. Article 46
83
Which social reformer of Kerala started an Agricultural Bank namely “Uralunkal Aikyananaya Sangham”?
Answer
D. Wagbhadananda
84
In which year the ‘second ezhava memorial’ was presented by the leaders of Ezhava community before Lord Curzon, then the Viceroy of India, during his visit to Thiruvananthapuram?
Answer
C. 1900
85
The active participation of which struggle in modern Kerala History gave G. Parameswaran Pillai the epithet of “Father of Political movements in modern Travancore’?
Answer
D. Struggle against appointing non-travancoreana to State services
86
One of the prominent families among the Church Mission Society missionaries in Central Travancore was :
Answer
A. Henry Baker family
87
Name the Titles received by K.P. Karuppan, famous social reformer and poet of Kerala, from Valiya Tampuran of Kochin?
Answer
C. Kavitilakan and Sahityanipunan
88
One of the early detective novels in Kerala titled “Kaalante Kolayara” was Written by : |
Answer
A. O.M. Cheriyan
89
Who was the first editor of “samadarsi’?
Answer
C. Kunnath Janardhana Menon
90
“Ente Vazhithirivu” is the autobiography of :
Answer
D. Ponkunnam Varky
91
“Vaala samudaya parishkarana sabha” was formed in the year :
Answer
B. 1912
92
Who among the following women activists of Kerala took part in the general strike, led by Tiruvitamkur Coir Factory Workers Union (TCFWU) at Alappuzha in 1938?
Answer
B. Arya Pallam
93
What event occurred in 20% August 1921 that became the prime catalyst of Malabar Rebellion?
Answer
B. The siege of Tirurangadi Mosque by the British army and police
94
Name the magazine that founded and edited by Anna Chandi for promoting the cause of women's rights?
Answer
D. Shrimati
95
Who authored the book “Vatkom Satyagraha and Gandhi”?
Answer
C. Dr. T.K. Ravindran
96
The Sutlej-Yamuna Link Canal (SYL) controversy is associated with the states between : |
Answer
B. Punjab and Haryana
97
Sadiq Khan, who had been a historic Win While he elected as London’s first ethnic-minority Mayor in the 2016 elections, represents which Political Party?
Answer
A. Labour Party
98
Kuramadera Buddhist Temple is located in:
Answer
A. Kyoto
99
What is Catopirophobia? |
Answer
D. Fear of Mirrors
100
Expand VVPAT
Answer
B. Voter Verifiable Paper Audit Trail

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