| Post Name | LINEMAN -PUBLIC WORKS DEPARTMENT-ELECTRICAL WING - PTA /WYD |
|---|---|
| Question Paper Code | 020/2018 |
| Date of Test | 7 February 2018 |
| Medium of Question | English |
| Exam Type | OMR Examination |
| Total Questions | 95 |
1
Which of the following peak is also known as ‘Dapsang’ ?
Answer
B. Godwin Austen
2
How many islands are there in the Lakshadweep ?
Answer
C. 36
3
The smallest neighbouring country of India is
Answer
D. Bhutan
4
The Revolt of 1857 broke out at
Answer
C. Meerut
5
When was the Jallianwala Bagh massacre ?
Answer
B. April 13, 1919
6
Who gave Indian National Congress its name ?
Answer
A. Dadabhai Naoroji
7
Who coined the term ‘PAKISTAN’ for the first time ?
Answer
C. Choudhry Rahmat Ali
8
At where the congress met in 1920, which decided to conduct a Non-Co-operation movement against the British ?
Answer
B. Calcutta
9
Who is known as ‘Bardoli Gandhi’ ?
Answer
A. Sardar Vallabhbhai Patel
10
The Prime Minister of India, who implemented the Twenty Point Programme in 1975 ?
Answer
B. Indira Gandhi
11
When was Rabindranath Tagore’s visit to Sree Narayana Guru ?
Answer
C. 1922
12
Which Kerala social reformer described the British rule as ‘Rule of White Devil’ or ‘Ven Neechan’ ?
Answer
C. Vaikunda Swamikal
13
Who among the following person is known as the ‘Political Father of the Ezhavas’ ?
Answer
C. Dr. Palpu
14
Who conducted the famous ‘Thali Road Strike’ ?
Answer
A. C. Krishnan
15
Who is known as the ‘Father of Kerala Literacy’ ?
Answer
B. Kuriakose Elias Chavara
16
Which of the following country, recently levied environment tax for preventing pollution ?
Answer
A. China
17
The ‘G-20’ meeting of 2016 was held at
Answer
Question Cancelled
18
‘Why I am an Atheist’ ? Is the autobiography of
Answer
A. Bhagat Singh
19
Which Indian City is known as the ‘Mecca of Indian foot ball’ ?
Answer
B. Calcutta
20
Where is the central office of the Reserve Bank of India ?
Answer
A. Mumbai
21
The main purpose of using shunt across a galvanometer is to __________
Answer
B. Increase its current range
22
If two identical 220V, 8kW heating elements are connected in series across a 220 V supply, their combined rating becomes __________ kW
Answer
C. 16
23
The unit of the quantity of electricity is __________
Answer
D. Both
24
The relative permittivity of vacuum is __________
Answer
D. None of these
25
The unit of conductivity or specific resistance is __________
Answer
Question Cancelled
26
A switch should be placed at any height __________ above the floor level
Answer
A. 1.5 m
27
For lamps with wattage above 300 W, __________ lamp holders are used
Answer
B. Goliath Edison screw type
28
The composition of Electrician’s solder consists of __________
Answer
A. Tin 60% Lead 40%
29
The size of the fan is generally determined by its __________
Answer
D. sweep
30
An auto transformer works on the principle of __________
Answer
B. Self induced emf
31
At unity power factor, the effect of armature reaction is __________
Answer
C. Cross magnetising
32
A current transformer is usually a __________ transformer
Answer
B. step up
34
The moving coil in a dynamometer type wattmeter is connected __________
Answer
B. Across the load
35
The type of rotor is used in low and medium speed alternators are __________
Answer
C. salient pole type
36
The number of slip rings in a rotating field system type alternator is __________
Answer
A. 2
37
The transformer connection used at the substation end of the transmission line is __________
Answer
D. Star - Delta
38
The essential condition for the parallel operation of two single phase transformers should be __________
Answer
Question Cancelled
39
The method of speed control of series motor used in electric trains is __________
Answer
B. Field diverter method
40
The dc generator used for arc welding process is __________
Answer
D. Differentially compound
41
An electric current of 10 A is divided into two branches of resistance 2 Ω and 3 Ω respectively. The branch current in 3 Ω resistance is __________ A
Answer
A. 4
42
A 3φ induction motor is wound for 4 poles, the synchronous speed of the motor supplied from a 50 Hz system is _________ rpm
Answer
B. 1500
43
Armature torque produced in a dc series motor is proportional to __________
Answer
C. The square of the armature current
44
During charging of a lead acid cell, the specific gravity of the electrolyte is __________
Answer
B. Increases
45
The power consumption of purely capacitive circuit is __________
Answer
A. zero
46
A coil has a resistance of 6Ω and reactance of 8Ω are connected in series, its impedance is __________ Ω
Answer
D. 10
47
The emf of a Fully charged lead acid cell is __________ volt
Answer
B. 2.1
48
The transfer of heat from the heating element with in to material being ironed in an electric iron is done by using __________
Answer
B. Sole plate
49
Increased capacitance can be obtained by connecting the given capacitors in __________
Answer
B. Parallel
51
The compensating windings are connected in __________ of dc generator
Answer
C. series with armature winding
52
One Farad = __________
Answer
D. one coulomb/volt
53
The direction of force produced on a current carrying conductor placed in a magnetic field can be determined by __________
Answer
D. Cork screw rule
54
Which one of the following material is an acceptor impurity ?
Answer
C. Boron
55
A Full wave bridge rectifier uses __________ diodes
Answer
D. 4
56
Hysterisis loss is proportional to __________
Answer
B. frequency
57
The critical field resistance of a shunt generator should be __________
Answer
A. Greater than its shunt field resistance
58
The knee voltage/cut in voltage of a silicon diode is __________
Answer
D. 0.7 V
59
The reciprocal of impedance is __________
Answer
C. Admittance
60
The instrument used for measuring current in a current carrying conductor without interrupting the circuit is __________
Answer
B. Clamp on ammeter
61
The application of inductor/ballast in fluorescent lamp circuit is to __________
Answer
B. limit the current through the lamp
62
Which one of the following material must have negative temperature coefficient of resistance ?
Answer
C. Mica
63
The effective value of sine wave is __________
Answer
A. 0.707×V max
64
The bending of electrodes due to over charging and discharging in a cell is known as __________
Answer
B. Buckling
65
The heavily dopped region of a bipolar junction transistor is __________
Answer
A. Emitter
66
The unit of reluctance is __________
Answer
B. Ampere turns/weber
67
The fuse element used in HRC fuse is __________
Answer
D. Silver
68
The switch is commonly used to control a lamp from three places is __________
Answer
D. Intermediate switch
69
The load on each power sub circuit should normally be restricted to __________
Answer
C. 3000 W
70
Dynamometer type instruments can be used as a __________
Answer
C. For both AC and DC circuits
71
The main winding and starting winding of a single phase induction motor are connected in __________ across the supply
Answer
D. Parallel 10 A
72
Damper winding in a synchronous motor __________
Answer
B. Serves to start the Motor
73
Buchholz relay is used on __________ transformer
Answer
C. Oil cooled
74
The direction of rotation of an Induction motor can be changed by changing __________
Answer
D. The phase sequence
76
The connection of a Zener diode in a circuit is always __________
Answer
C. Reverse biased
77
The most commonly used wiring system in electrical wiring installation is __________
Answer
C. Distribution system
78
The mettalic sheath is provided in cables to safeguard against __________
Answer
B. Moisture content
79
A device which opens or closes an auxiliary circuit under predetermined conditions in the main circuit is __________
Answer
A. Relay
80
The most common method to test the armature winding for short and open coils is __________
Answer
C. Growler test
81
The maximum reverse voltage that a diode can withstand is referred as __________
Answer
A. Peak inverse voltage
82
The full load copper loss of a transformer is 400 W. The Copper loss at half load will be __________
Answer
A. 100 W
83
In a wiring two lamps should be switched ‘ON’ at a time, the wiring is known as __________
Answer
D. Tunnel wiring
84
ELCB’s are specially used to disconnect the supply under __________ conditions
Answer
D. None of these
85
The maximum safe temperature of class B insulation material is __________
Answer
A. 1308C
86
The controlling torque in an indicating instrument is __________
Answer
B. Opposes the deflection torque
88
The damping torque provided by PMMC Instruments is __________
Answer
C. Eddy current damping
89
When the motor is stationary, the frequency of rotor current in an Induction motor is __________
Answer
A. Same as the supply frequency
90
Kirchoff’s voltage law is concerned with __________
Answer
D. Both
91
A charge of 100 coulomb is transferred in a circuit by a current of 1A. Time taken by this current is __________ seconds
Answer
C. 100
92
The voltage induced in the armature of a dc generator is __________
Answer
D. AC
94
The positive plate of lead acid cell is __________
Answer
A. Lead peroxide
95
The starting winding of a resistance start induction motor have __________
Answer
B. High resistance and low reactance
96
In a lap winding, the number of brushes required is equal to __________
Answer
A. Number of poles
97
The open circuit test on a transformer is always made on __________
Answer
B. Low voltage winding
98
In a parallel circuit, all components must __________
Answer
A. have same potential difference across them
99
For a given dc generator the generator voltage depends on __________
Answer
C. Both Flux and Speed
100
The test is conducted to check whether switches are connected in phase/live cables or not is __________
Answer
D. Polarity test
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