| Post Name | LINEMAN GRADE I |
|---|---|
| Department | REVENUE |
| Question Paper Code | 227/2015 |
| Date of Test | 10 December 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Which one of the materials of the atom contains only 4 free electrons?
Answer
C. Germanium
2
Which factor does not depend on the resistance of the conductor among the following factors?
Answer
C. Voltage
3
Which material is having the negative temperature co-efficient among the following?
Answer
D. Carbon
4
. The equivalent resistance of the parallel circuit is —————————- than the smallest single
resistance. .
Answer
B. Smaller
5
Size of the wires can be measured normally by standard wire gauge. Which instrument must
be used for accurate measurement of wire size?
Answer
D. Micrometer
6
What type of flux is suitable for electrician’s solder?
Answer
D. Resin
7
An industry has 100 nos of light points each GOW and 50 H.P. power load. The above lght
load used 6 hours per day and power load used 10 hours per day. What is the unit
consumption per day?
Answer
B. 409
8
8 Whatis the name of the instrument used to measure the specific gravity of a battery?
Answer
B. Hydrometer
9
Which type of winding is wound with many turns of thin wire in D.C generator?
Answer
C. Shunt field winding
10
Which type of D.C. generator is used for welding generator set?
Answer
C. Differential compound generator
11
ll. What is the purpose of starter in D.C motor?
Answer
C. ,To reduce the starting current and also protect the motor
12
Which method of speed control is used in D.C. series fan motor?
Answer
D. ‘Supply voltage control
13
Which type of joint is used in over head lines for extending the length of wire? |
|
Answer
C. Western union joint
14
What is the colour of the neutral wire in a single phase or 3 phase circuit?
Answer
B. Black
15
Which of the following place is used for the plate electrode earthing?
Answer
B. Generating station
16
Ifthe frequency is 50 Hertz. What is the time taken to complete one cycle?
Answer
B. 0.02 second
|
17
All A.C. voltage and current are measured by meters. Which of the following value is
indicated by measuring instruments?
|
Answer
C. R.M.S value
18
A coil has an inductance of 0.1 Henry and it connected to the 230V, 50Hz. A.C supply. What
is the value of inductive reactance?
Answer
A. 31.04 ohm :
19
In a three phase system voltage across phase to phase is called :
Answer
D. Line Voltage oh
20
What is the relation between frequency, speed and number of poles in an alternator?
Answer
D. f = PN/120
21
How many number of slip rings are required for a rotating field type 3 phase alternator?
Answer
B. 2
|
22
What is the feature of salient pole rotor used in an alternator?
Answer
A. Smaller in length and larger in diameter
23
What is the working principle of two winding, transformer?
Answer
B. Mutual induction
24
Which type of transformer winding has no ohmic resistance and no magnetic leakage |
resulting in no losses? |
Answer
C. Ideal Transformer
25
Which of the following speed is called synchronous speed in a 3 phase induction motor?
Answer
A. Speed of the rotating magnetic field .
26
When a 3 phase motor is stationary, the frequency of the rotor current is :
Answer
A. Same as supply frequency
27
A 3 phase induction motor takes a current of 120 A from 400 V, 50 Hz supply. Determine the
power factor :
Answer
A. 0.82 .
28
Which part of the magnetic over load relay is cause to lift the plunger in the upward
direction?
Answer
A. Magnetic coil
29
Which type of single phase motor is having wound rotor?
Answer
B. Universal motor
30
Which of the following motor does not have a winding or commutator or brush in its rotor?
Answer
B. Stepper motor
31
The size of the winding wires are specified in SWG numbers. The diameter of 36 SWG, 5E
copper wire is :
Answer
A. 0.19 mm
32
Fora full pitch 3 phase winding, what will be the coil throw, if the eoil pitch is 127
Answer
D. 12 ¥
33
‘The range of 1 milliampere meter is changed to a 10 mA meter. The moving coil of a meter
have a resistance of 86 ohm, What is the value of resistance to be connected in parallel?
Answer
A. 4ohm
34
What is the name of the chemical used to get green colour light in neon sign lamp?
Answer
C. Zine silicate
35
Which is not the passive components from the following?
Answer
C. Transistor |
36
Which one of the following is the LDR's applications?
Answer
D. For measuring the intensity of light
37
What is the barrier potential for silicon diode?
Answer
D. O.7V
38
Which of the following value is appeared in the screen of the CRO, when measuring
AC voltage?
Answer
C. Peak to peak value
39
-What is the application of Triac?
Answer
B. It is used for controlling A.C. in either direction
40
What is the abbreviation of PILC cable?
Answer
C. Paper insulated lead covered
41
Trysquare is used to check up an angle of : ;
Answer
A. 90°
42
Arevet is specified by the diameter of its :
Answer
C. Shank
43
A cutting tool used to cut outside threads is called:
Answer
B. Tap
44
The main functions of brake fluid is:
Answer
C. Power transmission
45
The inner end of axle shaft is splined to the :
Answer
D. Sun gear
46
Piston rings are made up of :
Answer
A. Cast iron
47
Formula of compression ratio is:
Answer
D. Total volume/clearance volume
48
Which tool is used to enlarged large drilled holes?
Answer
B. Boring tool
49
a6.
The 8.1 unit of pressure is:
Answer
A. Pascal
50
The pressure in an engine cylinder is less than the atmospheric pressure when the engine is
working stoke.
Answer
A. Suetion
51
A fully charged lead acid battery has specific gravity of :
Answer
D. 1.290
52
Why splined slip joint is attached to the propeller shaft?
Answer
C. To accommodate change of length
53
The Ratio between B.H.P and I.H.P is called:
Answer
B. Mechanical efficiency
54
In diesel engine fuel is ignited by :
Answer
D. Temperature of compressed air
55
Which of the following is not a part of engine exhaust system?
Answer
B. Air filter
56
Supercharger in an engine is also called :
Answer
D. Boosting
57
Which one of the following suspension springs also acts as a means for locating the axle?
Answer
A. Leaf
58
Thermal efficiency of 2-stroke engine is ———————— 4-stroke engine.
Answer
A. Less than
59
The device used to measure the clearance between the valve and tappet of I.C engine is :
Answer
A. Feeler gauge
60
Ifthe compression ratio in I.C engine increases, then its thermal efficiency will :
Answer
B. Increase
61
The heat transfer from coolent to air in the radiator of an automobile engine takes place by :
Answer
C. Convention and radiation
62
Combustion in C_] engine is:
Answer
D. Hetrogeneous
63
Petrol is distilled at a temperature in range of :
Answer
B. 70-220°
64
The valve overlap in 4-atroke petrol engine is approximately :
Answer
C. c) 20°
65
The power to weight ratio of diesel engine compared to petrol engine 1s ;
Answer
A. Low
66
The condenser is connected parallel with the :
Answer
B. CB points
67
The main cause for the change in engine oil viscosity 1s :
Answer
D. Temperature
68
The anti freeze solution commonly used in automobile is :
Answer
C. Glycol
69
The alternators are used in the vehicles to : |
Answer
A. Battery charging
70
Sheet metal work is carried out only on metal sheets, which are?
Answer
C. Rolled
71
TPS sensor means that:
Answer
C. Throttle position sensor
72
Oil level is checked by :
Answer
A. Dip stick
73
In d.c generator magnetic field is produced in the : )
Answer
D. Stator
74
During idling a petrol engines required to:
Answer
B. Rich mixture
75
Dog clutches are used in:
Answer
D. Gear boxes . ' |
76
‘The type of gear box, which uses friction cones to equalize speeds of the members prior to
gear engagement is: |
Answer
D. Synchro mesh
77
In semi floating type axle, the vehicle load is taken by :
Answer
B. Axle shaft
78
Volatility is the ability of the fuel to ;
Answer
C. Evaporate
79
E.G.R valve is employed in automobile is controlling emission of :
Answer
D. HC and CO
80
An over inflated tyre will wear the tread most :
Answer
C. Centre
81
The river Brahmaputhra originates from : gf ae:
Answer
B. Himalaya
82
The holy place Kasi situated in the banks of river :
Answer
B. Ganges
83
How many west flowing rivera in Kerala?
Answer
C. 41
84
Indian National Congress was formed in :
Answer
A. 1885
85
A revolutionary organisation, Bharath Matha Society was founded by :
Answer
B. J.M Chatterjee
86
AITUC was formed in: ; |
Answer
D. 1920 |
87
Swara) party was formed by:
Answer
B. CLR. Das
88
Planning Commission was setup in India in :
Answer
C. 1950
89
“Give me blood inturn I will give you freedom”. Whose declaration was this?
Answer
D. Subhash Chandra Bose
90
Servants of India Society was founded by : oe
Answer
B. Gopala Krishna Gokhale |
91
Who is known as the father of modern Kerala renaissance?
Answer
C. SreeNarayana Guru
92
The SNDP came in to existence in ; |
Answer
A. 1903
93
Who was the founder of Sidhasramam at Alathur?
Answer
C. Brahmanada Sivayogi
94
A famous social reformer who born at Kottayam in north Kerala was :
Answer
C. Vagbhadananda
95
First secretary of Nayar Service Society :
Answer
A. Mathathu Padmanabhan
96
Mission Indra Dhanus of Union Govt. is related to:
Answer
C. Immunisation of children against 7 diseases
97
Which of the following person didn't get Magsaysay award? |
Answer
A. Kailas sathyarthi
98
Curiosity Rover to study Mars has been launched by : :
Answer
D. USA
99
The national science day is celebrated on:
Answer
A. 28 February
100
Who won the Dadasaheb Phalke Award in 2014?
Answer
D. Sashi Kapoor
227/2015 14 a ae
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