| Post Name | DRAFTSMAN |
|---|---|
| Department | POLICE(TELECOMMUNICATION UNIT) |
| Question Paper Code | 104/2015 |
| Date of Test | 3 June 2015 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The supply frequency of alternating current in India :
.
Answer
B. 50 Hz
2
Alead acid battery of 24 volts consists : ' :
Answer
D. 12 cells in series
3
The quality of a good conductor is: _
Answer
C. low specific resistance
4
Unit of capacitance denotes in :
Answer
A. Farad
5
The term “C F L” stands for : |
|
Answer
C. Compact Fluorescent Lamp
6
| Which.of the following is a good semi conductor ?
Answer
A. Germanium
7
Agenerator converts :
.
Answer
B. Mechanical energy into electrical energy
8
' §. If five resistances of 5 ohm is connected in parallel the total resistance will be :
Answer
D. lohm . .
9
Which of the following gives Direct Current ? 7
Answer
C. D.C. Generator
10
The abbreviation “P C B” stands for : 7
Answer
B. Printed Circuit Board
11
Ina series circuit : |
Answer
A. Voltage is divided and current will be same
12
Which material is used for making heating element ? eis
Answer
C. Nichrome
13
Which material is used for making bulb filament ?
Answer
B. Tungsten
14
Multimeter is used for measuring :
Answer
D. All the above ;
15
As per Ohm's law which statement is correct?
Answer
A. I = V/R
16
Moving coil instrument is used for measuring : 7
Answer
B. D.C. Values
17
The unit of electric charge :
Answer
C. Coulomb
18
Electrolyte used in lead acid battery is : :
Answer
B. Sulphuric acid
19
The purpose of using flux in soldering is :
Answer
D. All the above
20
A 1000 Watts bulb connected to 250 Volts supply. How much current does it take ?
Answer
C. 4Amps
21
The resistance of a 100 Watts bulb at 250 Volts supply is : |
Answer
A. 625 ohms
22
The material used for making fuse wire is : |
Answer
C. Lead and Tin alloy
23
The C.G.S unit of heat is :.
Answer
D. Calorie
24
The insulation used between the commutator segment is : :
Answer
A. Mica
25
The R.P.M of a 4 pole Alternator at 50 Hz supply is:
Answer
C. 1500
26
The material used for making brush in a D.C. Machine : :
Answer
D. Carbon
27
The height of a switch board to be fixed in domestic wiring : )
Answer
B. 1.5 meters
‘.
28
The maximum number of lighting points in a circuit is :
Answer
A. 8 points
29
Which of the material is used for making transformer core ? |
Answer
D. Silicon steel .
30
The.speed of a synchronous motor is:
|
Answer
A. Constant
31
The type of oil used in transformer : |
Answer
A. Mineral oil :
32
A synchronous motor with 8 poles and 50 c/s frequency will run at : ;
Answer
D. 750r.p.m
33
Current flowing through a resistance depends on : |
Answer
C. Both value of resistance and applied voltage
34
Power factor ofana.ccircuitequals: |
Answer
A. Cosine of phase angle
35
An open inductive coil has:
Answer
D. Infinitive resistance
36
Power is defined as: ; | |
Answer
B. Rate of doing work
37
The term LED stands for : :
Answer
D. Light Emitting Diode
38
The atomic number of silicon is 14. It means its atom has 14: 3
Answer
C. Electrons
39
The constituents in a solder wire is:
Answer
B. Lead and tin
40
Which semi conductor material is most commonly used for making IC’s ? |
Answer
A. Silicon
41
Which part of an atom determines whether a material is conductor, insulator or semi
conductor ?
Answer
D. Valence electrons
42
Transformers are rated in:
Answer
B. KVA
43
The chemical contained in the breather of a transformer :
Answer
C. - Calcium chloride
44
The efficiency of a transformer will be maximum when: ;
Answer
A. Iron losses are equal to copper losses
45
Commonly used a.c. Motor in industrial area : |
Answer
B. Squirrel cage induction motor
46
The advantage of transistor over vacuum tube is: .
Answer
D. .All the above :
47
If three resistances of Ri, Re and Rs are connected ve series the total resistance is : ,
Answer
A. Rit+Re+Rs
48
The conversion of energy which takes place in thermal power plant :
|
Answer
C. Heat energy to electrical energy
49
Which motor is used in domestic mixy’s ? |
Answer
B. Universal motor |
50
The unit of impedance is in: . |
Pie
Answer
A. Ohm |
51
Inastar connection the ratio of the line voltage and phase voltage :
Answer
B. 1,782 |
52
The E.M.F ofa single dry cell is :
Answer
D. 1.5 volts
53
According to Faraday’s law the magnitude of e.m.f induced in a conductor is proportional to :
Answer
A. Rate of change of flux
54
The positive elecrode of a lead acid battery is made of : |
Answer
B. Lead peroxide
|
55
Incase of electric fire spreads : |
Answer
D. Use liquid carbon dioxide fire extinguisher
56
If four incandescent lamps of 100 watts, 60 watts, 40 watts and 25 watts are connected in
series with 250 volts supply. Which bulb glows brighter ?
Answer
B. 25 watts
57
Why the earth pin of a three pin plug become thicker and longer ? |
Answer
D. All the above
58
The specific resistance of the electrolyte is measured with : | |
Answer
B. . Hydrometer
59
One Horse power is equivalent to : |
Answer
A. 746 watts .
60
The instrument used for measuring r.p.m of a motor is :
Answer
C. Tachometer | 7
61
Joule’s law states that the heat produced in a conductor is proportional to : |
Answer
D. Square of the current
62
One B.O.T unit is equivalent to:
Answer
C. ikwh
63
The depolorizer used in dry cell is :
Answer
A. Manganese dioxide
64
The specific gravity of a fully charged lead acid battery is :
Answer
C. 1280
65
Which type of bulb is usually used in line testers ? |
Answer
B. Neon |
66
The abbreviation “LC D” stands for :
|
Answer
D. Liquid Crystal Display
67
Dielectric strength of insulation is denoted in:
Answer
B. Kilo volts/mm ~
68
Which rectifier have more efficiency ? | :
Answer
A. Full wave bridge rectifier
69
70
NPN transistors are most commonly used than PNP transistors why ?
Answer
B. NPN transistors have higher switching speed
71
When a diode is reverse biased the resistance is : |
Answer
D. Infinitive
72
The material which is not a semi conductor ?
Answer
A. Tantallum
73
In delta connection of three phase:
Answer
C. Line voltage and phase voltage are same
74
The ratio of true power to apparent power denotes :
Answer
B. Power factor
75
Which of the following instrument takes higher power consumption ?
Answer
A. Hot wire instrument
76
Pure form of semi conductors are named as: |
|
Answer
C. Intrinsic semi conductor
77
A gang capacitor is used in: 3 | ee | )
Answer
D. Radio and T.V receivers
78
Which metal used in construction of cathodes in vacuum tubes ? |
Answer
A. Tungsten
79
Tong tester is used for measuring :
Answer
C. Current without disturbing the circuit or making any connection
80
Filter circuit used in electronic devices is for : :
Answer
D. Removing the remaining A.C content from output of rectifier
81
“The Father of Political Movement” in modern Travancore :
Answer
C. G. Parameswaran Pillai
82
The 20 Common Wealth Games was held at: a
Answer
A. Glasgow .
83
The first President of the Indian National Congress: -
Answer
D. W.C. Banerjee
104/2015 12 ee A
84
The Brand Ambassador of Telegana state:
Answer
B. .Sania Mirza eee
85
The volunteer captain of the Guruvayoor Satyagraha was :
Answer
C. A.K. Gopalan
86
Misra-bhojanam (inter dining) was popularised in Kerala by : |
Answer
A. K. Ayyappan
87
By which congress session passed the historic resolution, Poorna Swaraj
Answer
D. Lahore Congress Session 1929 | |
88
The Foreign Secretary of India : |
Answer
Question Cancelled
89
The first complete census was held in India in 1881 under : |
7
Answer
C. Lord Rippon }
90
The Apex level agency of ‘Kudumba Sree’ project in Kerala : |
Answer
A. CDS
91
The Rourkela Steel Plant in Orissa
Answer
D. disha) with the collaboration of :
92
Which soil is suitable for the production of cotton ?
Answer
B. Black soil
93
“Atma Vidya Sangham” founded by :
Answer
A. Swami Vagbhatanda |
94
“The Accidental Prime Minister” a book written by :
Answer
D. Sanjay Baru
95
Part III of Indian constitution refers :
Answer
B. The Fundamental Rights
96
When the Travancore — Cochin states united ?
Answer
C. July 1st 1949 ~
97
Who has been chosen for the Jnanpith award 2013 ?
Answer
A. Kedarnath Singh |
98
Human Rights Day observed on:
Answer
D. December 10
99
Which organ is called, “the laboratory of the human body” ?
Answer
B. liver
100
The currency of South Africa :
|
Answer
B. Rand
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