Previous Exams

LINEMAN(N.C.A),P.W.D Electrical Wing-Online Exam-2017

 

Time Remaining :
1. Kaziranga,the famous sanctuary of Assam is famous for:
Tigers
Rhinos
Lions
Elephants
2. In which of the following states is Tungabhadra project of irrigation?
Andhra Pradesh
Bihar
Tamil Nadu
Maharashtra
3. According to census 2011 the sex ratio in India is:
980
960
940
930
4. Which of the following project started to ensure integrated development of children upto 5 years?
SSA
RMSA
NSPS
ICDS
5. The nationalized leader who was killed in a police lathicharge in 1928 was:
Madan Mohan Malaviya
Lala Lajpat Rai
Swami Sahajanand
Swami Sahajanand
6. The Resolution of Non-cooperation Movement was passed in which special session of Indian National Congress
Calcutta
Kanpur
Nagpur
Bombay
7. The Indian National Congress celebrated the Independence Day for the first time on:
August 15,1947
January 26,1950
January 1,1937
January 26,1930
8. Separate electorate for Muslims were first introduced through the following reforms
Montegue-Chelmsford reforms
Government India Act of 1935
Minto-Morley Reforms
Council Act of 1892
9. In which part of the Kerala Oranges are grown?
Nelliyampathy
Munnar
Kasaragod
Muthanga
10. Kabani one of the east flowing rivers of Kerala flows into:
Tamil Nadu
Karnataka
Andhra Pradesh
Maharashtra
11. Vagbhatananda started the Journal for Propagation of Nationalist ideas:
Prachina Malayalam
Akilathirattu
Atmavidya kahalam
Deepika
12. Who formed Nair Samudhaya Bhruthya Jana Sangam in 1914?
K.Kelappan
K.P.Kesava Menon
K.Ramakrishna Pillai
K.Ramakrishna Pillai
13. Who put forward the famous teachings 'progress through the education,strengthen through Organisation’?
Chattampi Swamikal
Sri Narayana Guru
Dr.Palpu
Ayyankali
14. Who is the author of the work ‘Jathikkummi’?
K.P.Karuppan
Sahodaran Ayyappan
Vaikunda Swamikal
Chattampi Swamikal
15. Who was the founder of 'Yogakshema Sabha'?
E.M.S.Namboodiripad
V.T.Bhattathiripad
K.P.Kesava Menon
K.P.Padmanabha Menon
16. Who is the interim President of Brazil declared 'South America's first Olympic Games Open at Rio 2016?
Dilma Rousseff
Carlos Nuzman
Michel Temer
Gisele Bundehen
17. Who is the one of the members of NITI Aayog?
Arundhathi Bhattacharya
Ashok Kemka
G.R.Aloria
Ramesh Chand
18. Who is the present Chairman of Kerala Sahitya Akademi?
KPAC Lalitha
Beena Paul
Lenin Rajendran
Vaishaken
19. Who won the men's singles title in the 2016 Wimbledon Tennis?
Andy Murray
Novak Djokovic
Rafel Nadal
Wavarinka
20. Which among the following was not the important works of Mahasweta Devi?
Rudali
Jansir Rani
India Another Millenium
Aranyer Adhikar
21. Which type of motor is generally used in a portable drilling machine?
Repulsion motor
Universal motor
Capacitor run motor
Shaded pole motor
22. Lead is prepared from the ore of :
Bauxite
Blast
Hematite
Galena
23. Which of the material is used to fix the screw on concrete wall and ceiling?
Link clips
Bushings
Rowl plug
Saddles
24. Insulation resistance is measured in:
Kilo ohms
Mega ohms
Megawatts
Kilowatts
26. Watt hour meter is classified as a:
Integrating Instrument
Deflecting Instrument
Recording Instrument
Indicating Instrument
27. Efficiency of a Secondary cell is:
Impedance hour efficiency
Ampere hour efficiency
Resistance hour efficiency
Volt hour efficiency
28. Which class of insulator is Mica?
Class F
Class A
Class B
Class C
29. The slip rings are made of:
Aluminium
Silver
Copper
Cast iron
30. The operating temperature of a gas filled lamp is about--------
2500 Degree C
3000 Degree C
2000 Degree C
2000 Degree C
31. If the speed of DC shunt motor increases the back emf:
Decreases
Constant
Decreases and then increases
Increases
32. To check the Internal and External radius of work pieces which tool is used?
Radius gauges
Centre punch
Scriber
Callipers
33. Universal Motor requires:
AC only
DC only
AC and DC
DC and shunt type
34. All the sides of parallelogram are equal is called---------
Trapezium
Rhombus
Polygon
Rectangle
35. Gun metal is an alloy of-------and --------
Copper,Aluminium,Zinc
Copper,Tin,Zinc
Iron,Copper,Tin
Iron,Tin,Zinc
36. 1 Kg weight=--------
9 Newtons
10.8 Newtons
9.8 Newtons
8.5 Newtons
37. Torque’=’
Force’xx’Acceleration
Force ‘xx’Distance
Force’xx’Radius
Force’xx’Speed
38. Aluminium ore is------
Bauxite
Antimony
Graphite
Galena
39. Freezing point of mercury is----
35 Degree C
36 Degree C
38 Degree C
39 Degree C
40. The ability of material to deform without breaking is called:
Plasticity
Elasticity
Ductility
Malleability
41. Whenever heat is developed in a conductor it is governed by the:
Lenz’s Law
Ampere’s Law
Joule’s Law
Newton’s Law
42. Squirrel cage induction motor is a:
High starting torque motor
Low starting torque motor
Both(1)and (2)
None of the above
43. Which are fundamental units?
CGS,FPS and MKS
MKS,MKSA and CGS
CGS,FPS and SI
FPS and MKS
44. The flux density is the flux divided by:
Conductivity
Permeability
Area of cross section
Area of the current carrying conductor
45. A pure resistive circuit in AC follows the:
Ohm’s Law
Lenz’s Law
Faraday’s Law of electrolysis
Kirchhoff’s Law
46. Which of the following material has a negative temperature co-efficient of resistance?
Brass
Copper
Carbon
Aluminium
47. 100 W and 40 W lamps are of the same voltage rating the resistance of 40 W lamp is-----
Higher
Lower
The same
Lower with AC higher with DC
48. Metric HP=
746 watts
746.5 watts
735.5 watts
735 watts
49. Which lamp will take more current?
40 watts 200 V
100 watts 24 V
1000 watts 230 V
100 watts 230 V
50. Star/Delta starter used in a:
DC Series
DC Shunt
AC single phase
Three phase Induction Motor
51. It is difficult to magnetise steel because of its:
Low permeability
High permeability
High density
High retentivity
52. One Farad is:
One Coulomb per volt
One volt per Coulomb
Joule per volt
Coulomb Joules
53. Which of the following acts as depolarizer in a Lechlanche cell?
Zinc Chloride
Carbon Powder
Manganese dioxide
Ammonium Chloride
54. What is the method of heat transfer accomplished in a hot water boiler?
Convection
Conduction
Radiation
None of the above
55. Which motor is suitable for rolling mills?
DC shunt motor
DC series motor
DC cumulative motor
DC differential motor
56. Composition of fuse wire:
Lead 40 tin 60
Lead 80 tin 20
Lead 50 tin 50
Lead 60 tin 40
57. Rated capacities of IC TP 300A switch:
500 V
1000 V
230 V
250 V
58. XC=
R-XL
2pi FI
2 pi FC
(1)/(2piFC)
59. The power factor of a purely resistive circuit is:
Zero
Unity
Leading
Lagging
60. In star connection line current=
Phase current
Square root of 3 phase current
Square root of 2 phase current
None of the above
61. Power transformers are designed to have maximum efficiency at:
Half load
No load
Little more than full load
Near full load
62. 1 litre of water--------
980 gram
1000 gram
930 gram
910 gram
63. Melting point of copper is------
1230 Degree C
1085 Degree C
1088 Degree C
1083 Degee C
64. In H.S.S. 18:4:1 means-------
Tungsten:Vanadium:Chromium
Tungsten:Chromium:Vanadium
Vanadium:Tungsten:Chromium
Chromium:Vanadium:Tungsten
65. Which colour wire is recommended for earth connection as per ISI Code?
Red
Black
Blue
Green
66. What is the value of cos 0 Degree?
1
0
Square root of 2
Square root of 3
67. On which factors the frequency depends?
Directly proportional to speed and no.of poles
Inversely proportional to speed and no.of poles
Directly proportional to back emf
Directly proportional to applied voltage and back emf
68. What is the complete formula for frequency?
F=(PxxN)/(60)
F=(PxxN)/(60)
F=(PxxE)/(120)
F=(PxxNS)/(120)
69. Where the Damper winding is placed in synchronous motor?
Shaft
Poles
Poleshoes
All of the above
70. Capacity of a capacitor filled in table fan or ceiling fan:
1 to 1.5 meu f
3 to 3.5 meu f
2.5 to 3 meu f
2 to 2.5 meu f
71. How the current coils and pressure coils are connected in megger?
At 90 Degree to each other
At 60 Degree to each other
At 45 Degree to each other
At 35 Degree to each other
72. Supertension cables from:
33000 Volt to 66000 Volt
1000 Volt 11000 Volt
11000 Volt to 22000 Volt
22000 Volt to 33000 Volt
73. The distance between two adjacent line poles is called:
Sag
Span
HSL
Guarding
74. The distance that must be provided between line conductors for 440 V:
50 cm-60 cm
45 cm-60 cm
45 cm-50 cm
30 cm-45 cm
75. Rotary converter runs at:
Below synchronous speed
Synchronous speed
Above synchronous speed
All of the above
76. A series RL circuit has a resistance of 30 Ohm and inductive resistance of 40 Ohm.The impedance is-------
70 Ohm
50 Ohm
10 Ohm
35 Ohm
77. The magnetic field produced in the stator of a three phase induction motor rotates at------
Rotating speed
Synchronous speed
Asynchronous speed
Slip speed
78. The meter used to measure the temperature of furnace is:
Hydrometer
Hygrometer
Pyrometer
Tachometer
79. The conduction in a JEFT is always by the:
Minority carriers
Minority carriers
Holes
Electrons
80. FET is:
Unipolar device
Bipolar device
Bipolar device
All of the above
81. The Binary number system has a radix of:
10
2
16
8
82. Class Y insulation temperature assigned----------Range
105 Degree C
120 Degree C
90 Degree C
130 Degree C
83. In an inductive load power factor:
Zero
Leading
Lagging
Both
84. Form factor of an Electric Current:
2
1.11
1.44
1.732
85. Intermediate switches are used to control:
One lamp two places
One lamp one place
2 lamp one place
More lamp from different places
86. What is used for making guide holes drilling in metals?
Centre punch
Ratchet Brace
Auger-bit
Hand Drill
87. Upto how much voltage is medium?
Upto 250 V
Upto 560 V
Upto 1100 V
Upto 440 V
88. Nichrome is widely used for:
Transformer winding
Circuit connections
Heater coils
Lamp filaments
89. The resistance of a conductor on increasing the temperature:
Increases
Decreases
Constant
Varies
90. The unit for flux density is:
Henry/m^2
Newton/m^2
Webers/m^2
None of the above
91. The magnetic potential in a magnetic circuit can be measured in terms of:
Farads
Coulombs
EMF
MMF
92. Which one of the following capacitors is only suitable for direct voltage?
Aluminium full capacitor
Metalic paper capacitor
Unpoled aluminium electrolyte capacitor
Poled aluminium electrolyte capacitor
93. Which resistor is commonly used for general purpose application?
Wire-wound resistors
Carbon resistors
Metal film resistors
Carbon film resistors
94. To solder resistors on a PCB the soldering iron wattage should be:
25
60
150
240
95. Intermediate frequency transformers use:
Iron core
Ferrite core
Air core
Both iron core and Air core
96. In a DC circuit capacitor acts like a:
Open circuit
Inductance
Short Circuit
Resistance whose value depends on the dielectric material
97. Which one of them is not a semi conductor?
Silicon
Germanium
Carbon
Galium arsenide
98. The process of adding impurities to a pure semiconductors is known as:
Diffusion
Forming
Doping
Etching
99. When a germanium diode is connected in forward biased mode the voltage across the diode will be:
Zero
0.7 Volt
Equal to applied voltage
0.3 Volt
100. The function of a diode can be compared with a:
Replay
Switch
Inductor
Fuse