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SKILLED ASSISTANT GRADE II-ELECTRICAL INSPECTORATE-TVPMPTATSR.pdf (Size: 1.21 MB / Downloads: 0)
1.A semi conductor without any impurity is known as :
(A)Intrinsic Semi Conductor
(B)PN Junction
(C )Extrinsic Semi Conductor
(D)Semi Conductor
2.Unit of electrical resistance is :
(A)Olun
(B)Mho
(C )Volt
(D)Ampere
3.A transformer which increases voltage level is termed as :
(A)Step down transformer
(B)Auto transformer
(C )Ideal transformer
(D)Step up transformer
4.In single phase energy meter__________type damping is used.
(A)eddycurrent
(B)fluidfriction
(C )air friction
(D)spring control
5.Transformation ratio of a transformer can be written as an equation. From the following which statement is true ?
N|\2Ni l,
6.POL starters do not reduce________________.
(A)Voltage
(B) Starting torque
(C ) Starling current
(D) Running torque
7.In 3 phase supply system motors "Single phasing" term moans :
(A) Advantage
(B) Supply
(C ) DOI. starter
(D) Fault
8.For holding objects, cutting and twisting wires, which tool is used ?
(A)Combination pliers
(B)Nose pliers
(C )Nipper
(D)None of these
9.A battery is a combination of___________
(A)Capacitors
(B)Chemical cells
(C )Inductors
(D)Resistors
10.In earthing which of the following is used as earth electrode ?
(A)Metal pipe
(B)Porcelain Disc
(C )Egg insulator
(D)Cross arm
11.A device which converts electrical energy into mechanical energy is termed as :
(A)Capacitor
(B)Generator
(C )Motor
(D)Converter
12. Which of the following equation does not follow ohm's law ?v
(A) R = y
(B) V-IR
(C )
(D)
13. Synchronous motor runs at:
(A) High speed
(B)Constant speed
(C ) Below synchronous speed
(C )Above Ns
14.In two wattmeter method of power measurement phase angle is above 60v, then total power is:
(A)W1 + W2
(B)2W2
(C )W2
(D)W2-W1
15.Total power in a 3 circuit can be calculated by the following equation :
(A) W=VLILcos<|>
(B) VI cosø
(C ) 73 VL 1L cos*
(O) 3 VI cos
An instrument which is used to test the insulation resistance is :
(A)P.F. meter
(B)Meggar
(C )Voltmeter
(D)Hydrometer
17.Positive electrode in a volta cell is :
(A)Carbon
(B)Copper
(C )Zinc
(D)Lead
18.Which of the following is used as a filament in metal filament lamp ?
(A)Germanium
(B)Nichrome
(C )Tungsten
(D)Carbon
19.In a hydroelectric power station we require the following for the generation of electrical energy :
(A) Coal
(B) Water
(C ) Uranium
(D) Lead
20.In an electric mixie type motor is used.
(A) Universal motor
(B)Capacitor motor
(C ) Repulsion motor
(D) Stepper motor
21. In motors, starters are used to reduce :
(A) Voltage
(B) Current at starting
(C ) Starting torque
(D) Capacitance
22. In an electric heater the heating coil is generally made of:
(A) Tungsten
(B) Aluminium
(C ) Porcelain
(D) Nichrome
23. A Diode can be used to convert alternating current into :
(A) Eddy Current
(B)Electron Current
(C ) Direct Current
(D) Heat Current
24. ACSR Conductors arc used in :
(A) Unground system
(B) House wiring
(C ) Overhead system
(D) Factory wiring
25. Lagging flux density* behind magnetizing force is termed as :
(A)Hysterisis
(B) Eddy current
(C ) Reluctance
(D) Force
26. In India supply voltage in a single phase system in about:
(A) 440 V
(B)11 kV
(C ) 110 V
(D) 230 V
27. In a single phase system of distribution service connection is made by using_____________
wire.
(A) Flexible wire
(B) Weather proof
(C ) CTS wire
(D) TRS wire
28.Electricity is a form of:
(A)Energy
(B) Shock
29.MCB means :
(A) Main Circuit Breaker
(B)Metal Circuit Breaker
(C )Miniature Circuit Breaker
(D)Major Circuit Breaker
30.Transformer oil is a type of:
(A) Vegetable oil
(B)Mineral oil
(C ) Edible oil
(D) Palm oil
31.Cleat wiring system is used for :
(A) Factory wiring
(B)Chemical plant
(C ) House wiring
(D) Temporary wiring
(C ) Lightening (D) Spark
32.An Instrument which can be used in DC Supply only is :
(A)Induction type wattmeter
(B)Hot wire
(C )Permanent magnet moving coil instrument
(D)Dynamometer type wattmeter
33.Synchronous speed of a 3 phase AC motor is given by :
(A)120
(B)Ns
(C ) Ns - Nr Ns
(D)Ns 120 Nr P
34.A transistor has___________PN Junctions.
(A) Three
(B) Four
(C ) One
(D) Two
35.In electric traction_______motors are generally used.
(A) DC series motor
(B) Universal motor
(C )Shunt motor
(D) Compound motor
type temperature co-efficient of resistance.
36.Semi conductors have______
(A) Positive
(B) Negative
(C ) Constant
(D) Permanent
37.In differential compound DC machine magnetic field produced by shunt and series field act in____________________direction.
(A) Same
(B) Opposite
(C ) Vertical
(D) Horizontal
38.According to Lenz's law electromagnelically induced emf produces it the verv cause which
(A) Aids
(B) Opposes
(C ) Pulsates
(D) Rotates
39.In HRC fuse, fuse element is made of:
(A) Copper
(B) Silver
(C ) Aluminium
(D) Lead
40.Opposition offered to magnetic lines of force :
(A) Reluctance
(B) Conductance
(C ) Capacitance
(D) Resistance
41.Power factor is the ratio of resistance and
(A) impedance
(B) capacitance
(C ) inductance
(D) reactance
42.EMF equation of a DC generator can be given by :
(A)E=ZNxP 60 a
(B)P d x N E = ; dt
(C )K= —
(D)E = IR
43.In DC armature winding, wave winding has___________parallel paths.
(A) Many
(B) Three
(C ) Four
(D) Two
44.___________type single phase motors cannot change its direction of Rotation.
(A) Universal motor
(B)Repulsion motor
(C )Shaded pole motor
(D) Shunt motor
45.SMPS means :
(A)Simple Mechanical Power Supply
(B)Sinusoidal Mode Power Supply
(C )Switched Mode Power Supply
(D)Simple Main Power Supply
46.'The pressure plate of an ordinary Electric Iron is made of_____.
(A)Aluminium
(B)Cast iron
(C )Copper
(D)Zinc
47.Sodium Vapour lamp is best suited for :
(A) Factory lighting
(B)Bedroom lighting
(C )Drawing room lighting
(D) Street lighting
48.Electrically charged atom is generally termed as :
(A)Iron
(B)Isotope
(C )Ion
(D)Cations
49.In a series combination of resistances total resistance is given by :
50.According to Indian electricity rules total earth resistance should be less than :
(C ) R = R1 + R2 + ...
(D, R-V/I
(A) 5Ω
(B)500 Ω
(C )5 Mil
(D)50 MΩ
51.Carbon arc lamps were generally used in :
(A) Vehicles
(B) Torch lights
(C ) Street light
(D)Cinema projectors
52. Conductors have specific resistance.
(A) High
(B) Low
(C ) Very high
(D) No
53.Unit of electric charge is :
(A) Tesla
(B) Henry
(C ) Coulomb
(D) Farad
54.For plate earthing, the size of copper plate is :
(A) 60 cmx60 cmx3 mm
(B) 60 cm x 60 cm x 3.15 mm
(C ) 50 cm x 50 cm x 3.15 min
(D) 60 cm x 60 cm x 6.3 mm
55.A commutator is a device used in DC generators to convert:
(A) DC to AC
(B) Single phase to three phase
(C )Three phase to single phase
(D)AC to DC
56.Breather of a Distribution transformer contains :
(A)Sand
(B)Sodium chloride
(C )Silica gel
(D)Lead oxide
57.Open circuit test is conducted in a transformer to find out:
(A)Heat loss
(B)Copper loss
(C )Stray loss
(D)Iron loss
58.Fleming's right hand rule is used to find out:
(A)Direction of force
(B)Direction of flux
(C )Direction of torque
(D)Direction of emf
59.To reduce hysterisis loss cores of electric machines is generally made of:
(A)Silicon Steel
(B)Wrought Iron
(C )Cast Iron
(D)Carbon Steel
60.In DC supply energy is measured by using :
(A)Wattmeter
(B)hnergy meter
(C )Ampere-hour meter
(D)Meggar
61.Wire gauge is used to measure____________of a conductor.
(A) Height
(B) Breadth
(C ) Length
(D) Size
62.To change DOR of a 36 motor :
(A) Change sequence of any two phases
(B)Change phase and neutral
(C )Change positive and negative terminals
(D)Change windings
63.Negative electrode of Dry cell is made of:
(D)Aluminium
(A)Carbon
(B)Zinc
(C )Copper
65.A two coil heater gives its maximum heat output, when the coils are in :
(A)Series
(B)Series parallel
(C )Parallel
(D)
66.Conventional flow of electric current is from :
(A)+ ve to — ve
(B)- ve to + ve
(C )Phase to neutral
(D)Neutral to phase
67.In a single phase system of supply, which of the following is used to test the supply correctly ?
(A)Neon tester
(B)Ammeter
(C )Wattmeter
(D)Test lamp
68.Transformers and alternators are generally rated in :
(A)KVAR
(B)KVA
(C )KW
(D)Watts
69.In a domestic refrigerator heat inside is taken out through :
(A)Capacitor
(B)Condenser
(C )Evaporator
(D)Compressor
70.Germanium and silicon are generally used as :
(A)Conductors
(B)Insulators
(C )Semi Conductors
(D)Resistors
(C ) Commutator
(D) Rocker arm
71. In alternators supply is taken out through :
(A) Slip rings
(B) Split rings
72.Which of the following is the strongest diamagnetic material ?
(A) Iron
(B) Steel
(C ) Bismuth
(D) Aluminium
73.In a single phase motor, a centrifugal switch is used to disconnect:
(A) Supply
(B) Running winding
(C ) Starting winding
(D) None of the above
74.Which of the following is used as power factor compensator ?
(A) Inductor
(B) Capacitor
(C ) Resistor
(D) Conductor
75.In a shunt motor, shunt winding is connected______with armature winding.
(A) Series
(B) Series parallel
(C ) Compensating winding
(D) Parallel
76.Which of the following materials is used for making brushes in electrical machines ?
(A) Silver
(B) Aluminium
(C ) Graphite
(D) Iron
77.Complicated scries parallel combination of resistances are also known as :
(A) Electrical Networks
(B)Combinations
(C ) Reactive Circuits
(D) Tuned Circuits
78.Inductive reactance can be calculated by :
(A) XL=2fl.
(B)Xl-2fC
(C ) 2rfC
(D) Xl = 2RC
79. Magnetic lines of force travel from to inside the magnet.
(A) North to South
(B) South to East
(C ) South to West
(D) South to North
80. When an AC circuit has a relation of R=Z, which of the following statements is true ?
(A) R = XL + XC
(B) XI=SXC
(C ) R=Xl-Xc
(D)‘/=R2Xz
81. The leader of the Revolt of 1857 in Assam was :
(A)Kunwar Singh
(B)Diwan Maniram Dutla
(C )Pir Ali
(D)Piyali Baruah
82.A Malayali poet known as " The Singing Sword of Kerala", who actively participated in the temple entry satyagraha was :
(A)Kumaran Asan
(B)A.K. Gopalan
(C )Vayalar Ramavarma
(D)Subramanian Tirumumb
83.During the first twenty years of the Congress, which of the following acted as president of INC thrice :
(A)Dadabhai Naoroji
(B)S.N. Banerjee
(C )Copal Krishna Gokhale
(D)W.C. Banerjee
84.Who organised a literary' association called 'Vidhyaposhim' ?
(A)Sree Narayana Guru
(B)Kumaran Asan
(C )K. Ayyappan
(D)Chattambi Swamikal
85.Who gave the title of 'Rani' to the Naga woman leader Gaidinliu ?
(A)Subhash Chandra Bose
(B)Maltatma Gandhi
(C )Vallabhbai Patel
(D)Jawaharlal Nehru
86.The brain behind the bomb attack on Viceroy Lord Hardinge, Delhi in December 1912 was :
(A)Rash Behari Bose
(B) *Sachindranath Sanyal
(C )Bai Paramanand
(D)Bhagat Singh
87.When did Sree Narayana Guru establish Siva temple at Aruvippuram ?
(A) 1878
(B)1887
(C )1897
(D) 1898
88.The first Muslim President of the INC was :
(A)Badruddin Tyabji
(B) Abul Kalam Azad
(C )Hakkim Ajmal Khan
(D)None of these
89.Who among The following was the leader of 'Kochi Pulaya Mahasaha' ?
(A)Sahodaran Ayyappan
(B)Ayyankali
(C )K.P. Karuppan
(D)Pattam Thanupillai
90.Whom did B.G. Tilak call "The'diamond of India'' ?
(A)Mahatma Gandhi
(B)Copal Krishna Gokhale
(C )S.C. Bose
(D)Jawaharlal Nehru
91.Who among the following was the disciple of Alathur Brahmananda Sivayogi ?
(A)Vagbatananda
(B)Ayyankali
(C )Chattambi Swamikal
(D)C Krishnan
92.Mahatma Gandhi's first experiment with his technique of Satyagraha in India was :
(A)Kaira Satyagraha
(B)Champaran Satyagraha
(C )Ahmedabad Millstrike
(D)Anti-Rowlatt Act
93.The Hindustan Socialist Republican Association was founded in 1928, in :
(A) Kanpur
(B) Lahore
(C ) Delhi
(D) Allahabad
94.Who killed Michael O' Dyer, the Governor of Punjab, who had ordered the brutal firing on the innocent people at Jallianwala Bagh, Amritsar ?
(A)Madanlal Dingra
(B)Sohan Singh Bakna
(C )Kanilai Dutt
(D)Udham Singh
95.Who started 'Yogakshemasabha' ?
(A)Vakkom Moulavi
(B)T.K. Madhavan
(C )Mannath Padmanabhan
(D)None of these
96.Name the Arahic-Malayalnm Magazine started by Vakkom Abdul Qudir Moulavi ?
(A)Al-Ameen
(B)Al-lslam
(C )Al-Hilal
(D)None of these
97.Who said "Not Mercy, but service for man must be regarded as God" ?
(A)B.C. Chatterjee
(B)Vivekananda
(C ) Iswar Chandra Vidyasagar
(D) Ramakrishna Paramahansa
98.The Poona Pact was signed in :
(A) 1930
(B)1933
(C ) 1932
(D)1931
99.Who organised Abhinav Bharat a secret society of revolutionaries in Indian Freedom struggle ?
(A)Khudiram Bose
(B)Chandrasekhar Azad
(C ) V.D. Savarkar
(D) Prafulla Chaki
100.What was the main political weapon used by the nationalists against the partition of Bengal in 1905 ?
(A)Satyagraha
(B)Civil disobedience
(C )Swadeshi and boycott
(D)Non-Cooperation