Junior Instructor Wireman Industrial Training 593/2017 Answer Key

electrician

Post: Junior Instructor Wireman
Department: Industrial Training
Category Code: 593/17
Qualification: SSLC + National Trade Certificate
Date of Test: 06-03-2019


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  1. How is an ammeter connected in a circuit?
    • Parallel
    • Series
    • Series - parallel
    • None of these

  2. BOT unit is _________
    • Joule
    • Newton
    • KWh
    • Watt

  3. The temp. resistance coefficient is represented in the form of
    • ohm/ohm
    • ohm/°c
    • ohm/ohm/°c
    • None of these

  4. Ohm is the unit of
    • Resistance
    • Capacitive reactance
    • Inductive reactance
    • All of these

  5. 3 resistors are connected in series across a 27V supply. The second resistor has twice the resistance of the first.The third one has three times the resistance of the second. Find the voltage across the third resistance
    • 3V
    • 6V
    • 9V
    • 18V

  6. A safety sign circular in shape, white symbol on blue background is a
    • Prohibition sign
    • Mandatory sign
    • Warning sign
    • Information sign

  7. Respiratory protective equipment comes under
    • PPE3
    • PPE6
    • PPE1
    • PPE7

  8. Gas and liquefiable gases come under _________ class of fire.
    • Class D
    • Class C
    • Class B
    • Class A

  9. The saw used for cutting thin wooden accessories like wooden batten round blocks casing capping etc. is
    • Handsaw
    • Hacksaw
    • Tenon saw
    • None of these

  10. The curved part of a file separating the tang from body is
    • Face
    • Edge
    • Tang
    • Shoulder

  11. The angle of punch which is used for witness marks is
    • 60°
    • 30°
    • 45°
    • 90°

  12. Arc heating occurs when the air between electrodes of opposite polarities become
    • moistened
    • dry
    • ionised
    • none of these

  13. _________ calipers are used for marking and layout works.
    • Jenny calipers
    • Outside calipers
    • Inside calipers
    • Firm joint calipers

  14. EPROM stands for
    • Electrically Programmable Read Only Memory
    • Erasable Programmable Read Only Memory
    • Electrically Programmable Random Only Memory
    • Erasable Processors Read Only Memory

  15. A wire measuring 1mm diameter has a cross sectional area of ________
    • 1 mm2
    • 1 cm2
    • 0.78 mm2
    • 0.87 mm2

  16. The torque producing movement of the pointer in an indicating instrument is
    • deflecting
    • controlling
    • distracting
    • damping

  17. In an instrument the pointer comes slowly to its final deflected position if the instrument is ________ damped.
    • not
    • over
    • critically
    • under

  18. An electrical circuit that has infinity resistance is called _________ circuit.
    • an open
    • a short
    • a ground
    • either "a short " or "a ground"

  19. No. of light points admissible in one circuit are
    • 4 points of 400w each
    • 4 points of 600w each
    • 8 points of 100w each
    • 8 points of 200w each

  20. No. of screws to be used for fixing a round block
    • 1 No
    • 2 Nos
    • 3 Nos
    • 4 Nos

  21. In this wiring, to operate 3 lamps in all we require 6 two-way switches is
    • Godown wiring
    • Tunnel wiring
    • Hostel wiring
    • Corridor wiring

  22. Size of copper plate electrode for plate earthing is
    • 60×60 cm×6.3 mm
    • 60×60 cm×3.15 mm
    • 30×30 cm×6.3 mm
    • 30×30 cm×3.15 mm

  23. The unit of luminous flux is
    • lumen
    • candle power
    • lux
    • meter candle

  24. To increase the range of an ammeter ________ is used.
    • C.T.
    • multiplier
    • shunt
    • P.T.

  25. Extension of MS Word file is
    • .doc
    • .xls
    • .text
    • .ppt

  26. Which one of the following is a basic unit of MS Excel?
    • Row
    • Column
    • Cell
    • Word

  27. Isolation of fire from the supply of oxygen by blanketing it with foam, sand etc. comes under which fire extinguishing method
    • Starving
    • Smothering
    • Cooling
    • Blanketing

  28. Edison screw type lamp holders are used for lamp with _________ wattage range.
    • above 600 w
    • upto 200 w
    • above 200 w below 600 w
    • above 200 w below 300 w

  29. To increase the ampere hour rating, the cells are to be connected in
    • parallel
    • series parallel
    • parallel series
    • series

  30. "Don't try to stop a running machine with hands" comes under
    • General safety
    • Personal safety
    • Machine safety
    • Social safety

  31. The ripple factor of a power supply is a measure of
    • Its voltage regulation
    • Diode rating
    • Its filter efficiency
    • Purity of power output

  32. The function of a commutator in a DC generator is
    • To change DC to AC
    • To collect current from conductors
    • To change AC to DC
    • To conduct the current to the brushes

  33. The field coils of a DC generator are usually made of
    • Carbon
    • Copper
    • Cast iron
    • Graphite

  34. In a two point starters the series resistors is required for
    • To limit the starting current
    • Starting the motor
    • To limit the back emf
    • To give heavy current at starting

  35. In two watt meter method of measuring three phase power one of the watt meter shows zero reading what would be the value of the power factor in this case
    • 1
    • 0.5
    • zero
    • 1.5

  36. Rotor of an induction motor runs always
    • At synchronous speed
    • At more than synchronous speed
    • At less than synchronous speed
    • In opposite direction to the field

  37. The difference between the synchronous speed and the actual rotor speed is called
    • Fractional slip
    • Slip speed
    • Rotor speed
    • Actual rotor speed

  38. The slip of an induction motor will be low when
    • Rotor Resistance is low
    • Friction loss is low
    • Windage loss is low
    • Rotor resistance is high

  39. The split rings are made of
    • Brass
    • Gunmetal
    • Bronze
    • Hard drawn copper

  40. Which motor should not be started on no load?
    • Shunt motor
    • Cumulative compound motor
    • Series motor
    • Differential compound motors

  41. The barrier potential for a silicon PN junction is _______V.
    • 0.3 V
    • 0.7 V
    • 0.2 V
    • 0.5 V

  42. In which DC generator the armature and field current will be equal?
    • Shunt
    • Long shunt compound
    • Short shunt compound
    • Series

  43. Which type of starter used to start both shunt and compound DC motor?
    • Three pointer starter
    • Two point starter
    • DOL starter
    • Star-delta starter

  44. When the speed of alternator increases the frequency?
    • Decreases
    • Increases
    • Remains same
    • None of these

  45. Alternators are rated in
    • KW
    • KWH
    • KVA
    • Full load current

  46. Most widely used transformer oil is
    • Animal oil
    • Cooking oil
    • Vegetable oil
    • Mineral oil

  47. The line insulators are made up to
    • Mica
    • Porcelain clay
    • Asbestos
    • Ceramic

  48. Epoxy compound used with underground cable does not need
    • Heating
    • Armouring
    • Insulation
    • Core

  49. The chemical used in breather is
    • Copper sulphate
    • Sodium chloride
    • Silica gel
    • Potassium chloride

  50. Graphite is used in nuclear power plant as a
    • Fuel
    • Coolant
    • Electrode
    • Moderator

  51. Which of the following power plants is free from environmental problems?
    • Diesel engine
    • Nuclear power plant
    • Hydro electric power plant
    • Steam power plant

  52. Which type of insulator is used in stay wire?
    • Egg type
    • Pin type
    • Shackle type
    • Suspension type

  53. Which of the following power plant has the maximum capital cost?
    • Steam power plant
    • Nuclear power plant
    • Hydro electric power plant
    • Diesel power plant

  54. The working principle of a transformer is
    • Static induction
    • Self induction
    • Mutual induction
    • None of these

  55. The colour of neutral wire of a cable is
    • Red
    • Yellow
    • Orange
    • Black

  56. The amount of matter in a body is called
    • mass
    • weight
    • density
    • none of these

  57. The rate of change of position in a particular direction is called
    • speed
    • velocity
    • acceleration
    • none of these

  58. The volume of a hemisphere is
    • (4/3) πr3
    • (3/3) πr3
    • (2/3) πr3
    • (1/3) πr3

  59. Perimeter of a circle is
    • 1πr
    • 2πr
    • 3πr
    • 4πr

  60. One gallon is
    • 1.546 litres
    • 2.546 litres
    • 3.546 litres
    • 4.546 litres

  61. 60 Km/hr into m/sec is
    • 10.66 m/sec
    • 12.66 m/sec
    • 14.66 m/sec
    • 16.66 m/sec

  62. The property of material to be drawn into thin sheets without fracture is
    • Ductility
    • Malleability
    • Machinability
    • None of these

  63. The multiplication 0.1 × 0.001 is equal to
    • 0.1
    • 0.01
    • 0.001
    • 0.0001

  64. Multiply 6/13 by the reciprocal of 9/16 is equal to
    • 96/117
    • 32/39
    • 54/208
    • None of these

  65. (3ab)2 is equal to
    • 3a2b2
    • 9a2b2
    • 3ab2
    • None of these

  66. One radian measure is equal to
    • 90°/π
    • 180°/π
    • 270°/π
    • 360°/π

  67. Sinθ is equal to
    • Opposite side / adjecent side
    • Adjecent side / hypotenus
    • Opposite side / hypotenus
    • None of these

  68. The value of 1/tan45 is equal to
    • 0
    • 1
    • 45
    • 1/45

  69. The value of sin260 + cos260 is equal to
    • 0
    • 1
    • 1/2
    • 2/3

  70. Heat is a form of
    • Work
    • Power
    • Energy
    • None of these

  71. Conventional representation of 1st angle and 3rd angle projection includes
    • Two eccentric circles
    • Two concentric circles
    • Two circle of same diameter
    • None of these

  72. 700×500×15 mm drawing board designated by
    • D0
    • D1
    • D2
    • D3

  73. 594×841 trimmed size of drawing sheet designated by
    • A0
    • A1
    • A2
    • A3

  74. In 3rd angle projection the Top view (plan) is drawing
    • Right side of elevation
    • Left side of elevation
    • Below the elevation
    • Above the elevation

  75. In 1st angle projection the end view from right side of an object is drawing
    • Right side of elevation
    • Left side of elevation
    • Right side of plan
    • Left side of plan

  76. The symbol represent
    • A.C. Motor
    • D.C. Motor
    • A.C. Generator
    • D.C. Generator

  77. The angle of isometric axis is
    • 270°
    • 120°
    • 360°
    • 130°

  78. The number of a pentagon is
    • 3
    • 4
    • 5
    • 6

  79. The isometric view of a circle is
    • Parabola
    • Ellipse
    • Triangle
    • Rectangle

  80. The length of an arrow head is
    • Same as width
    • Two times of width
    • Three times of width
    • Four times of width

  81. How many women members were there in the Indian Constituent Assembly?
    • 12
    • 15
    • 18
    • 19

  82. Who among the following was a martyr in Paliyam Satyagraha?
    • A.G. Velayudhan
    • T.K. Narayana Pillai
    • R.K. Shanmukhan Chetti
    • Kalkulam Govindan

  83. The capital of Venezuela is
    • La Paz
    • Buenos Aires
    • Lima
    • Caracas

  84. Who is the author of the Malayalam Drama "Ningalenne Communistakki"?
    • K. Damodaran
    • N.N. Pillai
    • Thoppil Bhasi
    • V.T. Bhattatirippad

  85. Who gave the name "Brahmananda Sivayogi" to Karat Govindankutty Menon?
    • Chengalath Kunhirama Menon
    • Dr. Ayyathan Gopalan
    • Manjeri Rama Iyyer
    • Puliyampatta Kunhikrisha Menon

  86. Which Article of the Indian Constitution ensures Freedom of Press in India?
    • Article 17
    • Article 21
    • Article 29
    • Article 19

  87. "Pottiya Ezhakal", a collection of Malayalam stories is of __________.
    • Malayattoor Ramakrishnan
    • M.B. Bhattatirippad
    • Ponkunnam Varkey
    • Balamaniyamma

  88. Name the President of the People's Republic of China.
    • Xi Jinping
    • Wei Fenghe
    • Pham Binh Minh
    • Nguyen Xuan Phuc

  89. In which case did the Supreme Court hold that the Preamble is not the part of the Constitution of India?
    • Kesavananda Bharati State of Kerala, 1973
    • The Berubari Union Case, 1961
    • Indira Gandhi vs. Raj Narain, 1975
    • Mc Mehta v. Union of India, 1986

  90. Who among the following was not the leading activist of the PRDS founded by Poikayil Yohannan?
    • Simon Yohannan
    • Vellikkara Mathai Upadeshi
    • Kalayil Pathrose Mooppan
    • Kocheeppan Tharakan

  91. The "Hindu Pulaya Samajam" was founded in 1917 by ___________.
    • Pandit K.P. Karuppan
    • Mahatma Ayyankali
    • Karumban Daivathan
    • Vellikkara Chothi

  92. The political party of Imran Khan that came to Pakistan in August 2018 is __________.
    • Tehreek-al-Islam
    • Hizb-e-Refah e Insaf
    • Tehreek-e-Insaf
    • Hezb-e-Congra-e Pakistan

  93. The editor of the "Mithavadi" who campaigned against untouchability was _________.
    • C. Krishnan
    • K. Ayyappan
    • A.R. Menon
    • E. Ikkanda Warrier

  94. As per the Constitution of India which right cannot be taken away during Emergency?
    • Right against exploitation
    • Right to personal liberty
    • Right to freedom of religion
    • Right to equality

  95. The socio-religious reformer of Kerala who exhorted the workers not to work without wages was _____________.
    • Sree Narayana Guru
    • Chattampi Swamikal
    • Vagbhatananda
    • Vaikunda Swamikal

  96. The social reformer known as "Vaikom Veeran" was
    • Mannath Padmanabhan
    • K. Kelappan
    • E.V. Ramaswamy Naikar
    • A.K. Gopalan

  97. The Diwan of Travancore who issued an order permitting Channar women who became converts to Christianityto cover their bodies with jackets was
    • Col. Munro
    • Muhammad Habibullah
    • C.P. Ramaswami Iyer
    • M.E. Watts

  98. The constitutional principle of the basic structure was invented by the __________.
    • Legislature
    • Judiciary
    • President of India
    • Executive

  99. Which book is considered as the "Bible of Ayyavazhi"?
    • Vedadikara Nirupanam
    • Mokshapradeepam
    • Narayana Pandaram
    • Akhilathiruttu Ammanai

  100. The captain of the Volunteer Corps of the Guruvayur Satyagraha was
    • P. Krishna Pillai
    • K. Kelappan
    • A.K. Gopalan
    • M.C. Janardhana Pillai

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