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Electrical Engineering

Industrial Drivers MCQs

Practice Industrial Drivers MCQs for competitive exams.

Industrial Drivers MCQs

Practice questions from this topic.

Heavy duty cranes are used in

  1. A. Ore handling plants
  2. B. Steel plants
  3. C. Heavy engineering workshops
  4. D. All of the above
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The capacity of a crane is expressed in terms of

  1. A. Type of drive
  2. B. Span
  3. C. Tonnes
  4. D. Any of the above
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The size of an excavator is usually expressed in terms of

  1. A. "Crowd" motion
  2. B. Angle of swing
  3. C. Cubic meters
  4. D. Travel in meters
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For a particular application the type of electric and control gear are determined by which of the following considerations?

  1. A. Starting torque
  2. B. Conditions of environment
  3. C. Limitation on starting current
  4. D. All of the above
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Which of the following motors always starts on load?

  1. A. Conveyor motor
  2. B. Floor mill motor
  3. C. Fan motor
  4. D. All of the above
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Which of the following alternatives will be cheaper?

  1. A. A 100 H.P. AC. three phase motor
  2. B. Four motors of 25 H.P. each
  3. C. Five motors of 20 H.P. each
  4. D. Ten motors of 10 H.P. each
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The cost of an induction motor will increase as

  1. A. Horsepower rating increases but r.p.m. decreases
  2. B. Horsepower rating decreases but r.p.m. increases
  3. C. Horsepower rating and operating speed increases
  4. D. Horsepower rating and operating speed decreases
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In squirrel cage induction motors which of the following methods of starting cannot be used?

  1. A. Resistance in rotor circuit
  2. B. Resistance in stator circuit
  3. C. Autotransformer starting
  4. D. Star-delta starting
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Battery operated scooter for braking uses

  1. A. Plugging
  2. B. Mechanical braking
  3. C. Regenerative braking
  4. D. Rheostatic braking
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In _________ method of staging three phase induction motors the starting voltage is not reduced.

  1. A. Autotransformer
  2. B. Star-delta
  3. C. Slip ring
  4. D. Any of the above
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Heat control switches are used in

  1. A. Transformers
  2. B. Cooling ranges
  3. C. Three phase induction motors
  4. D. Single phase
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For a motor-generator set which of the following motors will be preferred?

  1. A. Synchronous motor
  2. B. Slip ring induction motor
  3. C. Pole changing induction motor
  4. D. Squirrel cage induction motor
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