A.above normal speed only
B.below normal speed only
C.in both directions
D.in one direction
Explanation: The correct answer is in both directions.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 42 of 244.
Electrical Engineering MCQs by topic
Basic Electrical MCQs121Power Electronics217Transformers132Transmission and Distribution90D.C. Motors130D.C. Generators120Polyphase Induction Motors99Single Phase Induction Motors110Synchronous Motors122Network Theorems47Economics of Power Generation98A.C. Fundamentals, Circuits and Circuit Theory109Cables57Electrolysis and Storage of Batteries119Electrostatics180Magnetic Circuit28Rectifiers and Converters58Magnetism and Electromagnetism85Electromagnetic Induction85Switchgear and Protection102OP-AMP Circuits24Heating and Welding50Earthing or Grounding11Parallel Circuits25Oscillators28Amplifiers with Negative Feedback18Transistors42Semiconductor Diode44Analog Electronics46Hybrid Parameters12Modulation and Demodulation40Control Systems100Digital Electronics36Electric Traction74Electrical Engineering Materials100Electrical Machine Design103Electronic Instruments30Field Effect Transistors - FET47Industrial Drives70Integrated Circuits15Measurement and Instrumentation109Multi-Stage Transistor Amplifiers40Power Generation121Regulated D.C. Power Supply39SCR (Silicon Controlled Rectifiers)25Semiconductor Theory35Single Stage Transistor Amplifiers38Solid-State Switching Circuits29Transistor Audio Power Amplifiers39Transistor Biasing40Transistor Tuned Amplifiers40Series-Parallel Circuits29Passive Filters20Operational Amplifier30
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Electrical Engineering MCQs
Showing page 42 of 244 · 3,658 total solved questions available.
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A.steel tape
B.none of the above
C.any of the above
D.galvanised steel wire
Explanation: The correct answer is any of the above.
Submitted by: Academy of Pakistan
A.any of the above
B.natural air cooling
C.oil cooling
D.air blast cooling
Explanation: The correct answer is oil cooling.
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A.Both passive and active filters
B.Active filter
C.Passive filter
D.None of these
Explanation: The correct answer is Both passive and active filters.
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A.shunt as well as compound motors
B.all D.C. motors
C.shunt, compound and series motors
D.shunt motors
Explanation: The correct answer is shunt as well as compound motors.
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A.hysteresis losses = eddy current losses
B.eddy current losses = copper losses
C.copper losses = iron losses
D.copper losses = hysteresis losses
Explanation: The correct answer is copper losses = iron losses.
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A.either A. or (b)
B.steam in pipes surrounded by water
C.none of the above
D.water in pipes surrounded by steam
Explanation: The correct answer is steam in pipes surrounded by water.
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A.Infinity
B.None of the above
C.Unity
D.Zero
Explanation: The correct answer is Zero.
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A.unity power factor
B.0.8 leading power factor
C.0.8 lagging power factor
D.zero power factor
Explanation: The correct answer is unity power factor.
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A.torque
B.synchronizing
C.power factor
D.obtuse
Explanation: The correct answer is torque.
Submitted by: Academy of Pakistan
A.none of the above
B.decreases
C.remains constant
D.increases
Explanation: The correct answer is increases.
Submitted by: Academy of Pakistan
A.calibration of ammeter
B.all of the above
C.calibration of voltmeter
D.measurement of current
E.measurement of resistance
Explanation: The correct answer is all of the above.
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A.8 H
B.24 H
C.6 H
D.12 H
Explanation: The correct answer is 12 H.
Submitted by: Academy of Pakistan
A.5.4 V
B.8.4 V
C.16.4 V
D.10.4 V
Explanation: The correct answer is 10.4 V.
Submitted by: Academy of Pakistan
A.Both XL and XC decrease
B.Both XL and XC increase
C.XL increases and XC decreases
D.XL decreases and XC increases
Explanation: The correct answer is XL increases and XC decreases.
Submitted by: Academy of Pakistan