A.none of the above
B.short-circuit in the winding
C.worn bearings
D.open-circuit in the winding
Explanation: The correct answer is worn bearings.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 178 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 178 of 244 · 3,658 total solved questions available.
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A.it can be turned OFF but not ON with a gate pulse.
B.it can be turned ON only during one half cycle of an AC.
C.it can be turned ON but not OFF with a gate pulse.
D.it conducts only during one half cycle of an alternating current wave.
Explanation: The correct answer is it can be turned ON but not OFF with a gate pulse..
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A.BJT
B.TRIAC
C.SIT
D.IGBT
Explanation: The correct answer is SIT.
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A.Diesel locomotives
B.Electric locomotives
C.Equal in all of the above
D.Steam locomotives
Explanation: The correct answer is Diesel locomotives.
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A.lagging, leading and unity power factors
B.leading power factor only
C.unity power factor only
D.lagging power factor only
Explanation: The correct answer is lagging, leading and unity power factors.
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A.Ceramic capacitor
B.Paper capacitor
C.None of the above
D.Air capacitor
Explanation: The correct answer is Ceramic capacitor.
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A.natural draught system
B.forced draught system
C.induced draught system
D.balanced draught system
Explanation: The correct answer is balanced draught system.
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A.High power current control
B.Low power phase control
C.High power phase control
D.Low power current control
Explanation: The correct answer is High power phase control.
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A.pole strength
B.vector quantity
C.scalar quantity
D.universal constant
Explanation: The correct answer is vector quantity.
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A.Sign and magnitude and one’s complement only
B.Two’s complement only
C.All three representations
D.Two’s complement and one’s complement only
Explanation: The correct answer is All three representations.
Submitted by: Academy of Pakistan
A.none of the above
B.constant torque drive
C.constant voltage drive
D.constant current drive
Explanation: The correct answer is constant torque drive.
Submitted by: Academy of Pakistan
A.Direct
B.Transformer
C.RC
D.Impedance
Explanation: The correct answer is Transformer.
Submitted by: Academy of Pakistan
A.100,000
B.1000
C.100
D.101
Explanation: The correct answer is 101.
Submitted by: Academy of Pakistan
A.is the same as that of the immediately preceding pole
B.is the same as that of the main pole ahead
C.is opposite to that of the main pole ahead
D.is neutral as these poles do not play part in generating e.m.f.
Explanation: The correct answer is is the same as that of the main pole ahead.
Submitted by: Academy of Pakistan
A.none
B.three
C.four
D.two
Explanation: The correct answer is none.
Submitted by: Academy of Pakistan