A.variable load
B.windage friction
C.variable frequency
D.variable supply voltage
Explanation: The correct answer is windage friction.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 93 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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Showing page 93 of 244 · 3,658 total solved questions available.
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A.50°C
B.150°C
C.100°C
D.80°C
Explanation: The correct answer is 150°C.
Submitted by: Academy of Pakistan
A.String efficient
B.Derating factor
C.Reliability factor
D.Factor of safety
Explanation: The correct answer is Derating factor.
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A.(ß + 1) ICEO
B.ICEO
C.IC(sat)
D.ICBO
Explanation: The correct answer is ICEO.
Submitted by: Academy of Pakistan
A.to stabilize the arc
B.to imprpve, power factor
C.none of the above
D.to reduce severity of the surge
Explanation: The correct answer is to stabilize the arc.
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A.Very large
B.None of the above
C.Large
D.Small
Explanation: The correct answer is Small.
Submitted by: Academy of Pakistan
A.attracts all paramagnetic substances and repels others
B.attracts ferromagnetic substances and repels all others
C.attracts only ferromagnetic substances
D.attracts some substances and repels others
Explanation: The correct answer is attracts some substances and repels others.
Submitted by: Academy of Pakistan
A.37
B.42
C.73
D.63
Explanation: The correct answer is 37.
Submitted by: Academy of Pakistan
A.run as induction motor
B.draw excessive armature current and may burn out
C.become unstable
D.fall out of synchronism and come to stand still
Explanation: The correct answer is run as induction motor.
Submitted by: Academy of Pakistan
A.Phase of the carrier
B.Frequency of the carrier
C.May be any of the above
D.Amplitude of the carrier
Explanation: The correct answer is May be any of the above.
Submitted by: Academy of Pakistan
A.permittivity
B.conductance
C.susceptibility
D.reluctivity
Explanation: The correct answer is reluctivity.
Submitted by: Academy of Pakistan
A.None of the above
B.At saturation point
C.At the middle
D.At cut off point
Explanation: The correct answer is At the middle.
Submitted by: Academy of Pakistan
A.radium
B.all of the above
C.uranium
D.cadmium
Explanation: The correct answer is uranium.
Submitted by: Academy of Pakistan
A.Chandigarh
B.Jaipur
C.Lucknow
D.Bhopal
Explanation: The correct answer is Jaipur.
Submitted by: Academy of Pakistan
A.75, 85
B.40, 50
C.25, 35
D.60, 70
Explanation: The correct answer is 75, 85.
Submitted by: Academy of Pakistan