A.A 100 H.P. AC. three phase motor
B.Four motors of 25 H.P. each
C.Ten motors of 10 H.P. each
D.Five motors of 20 H.P. each
Explanation: The correct answer is A 100 H.P. AC. three phase motor.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 27 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 27 of 244 · 3,658 total solved questions available.
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A.Both rectifiers provide negative current to the load
B.Both rectifiers provides positive current to the load
C.One rectifiers provide positive current to the load and the other negative current
D.One rectifier provide positive current to the source and the other negative current to the load
Explanation: The correct answer is Both rectifiers provides positive current to the load.
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A.for induction heating
B.for dielectric heating
C.as a device for power factor improvement
D.as an insulator
Explanation: The correct answer is as an insulator.
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A.DC switch
B.Square wave switch
C.Both a and B
D.AC switch
Explanation: The correct answer is DC switch.
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A.retentivity
B.susceptibility
C.none of the above
D.resistivity
Explanation: The correct answer is retentivity.
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A.Avoid voltage gain drop
B.Reduce noise in the amplifier
C.Forward bias the emitter
D.None of the above
Explanation: The correct answer is Avoid voltage gain drop.
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A.L and C
B.R, L and C
C.None of the above
D.R and C
Explanation: The correct answer is R and C.
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A.None of the above
B.AND gate
C.OR gate
D.NAND gate
Explanation: The correct answer is NAND gate.
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A.compound motors
B.shunt motors
C.series motors
D.none of the above
Explanation: The correct answer is shunt motors.
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A.same as running torque
B.slightly more than running torque
C.less than running torque
D.double the running torque
Explanation: The correct answer is less than running torque.
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A.D.C. only
B.any of the above
C.A.C. only
D.both D.C. and A.C.
Explanation: The correct answer is both D.C. and A.C..
Submitted by: Academy of Pakistan
A.apparent power is more than actual power
B.reactive power is more than actual power
C.reactive power is more than apparent power
D.actual power is more than reactive power
Explanation: The correct answer is apparent power is more than actual power.
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A.remains constant at all loads
B.varies with the load
C.varies with power factor
D.varies with speed
Explanation: The correct answer is remains constant at all loads.
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A.Shunt motor
B.Differentially compounded motor
C.Cumulatively compounded motor
D.Series motor
Explanation: The correct answer is Series motor.
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A.Greater than one
B.Of zero
C.Equal to one
D.Less than one
Explanation: The correct answer is Greater than one.
Submitted by: Academy of Pakistan