A.Split-phase motor
B.Repulsion motor
C.Shaped pole motor
D.Capacitor-start motor
Explanation: The correct answer is Capacitor-start motor.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 44 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 44 of 244 · 3,658 total solved questions available.
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A.power factor is decreased
B.speed of the motor is reduced
C.none of the above
D.Er (net resultant voltage) in armature is increased
E.Eb (back e.m.f.) becomes less than V (applied voltage)
Explanation: The correct answer is Er (net resultant voltage) in armature is increased.
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A.Nuclear
B.Hydro
C.Diesel
D.Thermal
Explanation: The correct answer is Hydro.
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A.high temperature inside the rectifier
B.energy spent in overcoming the electrostatic field
C.high ionization potential
D.self restoring property of mercury
Explanation: The correct answer is energy spent in overcoming the electrostatic field.
Submitted by: Academy of Pakistan
A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor e.m.f. will be________?
0A.0.2 Hz
B.2 Hz
C.200 Hz
D.50 Hz
Explanation: The correct answer is 2 Hz.
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A.Directly proportional to Vm of supply voltage
B.Both A and C
C.Inversely proportional to Vm of supply voltage
D.Inversely proportional to L in the circuit
Explanation: The correct answer is Directly proportional to Vm of supply voltage.
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A.none of the above
B.D.C. energy meter
C.D.C. ammeter hour meter
D.D.C. ammeter
Explanation: The correct answer is D.C. ammeter hour meter.
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A.none of the above
B.both high and low excitation
C.low excitation only
D.high excitation only
Explanation: The correct answer is both high and low excitation.
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A.the size of the capacitor being quite big
B.the capacitive reactance in ohms
C.the current flowing in capacitor
D.the statement is incorrect
Explanation: The correct answer is the statement is incorrect.
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A.the current can lead or lag by 90°
B.the current lags behind the voltage by 90°
C.the current leads the voltage by 90°
D.the current is in phase with the voltage
Explanation: The correct answer is the current lags behind the voltage by 90°.
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A.two molecules
B.two atoms
C.two metal particles
D.two ions
Explanation: The correct answer is two ions.
Submitted by: Academy of Pakistan
A.None of the above
B.Sinusoidal wave
C.Cosine wave
D.Sawtooth wave
Explanation: The correct answer is Sawtooth wave.
Submitted by: Academy of Pakistan
A.Eye bolt
B.Equilizer rings
C.Commutator
D.Dummy coils
Explanation: The correct answer is Commutator.
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A.its mechanical strength is high
B.it has good residual magnetism
C.its hysteresis loop has large area
D.its mechanical strength is low
Explanation: The correct answer is it has good residual magnetism.
Submitted by: Academy of Pakistan
A.the magnetic lines of force will bend away from their usual paths in order to go away from the piece
B.the iron piece will break
C.the magnetic field will not be affected
D.the magnetic lines of force will bend away from their usual paths in order to pass through the piece
Explanation: The correct answer is the magnetic lines of force will bend away from their usual paths in order to pass through the piece.
Submitted by: Academy of Pakistan