A.20 to 30 sec
B.none of the above
C.5 to 10 sec
D.1.5 sec
E.5 to 20 sec
Explanation: The correct answer is 5 to 10 sec.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 94 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 94 of 244 · 3,658 total solved questions available.
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A.drooping voltage characteristics
B.linear voltage characteristics
C.identical voltage characteristics
D.rising voltage characteristics
Explanation: The correct answer is drooping voltage characteristics.
Submitted by: Academy of Pakistan
A.less in comparison with the armature mmf
B.large in comparison with the armature mmf
C.none of the above
D.equal to that of armature mmf
Explanation: The correct answer is large in comparison with the armature mmf.
Submitted by: Academy of Pakistan
A.high
B.none of the above
C.low
D.almost zero
Explanation: The correct answer is high.
Submitted by: Academy of Pakistan
A.Induction meters
B.Mercury motor meters
C.None of the above
D.Commutator motor meters
Explanation: The correct answer is Induction meters.
Submitted by: Academy of Pakistan
A.excessive accumulation of sediment
B.lead particles forming circuit between positive and negative plates
C.faulty separators
D.buckling of plates
E.any one of above
Explanation: The correct answer is any one of above.
Submitted by: Academy of Pakistan
A.power factor of power drawn by the motor
B.all of the these
C.applied voltage of the motor
D.none of the these
E.motor speed
Explanation: The correct answer is power factor of power drawn by the motor.
Submitted by: Academy of Pakistan
A.good corrosion resistance
B.good mechanical strength
C.all of the above
D.easy solderable and drawable quality
E.lowest temperature co-efficient
Explanation: The correct answer is all of the above.
Submitted by: Academy of Pakistan
A.drain voltage
B.gate current
C.gate voltage
D.source voltage
Explanation: The correct answer is gate voltage.
Submitted by: Academy of Pakistan
A.Damper winding
B.Resistance starter in the armature circuit
C.Star-delta starter
D.Damper winding in conjunction with star-delta starter
Explanation: The correct answer is Damper winding in conjunction with star-delta starter.
Submitted by: Academy of Pakistan
A.11 kV
B.6.6 kV
C.8.8 kV
D.13.2 kV
Explanation: The correct answer is 8.8 kV.
Submitted by: Academy of Pakistan
A.Acceptor ions
B.Donor ions
C.None of the above
D.Holes and electrons
Explanation: The correct answer is Holes and electrons.
Submitted by: Academy of Pakistan
A.Cast steel
B.Aluminium
C.Cast iron
D.Soft steel
Explanation: The correct answer is Cast iron.
Submitted by: Academy of Pakistan
A.ratio of net reactance and impedance
B.ratio of W and VA
C.ratio of kW and kVA
D.ratio of J and Z
Explanation: The correct answer is ratio of net reactance and impedance.
Submitted by: Academy of Pakistan
A.peak value to r.m.s. value
B.average value to r.m.s. value
C.r.m.s. value to average value
D.none of the above
Explanation: The correct answer is r.m.s. value to average value.
Submitted by: Academy of Pakistan