A.80 percent magnesia
B.Asbestos paper
C.Diatomaceous earth
D.Cork
Explanation: The correct answer is Diatomaceous earth.
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 68 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 68 of 244 · 3,658 total solved questions available.
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A.Paramagnetic materials
B.Ferrites
C.Diamagnetic materials
D.Ferromagnetic materials
Explanation: The correct answer is Ferrites.
Submitted by: Academy of Pakistan
A.All of the above
B.The amount of heat generated can be controlled accurately
C.The area of the surface over which heat is produced can be accurately controlled
D.Heat at very high rate can be gene-rated
Explanation: The correct answer is All of the above.
Submitted by: Academy of Pakistan
A.Ceiling fan
B.Mixer grinder
C.Room heater
D.Electric clock
Explanation: The correct answer is Room heater.
Submitted by: Academy of Pakistan
A.alternator
B.synchronous condenser
C.generator
D.induction motor
Explanation: The correct answer is synchronous condenser.
Submitted by: Academy of Pakistan
A.Shunt motor
B.Series motor
C.Cumulatively compounded motor
D.Differentially compounded motor
Explanation: The correct answer is Cumulatively compounded motor.
Submitted by: Academy of Pakistan
A.draining steam from the turbine
B.all above
C.heaters
D.exhaust gases
Explanation: The correct answer is draining steam from the turbine.
Submitted by: Academy of Pakistan
A.infinite resistance and zero inductance
B.zero resistance and high inductance
C.zero resistance and inductance
D.infinite resistance and normal inductance
Explanation: The correct answer is infinite resistance and zero inductance.
Submitted by: Academy of Pakistan
A.donor ions
B.holes
C.free electrons
D.acceptor ions
Explanation: The correct answer is holes.
Submitted by: Academy of Pakistan
A.rate of change of flux-linkages
B.flux density of the magnetic field
C.amount of flux linkages
D.amount of flux cut
Explanation: The correct answer is rate of change of flux-linkages.
Submitted by: Academy of Pakistan
A.resistance : ohm
B.inductance : farad
C.lumen : steradian
D.capacitance : henry
Explanation: The correct answer is resistance : ohm.
Submitted by: Academy of Pakistan
A.Air
B.Plastic film
C.Mica
D.Ceramic
Explanation: The correct answer is Mica.
Submitted by: Academy of Pakistan
A.Attract each other
B.Repel each other
C.Have no effect on each other
D.None of the above
Explanation: The correct answer is Attract each other.
Submitted by: Academy of Pakistan
A.ß = (1 – a ) / a
B.ß = a / (1 – a )
C.ß = 1 / (1 – a )
Explanation: The correct answer is ß = a / (1 – a ).
Submitted by: Academy of Pakistan
A.all above factors
B.amount of moisture
C.type of soil chemicals
D.type of metals
Explanation: The correct answer is all above factors.
Submitted by: Academy of Pakistan