A.80 dB
B.answers (A) and (B)
C.1225
D.10,000
Explanation: The correct answer is answers (A) and (B).
Submitted by: Academy of Pakistan
Electrical Engineering MCQs: 3,658 practice questions with answer choices and available explanations. Page 240 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 240 of 244 · 3,658 total solved questions available.
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A.human waste
B.all above
C.wet livestock waste
D.wet cow dung
Explanation: The correct answer is all above.
Submitted by: Academy of Pakistan
A.— (5)10
B.(41 )10
C.(37)10
D.( 69)10
Explanation: The correct answer is (37)10.
Submitted by: Academy of Pakistan
A.low melting point and -low specific resistance
B.low melting point and any specific resistance
C.low melting point and high specific resistance
D.high melting point and low specific resistance
Explanation: The correct answer is low melting point and high specific resistance.
Submitted by: Academy of Pakistan
A.storing very high currents
B.preventing a short circuit between conducting wires
C.conducting very large currents
D.preventing an open circuit between the voltage source and the load
Explanation: The correct answer is preventing a short circuit between conducting wires.
Submitted by: Academy of Pakistan
A.colour
B.specific gravity
C.mass
D.viscosity
Explanation: The correct answer is specific gravity.
Submitted by: Academy of Pakistan
A.Synchronous motor
B.Universal motor
C.Induction motor
D.Schrage motor
Explanation: The correct answer is Synchronous motor.
Submitted by: Academy of Pakistan
A.one-third
B.six times
C.nine times
D.thrice
E.twice
Explanation: The correct answer is thrice.
Submitted by: Academy of Pakistan
A.Melting of ferrous metals
B.Drying of paints and varnishes
C.Annealing of metals
D.Heating of liquids in electric kettle
Explanation: The correct answer is Drying of paints and varnishes.
Submitted by: Academy of Pakistan
A.lies in a magnetic field
B.moves parallel to the direction of the magnetic field
C.cuts magnetic flux
D.lies perpendicular to the magnetic flux
Explanation: The correct answer is cuts magnetic flux.
Submitted by: Academy of Pakistan
A.Remains the same
B.Is decreased
C.Is increased
D.None of the above
Explanation: The correct answer is Is decreased.
Submitted by: Academy of Pakistan
A.deflection angle
B.sine of deflection angle
C.balancing weight
Explanation: The correct answer is sine of deflection angle.
Submitted by: Academy of Pakistan
A.either of the above depending on voltage
B.from shaded pole to main pole
C.either of the above depending on power factor
D.from main pole to shaded pole
Explanation: The correct answer is from main pole to shaded pole.
Submitted by: Academy of Pakistan
A.is always present
B.is always absent
C.none of the above
D.may be sometimes present
Explanation: The correct answer is is always present.
Submitted by: Academy of Pakistan
A.Brake test
B.Hopkinson’s test
C.Swinburne’s test
D.Field test
Explanation: The correct answer is Field test.
Submitted by: Academy of Pakistan