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.Management Sciences
Category: Electrical Engineering Mcqs
Method which is commonly applied for unloading the coal for small power plant is___________?
A. lift trucks
B. coal accelerators
C. tower cranes
D. belt conveyor
An SCR is made of silicon and not germanium because silicon _________________?
A. Is inexpensive
B. Is mechanically strong
C. Has small leakage current
D. Is tetravalent
According to Kirchhoffs voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always____________?
A. negative
B. positive
C. determined by battery e.m.fs.
D. zero
If a third equal and similar charge is placed between two equal and similar charges, then this third charge will_____________?
A. move out of the field of influence of the two charges
B. remain in stable equilibrium
C. not be in equilibrium
D. be in unstable equilibrium
Reluctance motor is a________________?
A. variable torque motor
B. low torque variable speed motor
C. self starting type synchronous motor
D. low noise, slow speed motor
What may happen high dV / dt____________?
A. Unwanted turn ON
B. Breakdown of J2 junction
C. Both A and B
D. Anyone of these
For frequencies above the resonant frequency , a series LC circuit behaves as a ____________load?
A. Resistive
B. Inductive
C. Capacitive
D. None of the above
Class C amplifiers are used as ___________________?
A. AF amplifiers
B. Detectors
A. amplifiers
C. None of the above
Voltage Series feedback also called series-shunt feedback) results in__________?
A. Increase in both input & output impedances
B. Decreases in both input & output impedances
C. Increase in input impedance & decreases in output impedance
D. Decrease in input impedance & increase in output impedance
The ability of an electronic system to function properly in its intended electromagnetic environment and should not be a source of pollution to that electromagnetic environment is known as____________?
A. Susceptibility
B. Emission
C. Interference
D. Electromagnetic compatibility
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