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.Management Sciences
Category: Electrical Engineering Mcqs
Steam turbines commonly used in steam power station are__________?
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A. condensing type
B. non-condensing type
C. none of the above
If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is _____________biased?
A. forward
B. reverse
C. either forward or reverse
D. none of the above
The push-pull circuit must use ______________ operation?
A. Class A
B. Class C
C. Class B
D. Class AB
During reverse recovery time__________________?
A. charge carrier of junction J2 recombined
B. charge carrier of junction J1 is swept out
C. charge carrier of junction J3 is swept out
D. both B and C
The commutator segments are connected to the armature conductors by means of___________?
A. copper lugs
B. resistance wires
C. insulation pads
D. brazing
Cables, generally used beyond 66 kV are___________?
A. oil filled
B. S.L. type
C. belted
D. armoured
In a D.C. machine, the value of peripheral speed should not, normally, exceed___________?
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s
Millman’s theorem yields____________?
A. equivalent resistance
B. equivalent impedance
C. equivalent voltage source
D. equivalent voltage or current source
Carbon electrodes are not used in_______________?
A. GLS lamps
B. electric arc furnace
C. dry cells
D. cinema projectors
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