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Category: Electrical Engineering Mcqs
Locomotives with monometer bogies have_________________?
A. uneven distribution of tractive effect
B. suitability for passanger as well as freight service
C. lot of skidding
D. low co-efficient of adhesion
If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be____________?
A. zero
B. small
C. large
D. none of the above
Transformers with a capacity of up to __________ have a cooling radiator system with natural cooling?
A. 2 MVA
B. 5 MVA
C. 7.5 MVA
D. 10 MVA
If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?
A. Positive
B. Zero
C. Negative
D. None of the above
The ideal OP-AMP has the following characteristics
A. Ri=∞ ,A=∞ ,R0=0
B. Ri=0 ,A=∞ ,R0=0
C. Ri=∞ ,A=∞ ,R0=∞
D. Ri=0 ,A=∞ ,R0=∞
Which of the following parameter can be neglected for a short line ?
A. Inductance
B. Capacitance
C. Resistance
D. Reactance
The presence of an uncharged conductor near a charged one increases the__________?
A. charge of the charged conductor
B. capacity of the charged conductor
C. potential of the charged conductor
D. all of the above
Which of the following capacitors will have the least variation ____________?
A. Paper capacitor
B. Ceramic capacitor
C. Silver plated mica capacitor
D. None of the above
Which of the following is the output of a thermocouple ?
A. Alternating current
B. Direct current
C. A.C. voltage
D. D.C. voltage
F. None of the above
For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?
A. Resistive
B. Capacitive
C. Inductive
D. None of the above
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