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.Management Sciences
Category: Electrical Engineering Mcqs
Which of the following motor will give relatively high starting torque ___________?
A. Capacitor start motor
B. Capacitor run motor
C. Split phase motor
D. Shaded pole motor
The thermal efficiency of the engine with condenser as compared to without condenser, for a given pressure and temperature of steam, is_____________?
A. higher
B. lower
C. same as long as initial pressure and temperature is unchanged
D. none of the above
The capacity of capacitor bank used in power factor correction is expressed in terms of____________?
A. kW
B. kVA
C. kVAR
D. volts
The Q of a tuned circuit refers to the property of_______________?
A. Sensitivity
B. Fidelity
C. Selectivity
D. None of the above
Digital circuit can be made by the repeated use of________________?
A. OR gates
B. NOT gates
C. NAND gates
D. None of the above
Ohm’s law is not applicable to__________?
A. semi-conductors
B. D. C. circuits
C. small resistors
D. high currents
D.C. motor is to a drive a load which is almost nil for certain part of the load cycle and peak value for short duration. We will select this______________?
A. series motor
B. shunt motor
C. compound motor
D. any of the above
A.C cannot be used for_______________?
A. producing heat
B. producing light
C. magnetizing and electroplating
D. all the above
The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?
A. Transistor
B. Biasing circuit
C. Collector supply VCC
D. None of the above
Silicon controlled rectifier can be turned on____________?
A. By applying a gate pulse and turned off only when current becomes zero
B. And turned off by applying gate pulse
C. By applying a gate pulse and turned off by removing the gate pulse
D. By making current non zero and turned off by making current zero
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