Search
.Management Sciences
Category: Electrical Engineering Mcqs
Magnetising steel is normals difficult because____________?
A. it corrodes easily
B. it has high permeability
C. it has high specific gravity
D. it has low permeability
Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct ?
A. 100 W lamp will glow brighter
B. 40 W lamp will glow brighter
C. Both lamps will glow equally bright
D. 40 W lamp will fuse
The ear is not sensitive to___________?
A. Frequency distortion
B. Amplitude distortion
C. Frequency as well as amplitude distortion
None of the above
PVC stands for____________?
A. polyvinyl chloride
B. post varnish conductor
C. pressed and varnished cloth
D. positive voltage conductor
E. none of the above
In an Anderson bridge, the unknown inductance is measured in terms of_______________?
A. known inductance and resistance
B. known capacitance and resistance
C. known resistance
D. known inductance
Five 2 V cells are connected in parallel. The output voltage is__________?
A. 1 V
B. 1.5 V
C. 1.75 V
D. 2 V
For which of the applications a reluctance motor is preferred ?
A. Electric shavers
B. Refrigerators
C. Signalling and timing devices
D. Lifts and hoists
Deaerative heating is done to_____________?
Deaerative heating is done to
A. heat the water
B. heat the air in the water
C. remove dissolved gases in the water
In a R-L-C circuit_________?
A. power is consumed in resistance and is equal to I R
B. exchange of power takes place between inductor and supply line
C. exchange of power takes place between capacitor and supply line
D. exchange of power does not take place between resistance and the supply line
E. all above are correct
In the common mode, _______________?
A. both inputs are grounded
B. the outputs are connected together
C. an identical signal appears on both the inputs
D. the output signal are in-phase
Recent Comments