Electric Drives Questions and Answers, Set 29

Electric Drives Questions and Answers


Q1. 
Which type of motor is used for milling and grinding operations?

Answer : 
SCIM


Q2. 
Which device is used to store the energy during load equalization?

Answer :
Flywheel


Q3. 
BLDC motor is analogous to ______

Answer :
Permanent magnet synchronous motor

Q4. 
An infinite bus-bar has _____

Answer :
Constant voltage and frequency


Q5. 
The principle of Boost converter can be applied for the regenerative braking.

Answer : 
True


Q6. 
SCR is unipolar.

Answer : 
False


Q7. 
R-L-C overdamped loads are generally lagging power factor loads.

Answer : 
True


Q8. 
Holding current of the SCR is ______

Answer : 
< than latching current


Q9. 
Which of the following is used to protect SCR from d(i)/d(t) condition?

Answer : 
Inductor


Q10. 
The use of inductor in CSI is to make source current constant.

Answer : 
True





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