Electric Drives Questions and Answers, Set 30

Electric Drives Questions and Answers

Q1. 

Which type of force phenomenon is used in Sugar mills?

Answer : 

Centrifugal force

Q2. 

The Hall effect sensor is used as the rotor position sensor for the BLDC motor.

Answer :

True

Q3. 

In BLDC motor armature windings are placed on the stator side.

Answer :

True

Q4. 

Which of the following motor is used in recording instruments?

Answer : 

Reluctance motor

Q5.

Increasing the stator poles _______ the speed of Reluctance motor.

Answer :

Decreases

Q6. 

Device with highest d(i)÷d(t) and d(v)÷d(t) capability is ______

Answer : 

SITH

Q7. 

Which one of the following load is suitable for load commutation in Single phase Half-bridge inverter?

Answer : 

R-L-C underdamped

Q8. 

Which of the following is used to protect SCR from overcurrent?

Answer : 

Fuse

Q9. 

Which of the following is used to protect SCR from thermal conditions?

Answer : 

Heat sink

Q10. 

The output voltage of CSI depends upon the load.

Answer : 

True

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