Electric Drives Questions and Answers, Set 1

 

Electric Drives Questions and Answers

Q1. 

What is an electric drive?

Answer :

A machine that converts electrical energy into mechanical energy

Q2. 

Which of the following exhibits linearly rising load torque characteristics?

Answer :

Separately excited dc generator connected to the resistive load

Q3. 

What is the unit of the apparent or complex power?

Answer :

VA

Q4. 

Which one of the following methods would give a lower than the actual value of regulation of the alternator?

Answer :

MMF method

Q5. 

Which of the following is the correct abbreviation of SCIM?

Answer :

Squirrel cage induction motor

Q6. 

Which of the following are the types of Stress?

Answer :

Longitudinal stress, Volume stress, Tangential stress

Q7. 

Which of the following type of motor is used for milling and grinding operations?

Answer :

SCIM

Q8. 

Which one of the following device is uncontrolled?

Answer :

Diode

Q9. 

Which of the following is the most severe type of fault?

Answer :

LLLG

Q10. 

What is the unit of the apparent or complex power?

Answer :

VA

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