Electric Drives Questions and Answers, Set 5

Electric Drives Questions and Answers

Q1. 

What are electric drives?

Answer :

Engines of 2-wheelers & Robotics

Q 2. 

Which of the following motor can be referred as a universal motor?

Answer :

DC series motor

Q3. 

Which of the following core has linear characteristics?

Answer :

Air core

Q4. 

Which of the following is the unit of displacement?

Answer :

m/s

Q5. 

DC shunt motors are used where the high ______ is required.

Answer :

Starting torque

Q6. 

Which starting method is the best method in Induction motor?

Answer :

Star-Delta starting

Q7. 

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

Answer :

R-L-C underdamped

Q8. 

Which of the following type of grounding is used to suppress the capacitive effect?

Answer :

Peterson coil

Q9. 

The unit of reactive power is VAR.

Answer :

True

Q10. 

Which of the theorems helps in the calculation of the moment of inertia?

Answer :

The theorem of Parallel and Perpendicular axes

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