Hunting And Synchronous Condensor - MCQs with Answers

Hunting And Synchronous Condensor - MCQs with Answers


Q1. Oscillations of the rotor about its new equilibrium position, due to sudden application or removal of load in synchronous motor is called

a. Hunting
b. Galloping
c. Swinging
d. Both (a) and (c)

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ANSWER: d. Both (a) and (c)



Q2. Hunting in a synchronous motor results in

a. Loss of synchronism
b. Mechanical and electrical stresses on motor
c. Large current drawn by motor
d. All of the above

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ANSWER: d. All of the above



Q3. In a synchronous motor, the phenomenon of hunting caused by the sudden application or removal of load is prevented by

a. Using damper winding
b. Using a capacitor
c. Using an inductor
d. All of the above

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ANSWER: a. Using damper winding



Q4. An over excited synchronous motor operating on no load condition is called as

a. Synchronous capacitor
b. Synchronous condensor
c. Hunting
d. Both (a) and (b)

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ANSWER: d. Both (a) and (b)



Q5. The synchronous motor as a synchronous condenser is used to

a. Improve power factor
b. Reduce hunting
c. Both (a) and (b)
d. None of the above

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ANSWER: a. Improve power factor


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