Electrical Engineering Questions And Answers :: Industrial Drives: part2



Electrical Engineering : Industrial Drives QUESTIONS AND ANSWERS :: part2 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

1.Besides a constant speed a synchronous rotor possesses which of the following advantages ?

Lower cost
Better efficiency
High power factor
All of the above

2.Heat control switches are used in

transformers
cooling ranges
three phase induction motors
single phase

3.The capacity of a crane is expressed in terms of

type of drive
span
tonnes
any of the above

4.In squirrel cage induction motors which of the following methods of starting cannot be used ?

Resistance in rotor circuit
Resistance in stator circuit
Auto-transformer starting
Star-delta starting

5.Which ofthefollowing motors is preferred when smooth and precise speed control over a wide range is desired ?

D.C. motor
Squirrel cage induction motor
Wound rotor induction motor
Synchronous motor

More Industrial Drives QUESTIONS AND ANSWERS available in next pages

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