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AC 3 PHASE INDUCTION MOTOR
Set 3
Set 3
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Q13446
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Which type of rotor is used in squirrelcage induction motor?
A
Wound type
B
Squirrel cage
C
Slipring type
D
Projecting type
Q13447
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Why rotor bars of squirrel cage induction motor is skewed?
A
Reduce magnetic humming
B
Reduce losses
C
Improve efficiency
D
Improve capacity
Q13448
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How to change the direction of rotation of a 3f squirrel cage induction motor?
A
By interchanging three terminals
B
By interchanging any two terminals
C
By disconnecting one terminal
D
By reducing the applied voltage
Q13449
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Which type of starter is recommended to start upto 3 HP squirrelcage induction motors?
A
DOL starter
B
Auto transfer starter
C
Star-delta starter
D
Rotor resistance starter
Q13450
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Which starter is in simple expensive and easy to start?
A
Rotor resistance starter
B
DOL starter
C
Semi automatic star delta starter
D
Auto transformer starter
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