Important Question Answer For HPSSC Electrician Exam Set-6
||Important Subject Related Question Answer For HPSSC Electrician Exam Set-6||Important Question Answer For HPSSSB Hamirpur Electrician Exam Set-6||
1. Why the rotor bars of a 3 phase squirrel cage induction motor are mounted in a slightly skewed position ?
(A) To avoid magnetic locking
(B) To maintain constant speed
(C) To run with more load than rated
(D) To increase the efficiency of motor
2. Why starter is necessary for the operation of 3 phase induction motors ?
(A) To protect the motor from leakage
(B) To protect the motor from over load
(C) To protect the motor from over voltage
(D) To protect the motor from under voltage
3. Why the double cage rotor of a 3-phase squirrel cage induction motor is short circuited ?
(A) To reduce the slip
(B) For quick starting
(C) For pulling more load
(D) To maintain good torque
4. What is the rating of backup fuse to be provided for a 10HP AC 3 phase squirrel cage induction motor ?
(A) 16 Amps
(B) 20 Amps
(C) 25 Amps
(D) 63 Amps
5. Which type of the starters are suitable for three phase squirrel cage induction motor from 20 to 150 HP ?
(A) Rotor – resistance starter
(B) Auto Star – delta starter
(C) Auto transformer starter
(D) Manual star delta starter
6. Which places capacitor start, capacitor run induction motor are used ?
(A) Wet grinders
(B) Compressors
(C) Water pump motor
(D) Washing machines
7. What is the amount of torque reduced while the motor is running in star connection compared to delta connection ?
(A) 1/6 Times
(B) 1/3 Times
(C) 3 Times
(D) 3 Times
8. Which type of single phase motor is having a commutator ?
(A) Stepper motor
(B) Repulsion motor
(C) Shaded pole motor
(D) Permanent capacitor motor
9. Which type of motors develops more horse power per Kilogram weight ?
(A) Universal motor
(B) Repulsion motor
(C) Reluctance motor
(D) Shaded pole motor
10. Which motor is used in ceiling fan ?
(A) Universal Motor
(B) Shaded Pole motor
(C) Permanent capacitor motor
(D) Capacitor start, capacitor run motor
||Important Subject Related Question Answer For HPSSC Electrician Exam Set-6||Important Question Answer For HPSSSB Hamirpur Electrician Exam Set-6||
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