• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electrical Machines

Electrical Machines
Capacitor fitted with ceiling / table fans is of the value of

  1 - 2 µF.
 0.1 µF.
  2 - 3 µF.
 5 - 10 F.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease?

 10%
 40%
 19%
 5%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Rotor resistance speed control is used in

 synchronous motor.
 dc shunt motor.
 squirrel cage induction motor.
 slip ring induction motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
High starting torque and low starting current is the advantage of

  squirrel cage induction motor.
  hysteresis motor.
  stepper motor.
  slip ring induction motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will

 reduced to half
 increase by 200%
 remain unaltered
 increase by 100%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be

  470 rpm.
 450 rpm.
 540 rpm.
  240 rpm.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electrical Machines

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑