• 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
A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________.

 1.5 %.
  2.67 %.
 5 %.
  30 %.

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ, 400 / 200 V, Y - Y connected wound rotor induction motor has 0.06 Ω rotor resistance and 0.3 Ω standstill reactance per phase. To make the starting torque equal to maximum torque of the motor the additional resistance required

 0.66 Ω.
 0.78 Ω.
 0.45 Ω.
  0.24 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Slip exists in

  induction motor.
  synchronous motor.
  in both machines.
  none of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Example of double excited machine is

 Synchronous motor.
None of these
 Both are correct.
 DC Shunt Motor

ANSWER DOWNLOAD EXAMIANS APP
  • «
  • 1
  • ...
  • 153
  • 154
  • 155
  • 156
  • 157
  • ...
  • 203
  • »

GO TO PAGE

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
↑