• 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
If the field current is reduced to zero the maximum power developed by alternator is

  2.73 KW.
 0.9103 KW.
 5.46 KW.
 1.644 KW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The slip of an induction motor during DC rheostatic braking is

  2 - s.
  s.
 2 + s.
 1 - s.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The power factor of an induction motor operating at no load will have a value around

 unity
 0.2 lag
 0.2 lead
 0.9 lag

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000.

 10 volts.
 40 volts.
 20 volts.
 30 volts.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
DC machine is a

 both are correct.
 none of above are correct.
 conduction machine.
 convection machine.

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

 450 rpm.
  470 rpm.
  240 rpm.
 540 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
↑