• 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 Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly

 240 V
 175 V
 140 V
 120 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is

 0.
 8 KW.
  2 KW.
 10 KW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which single phase motor is used for a refrigerator?

  Universal.
  Capacitor run.
  Repulsion.
  Split phase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P)

 T∝ P
 T∝ P³
 T∝ P²
 T is independent of P

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature MMF waveform of a DC machine is

  triangular.
  pulsating.
  rectangular.
  sinusoidal.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC generator if field winding attains the critical resistance

 machine will generate maximum power.
 machine will generate maximum voltage.
 field winding will burn.
 the voltage generated will be zero.

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
↑