• 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
The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is

  60 Hz.
  50 Hz.
  16.67 Hz.
  25 Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which type of single phase induction motor is having the highest power factor at full load ?

 Shaded pole type.
 Capacitor start.
  Capacitor run type.
 Split phase type.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the temperature of armature resistance is increased, the speed of a series motor would

 None of above.
 not change.
 decrease.
 increase.

ANSWER DOWNLOAD EXAMIANS APP

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 ___________.

  30 %.
 5 %.
  2.67 %.
 1.5 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC cumulatively compounded motor delivers rated load torque at rated speed. If the series field is short-circuited, then the armature current and speed will

 decrease and increase respectively
 increase and decrease respectively
 both decrease
 both increase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Maximum power will be developed when back emf is

 equal to supply voltage.
 double the supply voltage.
 half of the supply voltage.
All of these

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
↑