• 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 a DC Series motor is connected across an AC supply it will

 not run.
 burn.
 run at normal speed.
 run at lower speed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Reversing the direction of rotation of split phase motors is done by

 reversing the terminals of starting winding.
 interchanging the capacitor from starting winding to main winding or vice versa.
All of these
 reversing the terminals of main winding.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
DC shunt motors are suitable for

 Blowers and fans.
 Centrifugal pumps
 Lathes.
  All of this.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance

 200Ω
 100Ω
 10Ω
 50Ω

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A separately-excited DC generator, running at rated speed, has 6 volts across its armature terminals with no field current. When field winding is excited with one ampere, the voltage builds up to 250 V at no load. In case field current is reduced to zero, with the speed remaining unaltered, the armature terminal voltage would be

 zero
 6 V
 less than 6 V
 more than 6 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The shaft of induction motor should be

  any of these.
  hollow.
  stiff.
  flexible.

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
↑