• 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
In one 132 / 33 kV transformer the LV resistance is 0.02 per unit. The resistance referred to HV side is

  0.08 pu.
 0.01 pu.
 0.16 pu.
  0.02 pu.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected

 in parallel
 in series
 through inductive coupling
 either of these depending on the design of the motor

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease?

 10%
 40%
 5%
 19%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC Shunt Motor the speed can be increased by

 Increasing the armature current.
 Decreasing the field current.
 Increasing the field current.
 Increasing the field current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generators, the cause of rapid brush wear may be

 rough commutator surface.
 severe sparking.
 any of above.
 imperfect contact.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If a DC Series motor is connected across an AC supply it will

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

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
↑