• 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
What is power factor of a 3 - φ induction motor at no load?

  High.
  Low.
  Equal to 1.
  Same as full load.

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In most condition which frame of motor will be preferred?

  Totally enclosed fan coiled.
 Open type.
 Drip proof.
 Splash proof.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 250 volt dc series motor having an armature resistance of 0.2 Ω takes a load current of 60 A. What will be the torque produced at the shaft of the motor? Consider brush drop of 1V.

 234.76 N-m.
 133.22 N-m
 can not be determined.
 266.20 N-m.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm

  0.23Ω.
 0.25Ω.
 0.5Ω.
 1Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which type of motors are preferred in lifts?

 DC shunt motors.
 DC compound motors.
None of these
 DC series motors.

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
↑