• 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
Which of the following will vary the maximum torque?

None of these
 rotor reactance X
 both 1 and 2
 rotor resistance R

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following DC Motor uses 4-point starter?

 DC series motor.
 DC shunt motor with field weaking control.
 DC shunt motor with armature resistance.
 DC compound motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following statement is true for an AC synchronous motor?

 It is a step angled motor.
 It is a high reluctance motor.
  It is a constant speed motor.
 It is a variable speed motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 100 KVA transformer is operating at 60 Hz, 240 V supply. The same transformer is operating at 50 Hz, 200 V supply. The new rating is

 100 KVA
 83.33 KVA
 50 KVA
 123.3 KVA

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be

 625 W
 650 W
 700 W
 600 W

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Synchronous condensers are used to

All of these
 reduce hunting
 improve the power factor
 improve starting torque

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
↑