• 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 input of a transformer is square wave the output will be

 sine wave.
  pulsed wave.
 triangular wave.
 square wave.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be

None of these
 6% and -4%
 4.8% and -3.2%
 3.2% and -1.6%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The current drawn by the armature of DC motor is directly proportional to

 The voltage across the terminals.
 The torque required.
 None of above.
 The speed of motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb.

 10 volts.
 40 volts.
 20 volts.
 30 volts.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per pole is 0.06 Wb. The machine is running at 250 rpm. The induced armature voltage is

 384 V
 96 V
 768 V
 192 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following relation is correct?

None of these
 Xd > Xq.
 Xd = Xq.
 Xd < Xq.

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
↑