• 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
For a dc machine shunt resistance and armature resistance values are

 high and low
 low and high
 high and high
 low and low

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In above question, the output power delivered by generator G1 and G2 will be

 9.6 kW, 12 kW.
 9.3 kW, 9.3 kW.
  6.3 kW, 9.3 kW.
 5.7 kW, 8.7 kW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases?

 Remain unchanged
 Increases.
 Decreases.
 None of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is:

 25 Hz.
 50 Hz.
 Zero Hz.
 100 Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC Shunt Motor having shunt field resistance of 250 Ω and armature resistance of 0.5 Ω is connected to 250 V supply and load current of 21 A. What is the back emf generated ?

 210 V
 230 V.
 150 V.
 240 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is

 40 HZ
 60 Hz
 50 Hz
 25 Hz

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
↑