• 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 DC machines internal characteristics are plotted between

 Vt vs Ia
 Vt vs load current
 Eg vs load current
 Eg vs Ia

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC generator if field winding attains the critical resistance

 machine will generate maximum voltage.
 field winding will burn.
 the voltage generated will be zero.
 machine will generate maximum power.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be

 50.
  18.
 36.
 80.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A series motor is efficiently suitable for

 none of these.
  high starting torque operation.
 constant speed operation.
 low starting torque operation.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The principal of starting of 3 - Φ IM is similar to

  synchronous motor.
  capacitor run IM.
  transformer with short-circuited secondary.
  repulsion motor type starting.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance

 200Ω
 50Ω
 10Ω
 100Ω

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
↑