• 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
A DC generator beyond critical resistance will generate

 maximum voltage.
 no voltage.
 maximum power.
 maximum current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output power indicated on the name plate of any motor is always the

 Gross power.
 Output power at the shaft.
 Power drawn in KW.
 Power drawn in KVA.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A cumulatively compounded dc motor delivers rated load power at rated speed. If the series field is short-circuited, then

 both decrese
 Ia remains constant but ωm increase
 both armature current Ia and speed ωm increase
 Ia increases and ωm decreses

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will

 Oscillate around the normal speed.
 Remain unaltered.
 Reduce.
 Increase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the field current is reduced to zero the maximum power developed by alternator is

 0.9103 KW.
 1.644 KW.
  2.73 KW.
 5.46 KW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will

 increase by 200%
 remain unaltered
 increase by 100%
 reduced to half

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
↑