• 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 represents the operating region of slip in a 1-phase induction motor?

 -1 < S < 1
 0 < S < 2
 0 < S < 1
 -2 < S < 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous machine, if φ is the flux per pole and f is the frequency of the emf induced E then

 E ∝ φ/f
 E ∝ f/φ
 E ∝ 1/(φf)
 E ∝ φf

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An inverted V-curve of synchronous motor shows the variation of

All of these
 supply voltage and field current at constant excitation
 power factor and supply voltage during hunting
 power factor and dc excitation at constant load

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The direction of rotation of conductor of a DC motor can be determined by

 Lenz's law.
 Fleming's right hand rule.
 Fleming's left hand rule.
 Ampere law.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To eliminate 5th harmonic in the induced voltage phase breadth should be

 36°
 72°
 30°
 18°

ANSWER DOWNLOAD EXAMIANS APP

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

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

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
↑