• 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
Commutator pitches of duplex and simplex lap windings are respectively

 2 and 2
 2 and 1
 4 and 2
 4 ang 1

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The three point starter is used for

  Shunt, compound and series motor.
  Shunt motor.
  Shunt motor as well as compound motors.
  Series motor.

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

 768 V
 96 V
 384 V
 192 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Breadth factor is defined as the ratio of

 emf with distributed winding to emf with concentrated winding.
 both 1 and 2.
None of these
 emf with concentrated winding to emf with distributed winding.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
No load saturation characteristics are plotted between

 short circuit current and field current
 short circuit current and armature current
 no load voltage and armature current
 no load voltage and field current

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In case of a dc motor the ratio Eb / E is indicative of

  efficiency.
  ratio of input to output voltage.
  ratio of starting to running current.
  ratio of starting to running torque.

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
↑