• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Three Phase Induction Motors

Three Phase Induction Motors
For higher efficiency of 3-phase induction motor, the slip should be

As small as possible
1
Very large
Large

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
In the circle diagram for induction motor, the diameter of the circle represents

Rotor current
Running torque
Slip
Line voltage

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is

2.5 Hz
1.5 Hz
0.05 Hz
5 Hz

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______

1+S
S-1
1-S
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The torque developed in the cage induction motor with auto-starter is

K2 × torque with direct switching
k/torque with direct switching
K × torque with direct switching
k2/torque with direct switching

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The condition of induction motor on load resemble those of a transformer whose secondady is _______

Short circuited
Open circuited
None of the listed here
Supplying a variable resistive load

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Three Phase Induction Motors

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
↑