• 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 a single phase induction motor, the starting torque developed is proportional to

 1/V
 1/V²
 supply voltage V
 V²

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The current drawn by the armature of DC motor is directly proportional to

 The speed of motor.
 None of above.
 The torque required.
 The voltage across the terminals.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Direction of rotation of DC motor is reversed by

 Reversing armature connection or field connection.
 Adding resistance to field circuit.
 Reversing supply connection.
 Interchanging armature and field connection.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become

 one fourth.
 half.
 4 times.
 double.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Swinburne's test is applicable to

 DC shunt and level Compound motor.
 DC compound motor.
 DC series motor.
 DC Shunt motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Consider the following statements : For a level compounded dc generator to run at constant voltage, the series field mmf must effectively compensate 1. armature reaction mmf 2.armature resistance drop 3. brush contact voltage drop Which of these statements is/are correct ?

 1 and 2
 1 and 3
 2 alone
 1, 2 and 3

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
↑