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Electrical Engineering Mcqs

________________ motor is a constant speed motor?

August 12, 2021December 24, 2018 by admin
________________ motor is a constant speed motor?

A. Synchronous motor
B. Schrage motor
C. Induction motor
D. Universal motor

Categories Electrical Engineering Mcqs, Industrial Drives

The starting torque of a D.C. motor is independent of which of the following?

August 12, 2021December 24, 2018 by admin
The starting torque of a D.C. motor is independent of which of the following?

A. Flux
B. Armature current
C. Flux and armature current
D. Speed

Categories Electrical Engineering Mcqs, Industrial Drives

need frequent starting and stopping of electric motors ?

August 12, 2021December 24, 2018 by admin
need frequent starting and stopg of electric motors ?

A. Paper mills
B. Grinding mills
C. Air-conditioners
D. Lifts and hoists

Categories Electrical Engineering Mcqs, Industrial Drives

Which of the following motors are best for the rolling mills ?

August 12, 2021December 24, 2018 by admin
Which of the following motors are best for the rolling mills ?

A. Single phase motors
B. Squirrel cage induction motors
C. Slip ring induction motors
D. D.C. motors

Categories Electrical Engineering Mcqs, Industrial Drives

For which of the following applications D.C. motors are still preferred ?

August 12, 2021December 24, 2018 by admin
For which of the following applications D.C. motors are still preferred ?

A. High efficiency operation
B. Reversibility
C. Variable speed drive
D. High starting torque

Categories Electrical Engineering Mcqs, Industrial Drives

___________________is not a part of ball bearing ?

August 12, 2021December 24, 2018 by admin
___________________is not a part of ball bearing ?

A. Inner race
B. Outer race
C. Cage
D. Bush

Categories Electrical Engineering Mcqs, Industrial Drives

The starting torque in case of centrifugal pumps is generally_________________?

August 12, 2021December 24, 2018 by admin
The starting torque in case of centrifugal pumps is generally_________________?

A. less than running torque
B. same as running torque
C. slightly more than running torque
D. double the running torque

Categories Electrical Engineering Mcqs, Industrial Drives

Which part of a motor needs maximum attention for maintenance ?

August 12, 2021December 24, 2018 by admin
Which part of a motor needs maximum attention for maintenance ?

A. Frame
B. Rearing
C. Stator winding
D. Rotor winding

Categories Electrical Engineering Mcqs, Industrial Drives

Which feature, while selecting a.motor for centrifugal pump, will be of least significance ?

August 12, 2021December 24, 2018 by admin
Which feature, while selecting a.motor for centrifugal pump, will be of least significance ?

A. Starting characteristics
B. Operating speed
C. Horse power
D. Speed control

Categories Electrical Engineering Mcqs, Industrial Drives

Ward-Leonard controlled D.C. drives are generally used for _____________________ excavators?

August 12, 2021December 24, 2018 by admin
Ward-Leonard controlled D.C. drives are generally used for _____________________ excavators?

A. Light duty
B. Medium duty
C. Heavy duty
D. All of the above

Categories Electrical Engineering Mcqs, Industrial Drives
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