The diameter of the rotor shaft for an electric motor depends on which of the following ?

Related Mcqs:

For a particular application the type of electric-and control gear are determined by which of the following considerations ?

A. Starting torque B. Conditions of environment C. Limitation on starting current D. Speed control range and its nature E. All of the above...

For blowers which of the following motor is preferred ?

A. D.C. series motor B. D.C. shunt motor C. Squirrel cage induction motor D. Wound rotor induction motor...

In ________________ method of staging three phase induction motors the starting voltage is not reduced?

A. auto-transformer B. star-delta C. slip ring D. any of the above...

By the use of which of the following m D.C. can be obtained from AC. ?

A. Silicon diodes B. Mercury arc rectifier C. Motor generator set D. Any of the above...

Which of the following alternatives will be cheaper ?

A. A 100 H.P. AC. three phase motor B. Four motors of 25 H.P. each C. Five motors of 20 H.P. each D. Ten motors of 10 H.P. each...