Which of the following machines has heavy fluctuation of load ?

Related Mcqs:

Which part of a motor needs maximum attention for maintenance ?

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

_________________method of starting a three phase induction motor needs six terminals ?

A. Star-delta B. Resistance starting C. Auto-transformer D. None of the above...

_______________has the least value of starting torque to full load torque ratio?

A. D.C. shunt motor B. D.C. series motor C. Squirrel cage induction motor D. Slip ring induction motor...

Besides a constant speed a synchronous rotor possesses which of the following advantages ?

A. Lower cost B. Better efficiency C. High power factor D. All of the above...

The cost of an induction motor will increase as________________?

A. horsepower rating increases but r.p.m. decreases B. horsepower rating decreases but r.p.m. increases C. horsepower rating and operating speed increases D. horsepower rating and operating speed decreases...