Which of the following happens when star-delta starter is used ?

Related Mcqs:

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...

Heat control switches are used in__________________?

A. transformers B. cooling ranges C. three phase induction motors D. single phase...

In jaw crushers a motor has to often start against ____________________ load?

A. heavy B. medium C. normal D. low...

The characteristics of drive for crane hoisting and lowering are which of the following ?

A. Precise control B. Smooth movement C. Fast speed control D. All of the above...

For crane travel which of the following motors is normally used ?

A. Synchronous motor B. D.C. differentially compound motor C. Ward-Leonard controlled D.C. shunt motor D. AC. slip ring motor...