Heat control switches are used in__________________?

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...

For derries and winches which of the following drives can be used ?

A. Pole changing squirrel cage motors B. D.C. motors with Ward-leonard con-trol C. A.C. slip ring motors with variable resistance D. Any of the above...

In which of the following applications the load on motor changes in cyclic order ?

A. Electric shovels B. Cranes C. Rolling mills D. All of the above...

Which of the following motors is preferred when quick speed reversal is the main consideration ?

A. Squirrel cage induction motor B. Wound rotor induction motor E. Synchronous motor D. D.C. motor...

The capacity of a crane is expressed in terms of_______________?

A. type of drive B. span C. tonnes D. any of the above...