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.Management Sciences
A. auto-transformer
B. star-delta
C. slip ring
D. any of the above
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...
- ________________ motor is a constant speed motor?
- A. Synchronous motor B. Schrage motor C. Induction motor D. Universal motor...
- 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...
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