For a motor-generator set which of the following motors will be preferred ?

Related Mcqs:

1. A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is____________________?

   A. slop speed operation B. high starting torque C. low windage losses D. all of the above...

2. Which of the following motors is preferred for traction work ?

   A. Universal motor B. D.C. series motor C. Synchronous motor D. Three-phase induction motor...

3. For which of the following applications D.C. motors are still preferred ?

   A. High efficiency operation B. Reversibility C. Variable speed drive D. High starting torque...

4. Which of the following motors is usually preferred for kiln drives ?

   A. Cascade controlled A.C. motor B. Slip ring induction motor C. Three phase shunt wound com-mutator motor D. Any of the above...

5. 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...

6. Which of the following motors is preferred for boom hoist of a travelling crane ?

   A. Single phase motor B. Synchronous motor C. A.C. slip ring motor D. Ward-Leonard controlled D.C. shunt motor...

7. Which of the following motors is preferred when smooth and precise speed control over a wide range is desired ?

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

8. The only difference between construction of D.C generator and A.C generator is that of_______________?

   A. carbon brushes B. coil C. commutator D. magnetic field...

9. A pony motor is used for the starting which of the following motors ?

   A. Squirel cage induction motor B. Schrage motor C. Synchronous motor D. None of the above...

10. 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...