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.Management Sciences
A. more than the normal speed
B. loss than the normal speed
C. normal speed
D. zero
Related Mcqs:
- A direct on line starter is used: for starting motors___________?
- A. up to 5 H.P B. up to 10 H.P C. up to 15 H.P D. up to 20 H.P...
- In case of conductively compensated D.C. series motors, the compensating winding is provided______________?
- A. as separately wound unit B. in parallel with armature winding C. in series with armature winding D. in parallel with field winding...
- The armature torque of the D.C. shunt motor is proportional to____________?
- A. field flux only B. armature current only C. both A. and B. D. none of the above...
- Torque developed by a D.C. motor depends upon_____________?
- A. magnetic field B. active length of the conductor C. current flow through the conductors D. number of conductors E. radius of armature F. all above factors...
- If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens____________?
- A. this will make armature to take heavy current, possibly burning it B. this will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses C. nothing will happen to motor D. motor will come to stop...
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