A. series motor only
B. shunt motor only
C. compound motor only
D. both shunt and compound motor
Related Mcqs:
- A three point starter is considered suitable for______________?
A. shunt motors
B. shunt as well as compound motors
C. shunt, compound and series motors
D. all D.C. motors - 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 - For starting a D.C. motor a starter is required because___________?
A. it limits the speed of the motor
B. it limits the starting current to a safe value
C. it starts the motor
D. none of the above - In a manual shunt motor starter?
A. over load relay is connected in series and no volt relay in parallel with the load
B. over load relay is connected in parallel and no volt relay in series with the load
C. over load relay and no volt relay are both connected in series with the load
D. over load relay and no volt relay are both connected in parallel with the load - Differentially compound D.C. motors can find applications requiring___________?
A. high starting torque
B. low starting torque
C. variable speed
D. frequent on-off cycles - By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?
A. Frame
B. Shaft
C. Commutator
D. Stator - The power mentioned on the name plate of an electric motor indicates____________?
A. the power drawn in kW
B. the power drawn in kVA
C. the gross power
D. the output power available at the shaft - Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be_____________?
A. level compounded
B. under compounded
C. cumulatively compounded
D. differentially compounded - In a D.C. generator all of the following could be the effects of iron losses except___________?
A. Loss of efficiency
B. Excessive heating of core
C. Increase in terminal voltage
D. Rise in temperature of ventilating air - With the increase in temperature, the speed of DC shunt motor____________?
A. decreases.
B. increases
C. remain same
D. none of the above
