What are the parts of the repulsion motor ?
A. Carbon brushes
B. Stator, rotor
C. Commutator
D. All of the above
Single Phase Induction Motors
The capacitor motors are categorized into:
A. Four
B. Three
C. One
D. Two
What is the standard form of DOR ?
A. Direction Rotor
B. Direction of Rotation
C. Direction Online Rotation
D. None of the above
What are the advantages of a hybrid stepper motor ?
A. Small step length
B. Less tendency to resonate
C. High-efficiency
D. All of the above
The magnitude of step angle for PM and VM stepper motors is given by:
A. 360/(number of starter phases-number of rotor poles)
B. 360/(number of starter phases + number of rotor poles)
C. 360/(number of starter phases)*(number of rotor poles)
D. None of them
What are the disadvantages of an induction motor ?
A. Low power density
B. Large size
C. Low-efficiency
D. All of the above
The speed of the induction motors (IM) is given as:
A. N=120f/p(1-S)
B. N=10f/p(1-S)
C. N=1f/p(1-S)
D. None of the above
How many types of induction motor rotors are there ?
A. Two
B. Four
C. One
D. Three
The one phase induction motor consists single-phase winding on:
A. Rotor
B. Stator
C. Both a and b
D. None of the above
The single value capacitor motor has _____ pull out torque.
A. Very lower
B. Moderate
C. Higher
D. Lower