21
In a two value capacitor motor, the capacitor used for running purposes is
Answer: paper spaced oil filled type
Questions
22
Which of the following motors will operate at high power factor ?
Answer: Capacitor run motor
23
In split-phase motor auxiliary winding is of
Answer: thin wire placed at the top of the slots
24
Single phase induction motor usually operates on
Answer: 0.6 power factor lagging
25
Which of the following single-phase motors is suitable for timing and control purposes ?
Answer: Reluctance motor
28
A single-phase induction motor is
Answer: inherently non-self-starting with low torque
29
Which of the following motors is preferred for tape-recorders ?
Answer: Hysteresis motor
30
The motor used on small lathes is usually
Answer: single-phase capacitor run motor
31
For which of the applications a reluctance motor is preferred ?
Answer: Signalling and timing devices
32
Which of the following motor will give the highest starting torque ?
Answer: Schrage motor
35
The power factor of a single-phase induction motor is usually
Answer: lagging
36
In a capacitor start single-phase motor, when capacitor is replaced by a resistance
Answer: motor will continue to run in same direction
39
Direction of rotation of a split phase motor can be reversed by reversing the connection of
Answer: either (a) or (b)
