Q1:- Reluctance motor is a
- self - starting type synchronous motors
- low torque variable speed motor
- variable torque motor
- low noise, slow speed motor
Q2:- A reluctance motor is
- is compact
- has high cost
- requires starting gear
- is provided with slip rings.
Q3:- Power factor of reluctance motor is
- nearly unity
- always leading
- 0.8 lagging
- 0.3 to 0.4 leading
Q4:- The efficiency of reluctance motor is around
- 95 %
- 80 %
- 75 to 85 %
- 60 to 75 %
Q5:- A pole changing type squirrel cage induction motor used in derricks has 4, 8 and 24 poles. in this the lowest speed is used for
- lifting
- hoisting
- lowering
- landing the road
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