What is the effect of an increased air gap in an induction motor?
A Increased speed
B Decreased torque
C Increased power factor
D Increased efficiency
How does flux distribution in a synchronous motor affect its operation?
A Influences efficiency
B Controls rotor speed
C Affects power factor
D Reduces losses
What is the primary objective of performance testing in induction motors?
A Test fault diagnosis
B Measure power factor
C Detect vibrations
D Verify efficiency
How can maintenance practices affect the lifespan of a synchronous motor?
A No effect
B Extends lifespan
C Shortens lifespan
D Increases speed
What is the importance of vibration analysis in motor maintenance?
A Measure efficiency
B Increase motor speed
C Detect mechanical imbalances
D Improve power factor