List of top Agricultural Engineering and Technology Questions on AC Motors and Power Factor

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): The copper losses of a single-phase induction motor are high compared to three phase induction motor
Reason (R): In a three-phase induction motor, the load current is distributed among multiple windings

In light of the above statements, choose the correct answer from the options given below.

Synchronous Speed of an AC induction motor depends on
(A). Frequency of the supply voltage (f)
(B). Number of poles (n)
(C). Current (I)
(D). Voltage (V)
(E). Resistance (R)

Choose the correct answer from the options given below:

Voltage of three phase motor is generally kept at

Voltage of three phase motor is generally kept at

Given below are two statements:
Statement (I): Power factor is Not a measure of efficiency
Statement (II): If a load draws Reactive Power, the power factor is said to be 'lagging'
In light of the above statements, choose the most appropriate answer from the options given below.