Question: 90° equals 1.57 radians. [A]. True [B]. False Answer: Option A Explanation: No answer description available for this question.

Question: A single-phase induction motor [A]. is self-starting [B]. operates at a fixed speed [C]. is less reliable than a three-phase synchronous motor [D]. none of the above Answer: Option D Explanation: No answer description available for this question.

Question: In both induction and synchronous ac motors [A]. the operating speed is very steady [B]. the stator magnetic field is stationary [C]. the stator magnetic field rotates [D]. the “squirrel cage” forms the rotor Answer: Option C Explanation: No…