Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, low output High speed, high output None of the listed here Low speed, high output High speed, low output High speed, high output None of the listed here Low speed, high output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Low excitation only Higher excitation only None of the listed here Both higher and low excitation Low excitation only Higher excitation only None of the listed here Both higher and low excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always Positive Zero 1% 0.5% Positive Zero 1% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Increased core losses Eddy current flow Rise in winding temperature Shorting of coils Increased core losses Eddy current flow Rise in winding temperature Shorting of coils ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Leading power factor synchronous motors cost ______ the unity pf motors. None of the listed here More than About the same as Less than None of the listed here More than About the same as Less than ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its speed may be controlled more easily None of these its power factor may be varied at will its speed is independent of supply frequency its speed may be controlled more easily None of these its power factor may be varied at will its speed is independent of supply frequency ANSWER DOWNLOAD EXAMIANS APP