Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Low. 1000 ohms. Infinitely large. around 500 ohms. Low. 1000 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Motors for fans and pumps are selected in the rpm range 720 to 920. 375 to 500. 1440 to 2880. 500 to 720. 720 to 920. 375 to 500. 1440 to 2880. 500 to 720. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Reversing supply connection. Reversing armature connection or field connection. Interchanging armature and field connection. Adding resistance to field circuit. Reversing supply connection. Reversing armature connection or field connection. Interchanging armature and field connection. Adding resistance to field circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the hysteresis loss. weight of the stator. both of the above. eddy current loss. hysteresis loss. weight of the stator. both of the above. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an AC synchronous motor. series motor. cummulative compound motor. shunt motor. AC synchronous motor. series motor. cummulative compound motor. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? Electrical power generator. Induction motor. Electrical power transformer. DC motor. Electrical power generator. Induction motor. Electrical power transformer. DC motor. ANSWER DOWNLOAD EXAMIANS APP
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