Electrical Machines The output power of any electrical motor is taken from the Motor frame. Coupling mounted on the shaft. Field. Armature. Motor frame. Coupling mounted on the shaft. Field. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for voltage build up in self excited generator? Field winding resistance should be less than critical resistance. Poles should contain residual flux. All of these Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. Poles should contain residual flux. All of these Field winding should be properly connected to armature winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Thickness Frequency Flux density All of these Thickness Frequency Flux density All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following are variable losses? eddy current loss shunt field copper loss hysteresis loss armature copper loss eddy current loss shunt field copper loss hysteresis loss armature copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? same exactly opposite either of these None of these same exactly opposite either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator has a critical field resistance of 300 Ω at a speed of 800 rpm if the speed is raised to 1000 rpm the critical field resistance is 225 Ω. 150 Ω. 145 Ω. 375 Ω. 225 Ω. 150 Ω. 145 Ω. 375 Ω. ANSWER DOWNLOAD EXAMIANS APP
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