Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called slip. cogging. skewing. crawling. slip. cogging. skewing. crawling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? -3% +3% +3.33% -3.33% -3% +3% +3.33% -3.33% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Infinitely large. 1000 ohms. Low. around 500 ohms. Infinitely large. 1000 ohms. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V dc machine has an armature resistance of 1Ω.If the full-load current is 20 A, the differenc in the induced voltages when the machine is running as a motor and as a generator is 50 V 20 V zero 40 V 50 V 20 V zero 40 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of silicon steel. stainless steel. cast iron. carbon. silicon steel. stainless steel. cast iron. carbon. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC generator will be in a position to build up without any residual magnetism in the field? Separately excited. Series. Shunt. Compound. Separately excited. Series. Shunt. Compound. ANSWER DOWNLOAD EXAMIANS APP
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