Electrical Machines The torque developed in IM is nearly proportional to V2. V. 1 / V2. 1 / V. V2. V. 1 / V2. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? 1500 rpm 1470 rpm zero 30 rpm 1500 rpm 1470 rpm zero 30 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. remain the same. be unpredictable. decrease. increase remain the same. be unpredictable. decrease. increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? 1-phase induction motor 3-phase induction motor both 1 and 2 None of these 1-phase induction motor 3-phase induction motor both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following transformer insulating oil generally used in India? Naphtha based insulating oil. Olefin based insulating oil. Aromatics based insulating oil. Paraffin based insulating oil. Naphtha based insulating oil. Olefin based insulating oil. Aromatics based insulating oil. Paraffin based insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region remains constant. increases with increase in the load torque. decreases with increase in the load torque. decreases with decrease in the load torque. remains constant. increases with increase in the load torque. decreases with increase in the load torque. decreases with decrease in the load torque. ANSWER DOWNLOAD EXAMIANS APP
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