Electrical Machines Iron losses in a DC machine are independent of variation in speed. speed and voltage. voltage. load. speed. speed and voltage. voltage. load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will get damaged. start automatically without trouble. not start automatically. develop very low starting torque. get damaged. start automatically without trouble. not start automatically. develop very low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux increases. decreases. decreases remains constant. increases. decreases. decreases remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor will deliver maximum power when load angle is equal to internal angle θ. load angle is 45°. input power factor is unity. load angle is 0°. load angle is equal to internal angle θ. load angle is 45°. input power factor is unity. load angle is 0°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake None of these non reversing drive reversing drive both 1 and 2 None of these non reversing drive reversing drive both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to carry extra load. to suppress harmonic and unbalance in voltage. None of these to interconnect three voltage systems. to carry extra load. to suppress harmonic and unbalance in voltage. None of these to interconnect three voltage systems. ANSWER DOWNLOAD EXAMIANS APP
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