Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. restoring torque. synchronizing power co efficient. damping torque. mechanical rotatory system. restoring torque. synchronizing power co efficient. damping torque. mechanical rotatory system. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve quick acceleration. low starting torque. high efficiency. reduced size. quick acceleration. low starting torque. high efficiency. reduced size. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC shunt motor if load is reduced DC Shunt Motor The speed will increase in proportion to reduction in load. The speed will increase abruptly. The speed will remains almost constant. DC Shunt Motor The speed will increase in proportion to reduction in load. The speed will increase abruptly. The speed will remains almost constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? open type winding closed winding lap winding wave winding open type winding closed winding lap winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? full load any of the above half load no load full load any of the above half load no load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron losses in a DC machine are independent of variation in speed. load. voltage. speed and voltage. speed. load. voltage. speed and voltage. ANSWER DOWNLOAD EXAMIANS APP
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