Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. negative. low. positive. zero. negative. low. positive. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the cause of rapid brush wear may be imperfect contact. severe sparking. any of above. rough commutator surface. imperfect contact. severe sparking. any of above. rough commutator surface. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? closed slot----- leakage flux is high semi closed slot-----leakage flux is moderate All of these open slot----- leakage flux is less closed slot----- leakage flux is high semi closed slot-----leakage flux is moderate All of these open slot----- leakage flux is less ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on air velocity. color of the paint. surface area. temperature difference. air velocity. color of the paint. surface area. temperature difference. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is electromagnetic torque. none. starting torque. maximum torque. electromagnetic torque. none. starting torque. maximum torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Eddy current losses Hysteresis losses Both 1 and 2 Copper losses Eddy current losses Hysteresis losses Both 1 and 2 Copper losses ANSWER DOWNLOAD EXAMIANS APP