Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Rheostatic control. Any of above method. None of above. Ward Leonard control. Rheostatic control. Any of above method. None of above. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Where the shunt generators are widely used? Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. Where the load is very high. Where voltage variation is needed over a wide load range. Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. Where the load is very high. Where voltage variation is needed over a wide load range. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? both 1 and 2 1-phase induction motor 3-phase induction motor None of these both 1 and 2 1-phase induction motor 3-phase induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the cause of rapid brush wear may be imperfect contact. rough commutator surface. any of above. severe sparking. imperfect contact. rough commutator surface. any of above. severe sparking. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed remains constant. increased slightly. increase proportional. reduce slightly. remains constant. increased slightly. increase proportional. reduce slightly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100 KVA transformer is operating at 60 Hz, 240 V supply. The same transformer is operating at 50 Hz, 200 V supply. The new rating is 100 KVA 83.33 KVA 50 KVA 123.3 KVA 100 KVA 83.33 KVA 50 KVA 123.3 KVA ANSWER DOWNLOAD EXAMIANS APP
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