Electrical Machines Maximum power developed depends on voltage reactance both 1and 2 load angle voltage reactance both 1and 2 load angle ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sparking at the the brushes, in a DC machines is due to high resistance of carbon brushes. presence of commutator. armature reaction. reactance voltage. high resistance of carbon brushes. presence of commutator. armature reaction. reactance voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is 1/√3 √3 3 1/3 1/√3 √3 3 1/3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? None of these Ball bearings. Cast iron bearings. Bush bearings. None of these Ball bearings. Cast iron bearings. Bush bearings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Both Compensating and Commutating pole winding. Commutating pole winding. Auxiliary winding. Compensating winding. Both Compensating and Commutating pole winding. Commutating pole winding. Auxiliary winding. Compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when there is no load on the generator. the generator runs on overload. the generator runs on full load. the generator runs on designed speed. there is no load on the generator. the generator runs on overload. the generator runs on full load. the generator runs on designed speed. ANSWER DOWNLOAD EXAMIANS APP
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