Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 1 4 ang 1 2 and 2 4 and 2 2 and 1 4 ang 1 2 and 2 4 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor power factor at starting is low as compared to that while running. power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. none of them. power factor at starting is low as compared to that while running. power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to a DC source. to earth. to an AC source. in reverse. to a DC source. to earth. to an AC source. in reverse. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in increase in slip. reduction in generated emf. open circuit. short circuit. increase in slip. reduction in generated emf. open circuit. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on None of these rotor shaft. pole faces. stator frame. None of these rotor shaft. pole faces. stator frame. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor used in Lathe machine? D.C. shunt motor. None of these D.C . series motor. D.C. cumulative compound motor. D.C. shunt motor. None of these D.C . series motor. D.C. cumulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
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