Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 2KW 0.5Kw 1.5KW 3KW 2KW 0.5Kw 1.5KW 3KW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has only shunt field winding. tertiary winding. both shunt and series field winding. only series field winding. only shunt field winding. tertiary winding. both shunt and series field winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the commutator pitch? Number of conductors spanned by one coil at the back end of the armature. Number of conductors spanned by one coil at the front end of the armature. The distance between the staring of first coil and its next successive coil Number of commutator segments between two successive coils. Number of conductors spanned by one coil at the back end of the armature. Number of conductors spanned by one coil at the front end of the armature. The distance between the staring of first coil and its next successive coil Number of commutator segments between two successive coils. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will run at very high speed. start haunting. burn. run at very low speed. run at very high speed. start haunting. burn. run at very low speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is 90o. 180o. dependent upon the load. 0o. 90o. 180o. dependent upon the load. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of emf with concentrated winding to emf with distributed winding. None of these emf with distributed winding to emf with concentrated winding. both 1 and 2. emf with concentrated winding to emf with distributed winding. None of these emf with distributed winding to emf with concentrated winding. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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