Electrical Machines Which of the following motor is expensive for same Kw output rates? DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power for core loss and copper loss. for core loss and windage and friction loss. for copper loss and windage friction loss. only for the small copper loss. for core loss and copper loss. for core loss and windage and friction loss. for copper loss and windage friction loss. only for the small copper loss. ANSWER DOWNLOAD EXAMIANS APP
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 1.5KW 3KW 0.5Kw 2KW 1.5KW 3KW 0.5Kw ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of lamination on CRGO steel sheet. condition of cork gaskets used in transformer. condition of oil in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. condition of cork gaskets used in transformer. condition of oil in transformer. condition of paper insulation in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is greater than the primary. less than primary. equal to primary. any of the above. greater than the primary. less than primary. equal to primary. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The residual magnetism of a self-excited dc generator is lost. To build up its emf again the field winding must be replaced the field winding connection must be reversed field winding must be excited by low voltage dc supply the armature connection must be reversed the field winding must be replaced the field winding connection must be reversed field winding must be excited by low voltage dc supply the armature connection must be reversed ANSWER DOWNLOAD EXAMIANS APP
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