Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 10 KW. 8 KW. 0. 2 KW. 10 KW. 8 KW. 0. 2 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? power factor of load None of these both 1 and 2 magnitude of load current power factor of load None of these both 1 and 2 magnitude of load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to zero or very low voltage supply. high filed circuit resistance. all of these. over load. zero or very low voltage supply. high filed circuit resistance. all of these. over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 180. 30. 270. 45. 180. 30. 270. 45. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Blowers and fans. All of this. Centrifugal pumps Lathes. Blowers and fans. All of this. Centrifugal pumps Lathes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? All of these pole chamfering compensating winding pole stacking All of these pole chamfering compensating winding pole stacking ANSWER DOWNLOAD EXAMIANS APP
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