Electrical Machines In salient pole synchronous machine, the reluctance power varies as cos2δ sin2δ cosδ sinδ cos2δ sin2δ cosδ sinδ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? no load half load full load any of the above no load half load full load any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sparking at the the brushes, in a DC machines is due to reactance voltage. armature reaction. presence of commutator. high resistance of carbon brushes. reactance voltage. armature reaction. presence of commutator. high resistance of carbon brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.04, 1.96 0.02, 0.98 0.04, 0.96 0.02, 1.98 0.04, 1.96 0.02, 0.98 0.04, 0.96 0.02, 1.98 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Equalizer rings are used in which of the followings? lap winding wave winding both 1 and 2 None of these lap winding wave winding both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power will be developed when back emf is half of the supply voltage. double the supply voltage. equal to supply voltage. All of these half of the supply voltage. double the supply voltage. equal to supply voltage. All of these ANSWER DOWNLOAD EXAMIANS APP