Electrical Machines DC machine is a conduction machine. none of above are correct. convection machine. both are correct. conduction machine. none of above are correct. convection machine. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be 4.8% and -3.2% 3.2% and -1.6% None of these 6% and -4% 4.8% and -3.2% 3.2% and -1.6% None of these 6% and -4% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable load. variable frequency. variable supply voltage. windage friction. variable load. variable frequency. variable supply voltage. windage friction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ V T∝ V² T ∝ 1/V² T ∝ 1/V T ∝ V T∝ V² T ∝ 1/V² T ∝ 1/V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux decreases increases. decreases. remains constant. decreases increases. decreases. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 60°. 90°. 30°. 120°. 60°. 90°. 30°. 120°. ANSWER DOWNLOAD EXAMIANS APP
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