Electrical Machines As compared to an induction motor, the air gap in a DC motor is between 50% and 90%. same. less than 50%. more. between 50% and 90%. same. less than 50%. more. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively 33.33 MW and 66.67 MW respectively any of the above 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively 33.33 MW and 66.67 MW respectively any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sparking at the the brushes, in a DC machines is due to presence of commutator. reactance voltage. high resistance of carbon brushes. armature reaction. presence of commutator. reactance voltage. high resistance of carbon brushes. armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of stainless steel. aluminium. carbon. phosphor bronze. stainless steel. aluminium. carbon. phosphor bronze. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power will be developed when back emf is half of the supply voltage. equal to supply voltage. double the supply voltage. All of these half of the supply voltage. equal to supply voltage. double the supply voltage. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S S 1/S 1/(1-S) 1-S S 1/S 1/(1-S) ANSWER DOWNLOAD EXAMIANS APP
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