Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T is independent of P T∝ P T∝ P² T∝ P³ T is independent of P T∝ P T∝ P² T∝ P³ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 36. 18. 50. 80. 36. 18. 50. 80. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 1 0 2 3 or 4 1 0 2 3 or 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon shape of the pole shoe. all of above. clearance between tips of the adjacent pole shoes. size of air gap. shape of the pole shoe. all of above. clearance between tips of the adjacent pole shoes. size of air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to windage friction. variable load. variable supply voltage. variable frequency. windage friction. variable load. variable supply voltage. variable frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the supply terminal of a DC shunt motor are interchanged The motor will stop. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The direction of rotation will reverse. The motor will stop. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The direction of rotation will reverse. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS