Electrical Machines Hysteresis loss will depends on f³ f1.6 f² f f³ f1.6 f² f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, for the same value of Æ, Z and N; which one of the following statements is correct? Armature emf is same as long as the flux density in the air gap remains the same. Armature emf depends on weather the machine is running as a motor or generator. Armature emf is more with wave winding than with lap winding. Armature emf is less with wave winding than with lap winding. Armature emf is same as long as the flux density in the air gap remains the same. Armature emf depends on weather the machine is running as a motor or generator. Armature emf is more with wave winding than with lap winding. Armature emf is less with wave winding than with lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine armature winding has thick leads whereas field winding has thin leads both the windings have thin leads armature winding has thin leads whereas field winding has thick leads both the windings have thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thin leads armature winding has thin leads whereas field winding has thick leads both the windings have thick leads ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Low short circuit current None of these High voltage regulation Good voltage regulation Low short circuit current None of these High voltage regulation Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is None of these to carry extra load. to suppress harmonic and unbalance in voltage. to interconnect three voltage systems. None of these to carry extra load. to suppress harmonic and unbalance in voltage. to interconnect three voltage systems. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determent by Flemings right hand rule. Amperes law. Flemings left hand rule. Lenzs law. Flemings right hand rule. Amperes law. Flemings left hand rule. Lenzs law. ANSWER DOWNLOAD EXAMIANS APP