Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an series motor. AC synchronous motor. cummulative compound motor. shunt motor. series motor. AC synchronous motor. cummulative compound motor. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts high voltage DC to low voltage DC. Both AC to DC and DC to AC. AC to DC. none of these. high voltage DC to low voltage DC. Both AC to DC and DC to AC. AC to DC. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stray losses in transformer occurs in winding conductors and steel structures of transformer. steel core. paper insulation in transformers. transformer insulating oil. winding conductors and steel structures of transformer. steel core. paper insulation in transformers. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to windage friction. variable supply voltage. variable frequency. variable load. windage friction. variable supply voltage. variable frequency. variable load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft torque of a dc motor is less than the electromagnetic torque because of ohmic losses. eddy current losses. mechanical losses. hysteresis losses. ohmic losses. eddy current losses. mechanical losses. hysteresis losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The change in speed of a DC generator due to increased load is corrected by increasing armature resistance. increasing terminal voltage. increasing input power of the prime mover. increasing armature cooling. increasing armature resistance. increasing terminal voltage. increasing input power of the prime mover. increasing armature cooling. ANSWER DOWNLOAD EXAMIANS APP