Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. cant be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. cant be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine is in direct opposition to the main poles. makes an angle of 90° with the main pole axis. makes an angle with the main pole axis which is load dependent. is in the same direction as the main poles. is in direct opposition to the main poles. makes an angle of 90° with the main pole axis. makes an angle with the main pole axis which is load dependent. is in the same direction as the main poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce hysteresis loss. both eddy current and hysteresis loss. eddy current loss. ohmic loss. hysteresis loss. both eddy current and hysteresis loss. eddy current loss. ohmic loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux decreases. decreases increases. remains constant. decreases. decreases increases. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - star Star - delta Delta - delta Star - star Delta - star Star - delta Delta - delta Star - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be zero. equal to core loss. more than core loss. less than core loss. zero. equal to core loss. more than core loss. less than core loss. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS