Electrical Machines Which type of motors are preferred in lifts? DC series motors. DC compound motors. DC shunt motors. None of these DC series motors. DC compound motors. DC shunt motors. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 240 A. 173 A. 190 A. 127 A. 240 A. 173 A. 190 A. 127 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has rms value. maximum value. average value. total value. rms value. maximum value. average value. total value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf? 200V 10V 100V 20V 200V 10V 100V 20V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor has which of the following characteristics? Can be started easily without load. Has a almost constant speed. Has its field winding consinting of thick wire and less no of turns. Has a poor torque. Can be started easily without load. Has a almost constant speed. Has its field winding consinting of thick wire and less no of turns. Has a poor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The overall power factor of an on load transformer is always lagging. is always leading. is always unity. depends on the power factor of the load. is always lagging. is always leading. is always unity. depends on the power factor of the load. ANSWER DOWNLOAD EXAMIANS APP
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