Electrical Machines Flashing the field of DC generator means making the magnetic losses forces parallel. creating residual magnetism by a DC source. neutralising residual magnetism. increasing flux density by adding extra turns of winding. making the magnetic losses forces parallel. creating residual magnetism by a DC source. neutralising residual magnetism. increasing flux density by adding extra turns of winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip None of these 0 .001 %. 3 %. 3.33 %. None of these 0 .001 %. 3 %. 3.33 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? None of these magnitude of load current power factor of load both 1 and 2 None of these magnitude of load current power factor of load both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Belt conveyors offer _______________ starting torque. low. high. zero. medium. low. high. zero. medium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on load angle excitation both 1and 2 synchronous reactance load angle excitation both 1and 2 synchronous reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 399 V. 230.2 V. 100 V. 50 V. 399 V. 230.2 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
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