Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron increases the hysteresis loss. None of these increases the electrical resistivity of iron. reduces the saturation magnetization. increases the hysteresis loss. None of these increases the electrical resistivity of iron. reduces the saturation magnetization. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 60 V. 20 V. 40 V. 0 V. 60 V. 20 V. 40 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc shunt motor with field weakening. dc compound motor. dc series motor. dc shunt with armature resistance control. dc shunt motor with field weakening. dc compound motor. dc series motor. dc shunt with armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is true for an AC synchronous motor? It is a variable speed motor. It is a step angled motor. It is a high reluctance motor. It is a constant speed motor. It is a variable speed motor. It is a step angled motor. It is a high reluctance motor. It is a constant speed motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to V. 1 / V. 1 / V2. V2. V. 1 / V. 1 / V2. V2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type motors are preferred for lathes? Squirrel Cage induction motor. Either A or B. DC shunt motors. Synchronous motor. Squirrel Cage induction motor. Either A or B. DC shunt motors. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP