Electrical Machines The torque developed in IM is nearly proportional to V2. V. 1 / V2. 1 / V. V2. V. 1 / V2. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lead unity 0.2 lag 0.9 lag 0.2 lead unity 0.2 lag 0.9 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand All of these any unbalanced magnetic pull on the armature core. bending moment due to weight of the armature. twisting strains due to transmission of torque. All of these any unbalanced magnetic pull on the armature core. bending moment due to weight of the armature. twisting strains due to transmission of torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using V connection. delta connection. star connection. zig - zag connection. V connection. delta connection. star connection. zig - zag connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For 250 volt DC Shunt Motor the armature and field resistance are 0.5 ohm and 250 ohm respectively. What will be the back e.m.f. produced when it takes a load current of 21A. 240 V. 150 V. 280 V. 220 V. 240 V. 150 V. 280 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
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