Electrical Machines Eb/V ratio of a DC motor is an indication of Running Torque. Starting torque. Effiency. Speed regulation. Running Torque. Starting torque. Effiency. Speed regulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. silicon steel. aluminium. stainless steel. closed grained cast iron. silicon steel. aluminium. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is sinusoidal. triangular. pulsating. rectangular. sinusoidal. triangular. pulsating. rectangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? same in both methods None of these armature resistance control field weakening method same in both methods None of these armature resistance control field weakening method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net voltage across the armature resistance at the time of plugging will be 240 V 234 V 474 V 6 V 240 V 234 V 474 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/4Sp² PZL/4Sa² PZL/4S PZL/ 4Sa PZL/4Sp² PZL/4Sa² PZL/4S PZL/ 4Sa ANSWER DOWNLOAD EXAMIANS APP