Electrical Machines For a DC machine having P no of pair of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance? PZL/ 4Sa PZL/4Sa² PZL/4Sp² PZL/4S PZL/ 4Sa PZL/4Sa² PZL/4Sp² PZL/4S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc compound motor. dc series motor. dc shunt motor with field weakening. dc shunt with armature resistance control. dc compound motor. dc series motor. dc shunt motor with field weakening. dc shunt with armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 1960 Watt. 980 Watt. 1920 Watt. 1800 Watt. 1960 Watt. 980 Watt. 1920 Watt. 1800 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following load normally needs starting torque more than rated torque? Conveyers. Centrifugal pumps. Air compressors. Blowers. Conveyers. Centrifugal pumps. Air compressors. Blowers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as None of these an induction motor a synchronous motor an induction generator None of these an induction motor a synchronous motor an induction generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is magnetising. none of above. demagnetising. crossmagnetising. magnetising. none of above. demagnetising. crossmagnetising. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS