Electrical Machines High starting torque and low starting current is the advantage of hysteresis motor. stepper motor. slip ring induction motor. squirrel cage induction motor. hysteresis motor. stepper motor. slip ring induction motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is magnetising. demagnetising. crossmagnetising. none of above. magnetising. demagnetising. crossmagnetising. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between the supply voltage and the back emf. the rotating stator flux and rotor flux. None of these magnetizing electric current and back emf. the supply voltage and the back emf. the rotating stator flux and rotor flux. None of these magnetizing electric current and back emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 1.644 KW. 5.46 KW. 2.73 KW. 0.9103 KW. 1.644 KW. 5.46 KW. 2.73 KW. 0.9103 KW. ANSWER DOWNLOAD EXAMIANS APP
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/4Sp² PZL/4S PZL/ 4Sa PZL/4Sa² PZL/4Sp² PZL/4S PZL/ 4Sa PZL/4Sa² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two dc machines A and B, using the same conductor material, have armature circuit resistances of 0.4 Ω and 1.2 Ω respectively. Of the two machines, A is bigger than B for the same voltage rating B is bigger than A for the same current rating both are of the same size for the same current rating A is bigger than B for the same current rating A is bigger than B for the same voltage rating B is bigger than A for the same current rating both are of the same size for the same current rating A is bigger than B for the same current rating ANSWER DOWNLOAD EXAMIANS APP
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