Electrical Machines Armature of DC machine is made of silicon steel. insulating material. non-ferrous material. conducting material. silicon steel. insulating material. non-ferrous material. conducting material. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, if P be the number of poles and N be the rpm of the rotor, then frequency of magnetic reversals will be PN/3000. PN/60. PN/2. PN/120. PN/3000. PN/60. PN/2. PN/120. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in traction food processing All of these cranes traction food processing All of these cranes 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 lap-winding ? PZL/4Sa² PZL/4S PZL/ 4Sa PZL/4SP² PZL/4Sa² PZL/4S PZL/ 4Sa PZL/4SP² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In applied voltage is reduced in a dc shunt motor Full load speed. None of these. Full load torque. Full load current. Full load speed. None of these. Full load torque. Full load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under commutation results in no sparking. sparking at the middle of the brush. sparking at the leading edge of the brush. sparking the trailing edge of the brush. no sparking. sparking at the middle of the brush. sparking at the leading edge of the brush. sparking the trailing edge of the brush. ANSWER DOWNLOAD EXAMIANS APP
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