Electrical Machines Which of the following motor used in hair dryers? Shaded pole IM. Cage induction motor. Synchronous motors. Split phase IM. Shaded pole IM. Cage induction motor. Synchronous motors. Split phase IM. 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/ 4Sa PZL/4S PZL/4Sa² PZL/4Sp² PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4Sp² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Half lv inside and half hv outside on each core limb Half hv inside and half lv outside on each core limb Lv on one core limb and hv on the other Sandwiched lv and hv discs on each core limb Half lv inside and half hv outside on each core limb Half hv inside and half lv outside on each core limb Lv on one core limb and hv on the other Sandwiched lv and hv discs on each core limb ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a three phase induction motor has an impedance of 0.4 + j4 ohm per phase at standstill the maximum torque occurs at a slip of _____________. 10 %. 50 %. 15 %. 25 %. 10 %. 50 %. 15 %. 25 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Series motor without interpoles. Series motor with interpoles. Shunt motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. Series motor with interpoles. Shunt motor with interpoles. Cummulative compound motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The functions of inter poles are None of these reduce cross magnetization effect and improve commutation nullify reactance voltage and improve the commutation. both 1 and 2 None of these reduce cross magnetization effect and improve commutation nullify reactance voltage and improve the commutation. both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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