Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to suppress harmonic and unbalance in voltage. None of these to interconnect three voltage systems. to carry extra load. to suppress harmonic and unbalance in voltage. None of these to interconnect three voltage systems. to carry extra load. 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/4Sa² PZL/4S PZL/4Sp² PZL/ 4Sa PZL/4Sa² PZL/4S PZL/4Sp² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve low starting torque. reduced size. high efficiency. quick acceleration. low starting torque. reduced size. high efficiency. quick acceleration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of stepper motor. slip ring induction motor. hysteresis motor. squirrel cage induction motor. stepper motor. slip ring induction motor. hysteresis motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is All of these zero maximum minimum All of these zero maximum minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a variable reluctance motor. switched reluctance motor. DC motor. induction motor. variable reluctance motor. switched reluctance motor. DC motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
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