Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as V f² V² f V f² V² f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve the power factor reduce hunting improve starting torque All of these improve the power factor reduce hunting improve starting torque All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Universal motors. Induction motors. Reluctance motors. Stepper motors. Universal motors. Induction motors. Reluctance motors. Stepper motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? sine wave saddle shape flat tapped or trapezoidal peaky in nature sine wave saddle shape flat tapped or trapezoidal peaky in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along direct axis and interpolar axis quadrature axis and interpolar axis quadrature axis and direct axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and interpolar axis quadrature axis and direct axis direct axis and indirect axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 0 Volt. 1600 Volt. 2000 Volt. 1500 Volt. 0 Volt. 1600 Volt. 2000 Volt. 1500 Volt. ANSWER DOWNLOAD EXAMIANS APP
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