Electrical Machines Iron loss in a transformer mainly occurs in winding of transformer. transformer insulating oil. iron made tank of transformer. steel core in transformer. winding of transformer. transformer insulating oil. iron made tank of transformer. steel core in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? All of the them Hysteresis losses Friction and windage losses Eddy current losses All of the them Hysteresis losses Friction and windage losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is not suitable for frequent starting and stopping? Capacitor run motor All of these Capacitor split phase motor Resistance split phase motor Capacitor run motor All of these Capacitor split phase motor Resistance split phase motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is sinusoidal. triangular. rectangular. pulsating. sinusoidal. triangular. rectangular. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on X-axis and power factor on Y-axis field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis field current on X-axis and armature current on Y-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they have maximum efficiency and maximum starting torque. they are capable of operation under range of leading and lagging pf. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they have maximum efficiency and maximum starting torque. they are capable of operation under range of leading and lagging pf. ANSWER DOWNLOAD EXAMIANS APP
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