Electrical Machines The slot edges in a DC machine are made of Silicon steel. Mild steel. Cast iron. Fibre. Silicon steel. Mild steel. Cast iron. Fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Shaded pole Capacitor run Resistance split phase Capacitor start Shaded pole Capacitor run Resistance split phase Capacitor start ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in None of these delta. delta or star according to need. star. None of these delta. delta or star according to need. star. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the frequency of input voltage of a transformer is increased keeping the magnitude of voltage unchanged, then Ph will increase but Pe will decrease Ph will decrease but Pe will remain same both hysteresis loss(Ph) and eddy current loss(Pe) will increase Pe will increase but Ph will decrease Ph will increase but Pe will decrease Ph will decrease but Pe will remain same both hysteresis loss(Ph) and eddy current loss(Pe) will increase Pe will increase but Ph will decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly cast iron. carbon. copper. mica. cast iron. carbon. copper. mica. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor power factor at starting is low as compared to that while running. none of them. power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. power factor at starting is low as compared to that while running. none of them. power factor at starting in the same as that while running. power factor at starting is high as compared to that while running. ANSWER DOWNLOAD EXAMIANS APP
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