Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? PSC (permanent split capacitor) motor. Shaded pole motor. Split phase motor. None of these PSC (permanent split capacitor) motor. Shaded pole motor. Split phase motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? All of these Insulation requirement is less. Collecting of large current is simple. Operating cost is less. All of these Insulation requirement is less. Collecting of large current is simple. Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 0.3 mg of KOH / gm. 2 mg of KOH / gm. 0.5 mg of KOH / gm. 1 mg of KOH / gm. 0.3 mg of KOH / gm. 2 mg of KOH / gm. 0.5 mg of KOH / gm. 1 mg of KOH / gm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To avoid formation of grooves in the commutator the brushes of opposite polarity should track each other. the brushes of same polarity should track each other. brush position has no effect on the commutator grooving. None of these the brushes of opposite polarity should track each other. the brushes of same polarity should track each other. brush position has no effect on the commutator grooving. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere's law. Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere's law. ANSWER DOWNLOAD EXAMIANS APP
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