Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Collecting of large current is simple. Insulation requirement is less. All of these Operating cost is less. Collecting of large current is simple. Insulation requirement is less. All of these Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In one 132 / 33 kV transformer the LV resistance is 0.02 per unit. The resistance referred to HV side is 0.08 pu. 0.01 pu. 0.02 pu. 0.16 pu. 0.08 pu. 0.01 pu. 0.02 pu. 0.16 pu. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For 250 volt DC Shunt Motor the armature and field resistance are 0.5 ohm and 250 ohm respectively. What will be the back e.m.f. produced when it takes a load current of 21A. 280 V. 150 V. 220 V. 240 V. 280 V. 150 V. 220 V. 240 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor regulates its armature voltage. helps in energy conversion. exceeds supply voltage aids applied voltage. regulates its armature voltage. helps in energy conversion. exceeds supply voltage aids applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Nothing will happen. Fail to start. Will results in open circuit. Will results in short circuit. Nothing will happen. Fail to start. Will results in open circuit. Will results in short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Slip ring induction motor. Synchronous motor. Reluctance motor. DC shunt motor. Slip ring induction motor. Synchronous motor. Reluctance motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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