Electrical Machines In DC generator on no-load, the air gap flux distribution in space is sinusoidal. pulsating. triangular. flat topped. sinusoidal. pulsating. triangular. flat topped. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 10 volts. 40 volts. 30 volts. 20 volts. 10 volts. 40 volts. 30 volts. 20 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? All of these Collecting of large current is simple. Operating cost is less. Insulation requirement is less. All of these Collecting of large current is simple. Operating cost is less. Insulation requirement is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on None of these rotor shaft. stator frame. pole faces. None of these rotor shaft. stator frame. pole faces. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronising power of a synchronous motor varies directly as Xs2 All of these inversely as 1/Xs directly as synchronous reactances Xs directly as Xs2 All of these inversely as 1/Xs directly as synchronous reactances Xs ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 100W 1000W 500W 3000W 100W 1000W 500W 3000W ANSWER DOWNLOAD EXAMIANS APP
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