Electrical Machines Swinburne test is conducted under which of the following condition? no load half load any of the above full load no load half load any of the above full load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 48.5 Hz 45 HZ 48 Hz 50 Hz 48.5 Hz 45 HZ 48 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronising power of a synchronous motor varies directly as synchronous reactances Xs All of these directly as Xs2 inversely as 1/Xs directly as synchronous reactances Xs All of these directly as Xs2 inversely as 1/Xs ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to the width more than 3 commutator segment. less than the width of commutator segment. the width of the 1 to 2 commutator segment. the width of the 2 to 3 commutator segment. the width more than 3 commutator segment. less than the width of commutator segment. the width of the 1 to 2 commutator segment. the width of the 2 to 3 commutator segment. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Yoke. Commutator. Brush. Armature. Yoke. Commutator. Brush. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? Transistor series regulator. Zener diode shunt regulator. Transistor shunt regulator. None of these Transistor series regulator. Zener diode shunt regulator. Transistor shunt regulator. None of these ANSWER DOWNLOAD EXAMIANS APP
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