Electrical Machines Thin laminations are used in a machine in order to reduce Eddy current losses Copper losses Hysteresis losses Both 1 and 2 Eddy current losses Copper losses Hysteresis losses Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively large and thick large and thin less and thick less and thin large and thick large and thin less and thick less and thin ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short-shunt cumulatively-compounded dc generator builds up a voltage of 220 V at no load at rated speed. If it is operated as a differentially compounded generator, other things remaining the same, it would build up 220 V 6 V more than 220 V somewhat less than 220 V 220 V 6 V more than 220 V somewhat less than 220 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Brush. Commutator. Armature. Yoke. Brush. Commutator. Armature. Yoke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Peaky in nature. Saddle shape. Triangular and directed towards brush axis. Triangular and directed towards main pole. Peaky in nature. Saddle shape. Triangular and directed towards brush axis. Triangular and directed towards main pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase transformer the magnitude of leakage reactance is twice that of resistance of both primary and secondary. With secondary short circuited, the input power factor is 1/√2 2/√5 1/3 1/√5 1/√2 2/√5 1/3 1/√5 ANSWER DOWNLOAD EXAMIANS APP
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