Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is rectangular sinusoidal co- sinusoidal flat-topped rectangular sinusoidal co- sinusoidal flat-topped ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 0.5 1 0 any of the above 0.5 1 0 any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is ineffective. demagnetizing. cross – magnetizing. magnetizing. ineffective. demagnetizing. cross – magnetizing. magnetizing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P² T∝ P³ T∝ P T is independent of P T∝ P² T∝ P³ T∝ P T is independent of P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Peaky in nature. Saddle shape. Triangular and directed towards main pole. Triangular and directed towards brush axis. Peaky in nature. Saddle shape. Triangular and directed towards main pole. Triangular and directed towards brush axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of carbon. cast iron. stainless steel. silicon steel. carbon. cast iron. stainless steel. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
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