Electrical Machines Hopkinson test is conducted under which of the following condition? any of the above full load half load no load any of the above full load half load no load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will stop. The motor will run at its normal speed in the same direction as before. The motor will run in reverse direction. The motor will run much faster in the same direction. The motor will stop. The motor will run at its normal speed in the same direction as before. The motor will run in reverse direction. The motor will run much faster in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is AC AC and DC DC None of these AC AC and DC DC None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? ∞ 0 a finite negative value a positive finite value ∞ 0 a finite negative value a positive finite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of silicon steel. aluminium. stainless steel. closed grained cast iron. silicon steel. aluminium. stainless steel. closed grained cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if the field flux axis is ahead of the armature field axis in the direction of rotation, the machine operating is synchronous generator. asynchronous generator. asynchronous motor. synchronous motor. synchronous generator. asynchronous generator. asynchronous motor. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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