Electrical Machines In a DC Shunt Motor if the load current increases then field flux decreases. increases. decreases remains constant. decreases. increases. decreases remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, 1. physically, the brush axis is along the direct axis 2. physically, the brush axis is along the interpolar axis 3. schematically, the brush axis is along the direct axis 4. schematically, the brush axis is along the quadrature axis 5. armaturemmf is directed along the brush axis From these, the correct statements are 1, 4,5 2, 3, 5 2, 4, 5 1 , 3, 5 1, 4,5 2, 3, 5 2, 4, 5 1 , 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is any of the above maximum infinite value zero any of the above maximum infinite value zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load increases None of these decreases remains unaffected increases None of these decreases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 2 ohm. 0.2 ohm 100 ohm 10 ohm 2 ohm. 0.2 ohm 100 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Three phase IM. Squirrel cage IM. Slip ring IM. Single phase IM. Three phase IM. Squirrel cage IM. Slip ring IM. Single phase IM. ANSWER DOWNLOAD EXAMIANS APP
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