Electrical Machines Armature resistance control method is also called as-----------? constant torque control constant current control constant voltage control constant power control constant torque control constant current control constant voltage control constant power control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a DC series motor is Proportional to the square of the armature current. Proportional to field current. Proportional to the armature current. Inversely proportional to the armature current. Proportional to the square of the armature current. Proportional to field current. Proportional to the armature current. Inversely proportional to the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. both A and B none of above armature circuit shunt field both A and B none of above armature circuit shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? any of the above full load no load half load any of the above full load no load half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine A machine B any of the two machines none of these machine A machine B any of the two machines none of these 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 2, 3, 5 2, 4, 5 1 , 3, 5 1, 4,5 2, 3, 5 2, 4, 5 1 , 3, 5 1, 4,5 ANSWER DOWNLOAD EXAMIANS APP
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