Electrical Machines The armature shaft must be able to withstand bending moment due to weight of the armature. twisting strains due to transmission of torque. any unbalanced magnetic pull on the armature core. All of these bending moment due to weight of the armature. twisting strains due to transmission of torque. any unbalanced magnetic pull on the armature core. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? All of these. Applied voltage. Field flux. Armature current. All of these. Applied voltage. Field flux. Armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is equal to primary. greater than the primary. any of the above. less than primary. equal to primary. greater than the primary. any of the above. less than primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is crossmagnetising. demagnetising. none of above. magnetising. crossmagnetising. demagnetising. none of above. magnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. silicon steel. stainless steel. aluminium. closed grained cast iron. silicon steel. stainless steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as A capacitor. an inductor. None of these. A resistor. A capacitor. an inductor. None of these. A resistor. ANSWER DOWNLOAD EXAMIANS APP
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