Electrical Machines The armature of DC motor is laminated to reduce the hysteresis loss. to reduce the inductor. to reduce the mass. to reduce the eddy current loss. to reduce the hysteresis loss. to reduce the inductor. to reduce the mass. to reduce the eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Avoid sparking. Limit the speed. Limit the flux. Limit the current. Avoid sparking. Limit the speed. Limit the flux. Limit the current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole winding field winding armature winding interpole and compensating windings together interpole winding field winding armature winding interpole and compensating windings together ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is cumulatively compounded. shunt connected. differentially compounded. separately excited. cumulatively compounded. shunt connected. differentially compounded. separately excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 33.33 MW and 66.67 MW respectively any of the above 66.67 MW and 33.33 MW respectively 50 MW and 50 MW respectively 33.33 MW and 66.67 MW respectively any of the above 66.67 MW and 33.33 MW respectively 50 MW and 50 MW respectively ANSWER DOWNLOAD EXAMIANS APP
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