Electrical Machines Eddy current loss will depends on Frequency Flux density All of these Thickness Frequency Flux density All of these Thickness ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. Highest speed of alternator is 600 rpm. 3600 rpm. 3000 rpm. 500 rpm. 600 rpm. 3600 rpm. 3000 rpm. 500 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly zig - zag star connected. delta connected. zig - zag delta connected. star connected. zig - zag star connected. delta connected. zig - zag delta connected. star connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, if the supply voltage and frequency are reduced by the same ratio, then slip at which maximum torque occurs is more and maximum torque decreases less and maximum torque decreases less and maximum torque increases more and maximum torque remains constant more and maximum torque decreases less and maximum torque decreases less and maximum torque increases more and maximum torque remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be 12.5% be less than 10% remain unchanged be more than 10% be 12.5% be less than 10% remain unchanged be more than 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a standard frequency the machine operates at a particular speed known as synchronous speed. slip speed. normal speed. any of the above. synchronous speed. slip speed. normal speed. any of the above. ANSWER DOWNLOAD EXAMIANS APP