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 remain unchanged be more than 10% be less than 10% be 12.5% remain unchanged be more than 10% be less than 10% be 12.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Shunt motor. Series motor. Cummulative compound motor. Differential compound motor. Shunt motor. Series motor. Cummulative compound motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 21% 10% 11% 41% 21% 10% 11% 41% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following type of brush and their application is/are correct All of these copper graphite → low voltage high current density carbon brush → normal ratings electro graphite → large ratings All of these copper graphite → low voltage high current density carbon brush → normal ratings electro graphite → large ratings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine All of these slip positive sequence reactance and negative sequence reactance direct axis reactance and quadrature axis reactance All of these slip positive sequence reactance and negative sequence reactance direct axis reactance and quadrature axis reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 230.2 V. 399 V. 100 V. 50 V. 230.2 V. 399 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
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