DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 9.1% 4.5% 2.8% 11.3% 9.1% 4.5% 2.8% 11.3% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. A closed circuit Partly open circuit and partly closed circuit None of the listed here An open circuit A closed circuit Partly open circuit and partly closed circuit None of the listed here An open circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Separately excited generator All of these Self-excited generator Level compounded generator Separately excited generator All of these Self-excited generator Level compounded generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Soft copper Hard copper Carbon All of above Soft copper Hard copper Carbon All of above ANSWER DOWNLOAD EXAMIANS APP