DC Generators The armature of a dc machine is made of ______ Cast steel Wrought iron Silocon steel Soft iron Cast steel Wrought iron Silocon steel Soft iron 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 2.8% 4.5% 9.1% 11.3% 2.8% 4.5% 9.1% 11.3% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Speed of armature Voltage Type of winding Amount of current to be collected Speed of armature Voltage Type of winding Amount of current to be collected ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Shunt Over compounded Series Flat compounded Shunt Over compounded Series Flat compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Save iron Facilitate commutation Reduce losses Reduce armature reaction Save iron Facilitate commutation Reduce losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is None of the listed here Equal to Constant loss Equal to double the constant loss Equal to half of constant loss None of the listed here Equal to Constant loss Equal to double the constant loss Equal to half of constant loss ANSWER DOWNLOAD EXAMIANS APP
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