DC Generators The efficiency of a dc generator is maximum when its variable loss is 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 None of the listed here Equal to Constant loss Equal to double the constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide More current but less voltage Less current but more voltage More current and more voltage None of the listed here More current but less voltage Less current but more voltage More current and more voltage None of the listed here 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% 9.1% 11.3% 4.5% 2.8% 9.1% 11.3% 4.5% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Magnetic material of high permeability Lap winding Iron commutator High resistance winding material Magnetic material of high permeability Lap winding Iron commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage May be greater or less than 250 V Will be less than 250 V None of these Will always be 250 V May be greater or less than 250 V Will be less than 250 V None of these Will always be 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Facilitate commutation Reduce armature reaction Reduce losses Save iron Facilitate commutation Reduce armature reaction Reduce losses Save iron ANSWER DOWNLOAD EXAMIANS APP
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