DC Generators For the same rating, a dc machine has_______ an ac machines. Less weight than More weight than The same weight as None of the listed here Less weight than More weight than The same weight as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Speed too high Open field Wrong direction of rotation No residual magnetism Speed too high Open field Wrong direction of rotation No residual magnetism ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage Will always be 250 V Will be less than 250 V May be greater or less than 250 V None of these Will always be 250 V Will be less than 250 V May be greater or less than 250 V None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only Both shunt and compound generator None of the listed here Series generator only Shunt generator only Both shunt and compound generator None of the listed here Series generator only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Graphite brushes Carbon brushes Metal graphite brushes None of these Graphite brushes Carbon brushes Metal graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Twice the pole pitch None of the listed here Pole pitch Thrice the pole pitch Twice the pole pitch None of the listed here Pole pitch Thrice the pole pitch ANSWER DOWNLOAD EXAMIANS APP