DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 2% to 5% 15 to 25% More than 20% Less than 0.5 % 2% to 5% 15 to 25% More than 20% Less than 0.5 % ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Silicon steel Aluminum Soft iron Cast steel Silicon steel Aluminum Soft iron Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Level compounded generator All of these Self-excited generator Separately excited generator Level compounded generator All of these Self-excited generator Separately excited generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Stainless steel Carbon Silicon steel Case iron Stainless steel Carbon Silicon steel Case iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust ANSWER DOWNLOAD EXAMIANS APP
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