DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Magnetic field Both electrical and magnetic fields Electric field None of the listed here Magnetic field Both electrical and magnetic fields Electric field None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Over compounded generator Flat compounded generator Shunt generator Series generator Over compounded generator Flat compounded generator Shunt generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination None of the listed here 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 None of these May be greater or less than 250 V Will always be 250 V Will be less than 250 V None of these May be greater or less than 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP