DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.5 m 5 m 0.005 mm 0.05 mm 0.5 m 5 m 0.005 mm 0.05 mm ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Voltage Speed of armature Type of winding Amount of current to be collected Voltage Speed of armature Type of winding Amount of current to be collected ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Series generator Long shunt compound generator Any of the above Shunt generator Series generator Long shunt compound generator Any of the above Shunt generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field Magnetic field Both electrical and magnetic fields None of the listed here Electric field Magnetic field Both electrical and magnetic fields None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Copper Silicon steel Cast-iron Nonferrous material Copper Silicon steel Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to reverse the field connections check armature insulation resistance increase the speed of primemover increase the field resistance reverse the field connections check armature insulation resistance increase the speed of primemover increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
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