DC Generators For a D.C. machines laboratory following type of D.C. supply will be suitable Synchronous motor D.C. generator set Induction motor D.C. generator set Rotary converter Mercury are rectifier Synchronous motor D.C. generator set Induction motor D.C. generator set Rotary converter Mercury are rectifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and mechanical losses None of the listed here Magnetic and copper losses Mechanical and copper losses Magnetic and mechanical losses None of the listed here Magnetic and copper losses Mechanical and copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Carbon Copper Mica Cast iron Carbon Copper Mica Cast iron 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 In a dc generator, the eddy current power loss is Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination None of the listed here Directly proportional to sqaure of thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
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