DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? No residual magnetism Speed too high Wrong direction of rotation Open field No residual magnetism Speed too high Wrong direction of rotation Open field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of None of the listed here Magnetic and copper losses Magnetic and mechanical losses Mechanical and copper losses None of the listed here Magnetic and copper losses Magnetic and mechanical losses Mechanical and copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. None of the listed here Less weight than The same weight as More weight than None of the listed here Less weight than The same weight as More weight than ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the series flux To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the series flux To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Number of coils Twice the number of poles Numbers of conductors None of the listed here Number of coils Twice the number of poles Numbers of conductors None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Cast steel Silocon steel Soft iron Wrought iron Cast steel Silocon steel Soft iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP