DC Generators Shunt generators are most suited for stable parallel operation because of their drooping voltage characteristics linear voltage characteristics rising voltage characteristics identical voltage characteristics drooping voltage characteristics linear voltage characteristics rising voltage characteristics identical voltage characteristics 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 check armature insulation resistance increase the speed of primemover reverse the field connections increase the field resistance check armature insulation resistance increase the speed of primemover reverse the field connections increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 8 pole 4 pole 2 pole 6 pole 8 pole 4 pole 2 pole 6 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on 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 Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature resistance drop Commutation Field weakening due to armature reaction and armature Armature reaction Armature resistance drop Commutation Field weakening due to armature reaction and armature Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Sinusoidal Pulsating Flat topped Triangular Sinusoidal Pulsating Flat topped Triangular ANSWER DOWNLOAD EXAMIANS APP