DC Generators Open circuited armature coil of a D.C. machine is None of these Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator None of these Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Iron loss Constant loss Mechanical loss Stray loss Iron loss Constant loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the critical resistance refers to the resistance of Load Field Brushes Armature Load Field Brushes Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Sometime aid, sometime oppose Oppose Aid None of the listed here Sometime aid, sometime oppose Oppose Aid None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a None of the listed here Parabola Hydrobola Straight line None of the listed here Parabola Hydrobola Straight line ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Mechanical and copper losses 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 ANSWER DOWNLOAD EXAMIANS APP