DC Generators The commutator segments are connected to the armature conductors by means of Copper lugs Resistance wires Brazing Insulation pads Copper lugs Resistance wires Brazing Insulation pads ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and mechanical losses Magnetic and copper losses Mechanical and copper losses None of the listed here Magnetic and mechanical losses Magnetic and copper losses Mechanical and copper losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide None of the listed here Less current but more voltage More current and more voltage More current but less voltage None of the listed here Less current but more voltage More current and more voltage More current but less voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Overall efficiency Electrical efficiency Mechanical efficiency None of the listed here Overall efficiency Electrical efficiency Mechanical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal speed regulation of their primemovers their rising voltage characteristics unequal number of turns in their series field windings unequal series field resistances unequal speed regulation of their primemovers their rising voltage characteristics unequal number of turns in their series field windings unequal series field resistances ANSWER DOWNLOAD EXAMIANS APP