DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 600 V 640 V 620 V 580 V 600 V 640 V 620 V 580 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Graphite brushes Metal graphite brushes None of these Carbon brushes Graphite brushes Metal graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic External resistance = internal characteristic armature reaction External characteristic = magnetization characteristic ohmic drop armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic ANSWER DOWNLOAD EXAMIANS APP
DC Generators High voltage dc machine use _____ winding. Wave None of the listed here Either lap or wave Lap Wave None of the listed here Either lap or wave Lap ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of induced e.m.f. Direction of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage Will be less than 250 V Will always be 250 V May be greater or less than 250 V None of these Will be less than 250 V Will always be 250 V May be greater or less than 250 V None of these ANSWER DOWNLOAD EXAMIANS APP