DC Generators For the same rating, a dc machine has_______ an ac machines. The same weight as Less weight than None of the listed here More weight than The same weight as Less weight than None of the listed here More weight than ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Ampere turns Flux density Resistance Reluctance Ampere turns Flux density Resistance Reluctance ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load 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 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. Direction of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here Two times the One-half of Three times None of the listed here Two times the One-half of Three times ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to full voltage Excite to one half of full voltage Fail to excite None of the listed here Excite to full voltage Excite to one half of full voltage Fail to excite None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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