DC Generators The armature winding of a dc machine is place on the rotor to ______ Facilitate commutation Reduce losses Reduce armature reaction Save iron Facilitate commutation Reduce losses Reduce armature reaction Save iron 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 None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Thrice the pole pitch Pole pitch Twice the pole pitch None of the listed here Thrice the pole pitch Pole pitch Twice the pole pitch 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 motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only None of the listed here Shunt generator only Both shunt and compound generator Series generator only None of the listed here Shunt generator only Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Type of winding Speed of armature Amount of current to be collected Voltage Type of winding Speed of armature Amount of current to be collected Voltage ANSWER DOWNLOAD EXAMIANS APP
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