DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of None of the listed here 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Distorted only Weakend only None of the listed here Weakened as well as distorted Distorted only Weakend only None of the listed here Weakened as well as distorted ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Terminal voltage drops considerably Generated voltage is small It is expensive Shunt field circuit has high resistance Terminal voltage drops considerably Generated voltage is small It is expensive Shunt field circuit has high resistance 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 induced e.m.f. Direction of flux 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 induced e.m.f. Direction of flux 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. ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 100 1600 3200 800 100 1600 3200 800 ANSWER DOWNLOAD EXAMIANS APP
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