DC Generators Brushes of D.C. machines are made of Hard copper Carbon Soft copper All of above Hard copper Carbon Soft copper All of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Open field Wrong direction of rotation No residual magnetism Speed too high Open field Wrong direction of rotation No residual magnetism Speed too high ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators For the same rating, a dc machine has_______ an ac machines. More weight than 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of Any odd number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any even number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Number of conductors Length of conductor All of the listed here Cross sectional area of the conductor Number of conductors Length of conductor All of the listed here Cross sectional area of the conductor ANSWER DOWNLOAD EXAMIANS APP
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