DC Generators Open circuited armature coil of a D.C. machine is Indicated by a spark completely around the commutator Both of the listed here None of these Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator Both of the listed here None of these Identified by the scarring of the commutator segment to which open circuited coil is connected 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 Laminations of core are generally made of Carbon Silicon steel Case iron Stainless steel Carbon Silicon steel Case iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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 In case of dc machines, mechanical losses are primary function of Speed Current Voltage None of the listed here Speed Current Voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Rough commutator bars Abrasion from dust Excessive spring pressure All of these Rough commutator bars Abrasion from dust Excessive spring pressure All of these ANSWER DOWNLOAD EXAMIANS APP
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