DC Generators In a D.C. generator Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Silicon steel Copper Nonferrous material Cast-iron Silicon steel Copper Nonferrous material ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. A closed circuit An open circuit None of the listed here Partly open circuit and partly closed circuit A closed circuit An open circuit None of the listed here Partly open circuit and partly closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Speed Current Voltage None of the listed here Speed Current Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 100 10 150 50 100 10 150 50 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here Equal to half of constant loss Equal to Constant loss Equal to double the constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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