DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage Will always be 250 V Will be less than 250 V May be greater or less than 250 V None of these Will always be 250 V Will be less than 250 V May be greater or less than 250 V None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has None of the listed here Inductance Capacitance Resistance None of the listed here Inductance Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Cast-iron Nonferrous material Copper Silicon steel Cast-iron Nonferrous material Copper Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to Constant loss Equal to double the constant loss Equal to half of constant loss None of the listed here Equal to Constant loss Equal to double the constant loss Equal to half of constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon lubricates and polishes the commutator None of the listed here Contact resistance is decreased Carbon is cheap Carbon lubricates and polishes the commutator None of the listed here Contact resistance is decreased Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Brazing Resistance wires Copper lugs Insulation pads Brazing Resistance wires Copper lugs Insulation pads ANSWER DOWNLOAD EXAMIANS APP
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