Electrical Machines The commutator segments of DC machines are made up of copper alloy copper hard-drawn copper brass copper alloy copper hard-drawn copper brass ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the main field armature core pole shoe All of these main field armature core pole shoe All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase rotor resistance supply frequency supply voltage None of these rotor resistance supply frequency supply voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC generator used for arc welding purpose is a differentially compounded generator series generator cumulatively compounded generator shunt generator differentially compounded generator series generator cumulatively compounded generator shunt generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to limit the armature current. control field current. none of above. vary the armature resistance. limit the armature current. control field current. none of above. vary the armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If two 8-pole dc machines of identical armature sare wound, one with lap winding and the other with wave winding, then wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage lap-wound machine will have more rated voltage and less current lap-wound machine will have more rated voltage and more current wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage lap-wound machine will have more rated voltage and less current lap-wound machine will have more rated voltage and more current ANSWER DOWNLOAD EXAMIANS APP
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