Electrical Machines The commutator segments of DC machines are made up of hard-drawn copper brass copper copper alloy hard-drawn copper brass copper copper alloy ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be heavily loaded and underexcited lightly loaded and over excited heavily loaded and over excited lightly loaded and underecited heavily loaded and underexcited lightly loaded and over excited heavily loaded and over excited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is DC. None of these armature is not present in DC generator. AC. DC. None of these armature is not present in DC generator. AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is flat topped. triangular. pulsating. sinusoidal. flat topped. triangular. pulsating. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region remains constant. increases with increase in the load torque. decreases with decrease in the load torque. decreases with increase in the load torque. remains constant. increases with increase in the load torque. decreases with decrease in the load torque. decreases with increase in the load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if the field flux axis is ahead of the armature field axis in the direction of rotation, the machine operating is asynchronous generator. synchronous motor. synchronous generator. asynchronous motor. asynchronous generator. synchronous motor. synchronous generator. asynchronous motor. ANSWER DOWNLOAD EXAMIANS APP