Electrical Machines Slip rings of an induction motors are made of stainless steel. carbon. phosphor bronze. aluminium. stainless steel. carbon. phosphor bronze. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately hyperbola linearised parabola any of the above hyperbola linearised parabola any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? series generators both B and C over compound generator shunt generator series generators both B and C over compound generator shunt generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing commutator with large number of segments. equalizer rings. graphite brushes. carbon brushes. commutator with large number of segments. equalizer rings. graphite brushes. carbon brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to control field current. none of above. limit the armature current. vary the armature resistance. control field current. none of above. limit the armature current. vary the armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 45°C. 27°C. 32°C. 35°C. 45°C. 27°C. 32°C. 35°C. ANSWER DOWNLOAD EXAMIANS APP
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