Electrical Machines which of the following losses are negligible in blocked rotor test? mechanical loss copper loss iron loss both A and B mechanical loss copper loss iron loss both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC shunt generator. DC series generator. DC series motor. DC shunt motor. DC shunt generator. DC series generator. DC series motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam can never be equal to pole pitch. none of above. may or may not be exactly equal to people pitch. must be exactly equal to people pitch. can never be equal to pole pitch. none of above. may or may not be exactly equal to people pitch. must be exactly equal to people pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of aluminium. mild steel. stainless steel. cast iron. aluminium. mild steel. stainless steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. remain the same. decrease. be unpredictable. increase remain the same. decrease. be unpredictable. increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. Rectangular hyperbola Straight line through the origin. Straight line parallel to the speed axis. Circle about the origin. ANSWER DOWNLOAD EXAMIANS APP