Electrical Machines If a DC motor is connected across the AC supply it will Run at lower speed. Not run. Run at normal speed. Burn. Run at lower speed. Not run. Run at normal speed. Burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. has no relation. inversely. directly. none of these. has no relation. inversely. directly. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer oil is used as inert medium. an insulator. both A and B. a coolant. inert medium. an insulator. both A and B. a coolant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be more than 10% be less than 10% remain unchanged be 12.5% be more than 10% be less than 10% remain unchanged be 12.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? either of these exactly opposite None of these same either of these exactly opposite None of these same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase slip-ring induction motor, brushes are connected to DC supply. 3 - Φ AC supply. equalizing coils. external star-connected resistors. DC supply. 3 - Φ AC supply. equalizing coils. external star-connected resistors. ANSWER DOWNLOAD EXAMIANS APP