Electrical Machines In case of IM the torque is directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce copper loss. eddy electric current loss. vibrations. hysteresis loss. copper loss. eddy electric current loss. vibrations. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an induction motor. induction generator. synchronous motor. synchronous generator. induction motor. induction generator. synchronous motor. synchronous generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will burn. run at normal speed. not run. run at lower speed. burn. run at normal speed. not run. run at lower speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing the field of DC generator means creating residual magnetism by a DC source. neutralising residual magnetism. increasing flux density by adding extra turns of winding. making the magnetic losses forces parallel. creating residual magnetism by a DC source. neutralising residual magnetism. increasing flux density by adding extra turns of winding. making the magnetic losses forces parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of high viscosity. low resistivity. low viscosity. low BDV. high viscosity. low resistivity. low viscosity. low BDV. ANSWER DOWNLOAD EXAMIANS APP