Electrical Machines The inertia constant H of a synchronous condenser is greater than that of hydro generator. none of these. equal to that of the effective length of the line. greater than that of turbo alternator. greater than that of hydro generator. none of these. equal to that of the effective length of the line. greater than that of turbo alternator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The short circuit test on a transformer is conducted to obtain core loses only. hysteresis loss. eddy current loss. copper losses. core loses only. hysteresis loss. eddy current loss. copper losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of the dc motor is generally of the range 0.1 ohm. 100 ohm. 0.5 ohm. 50 ohm. 0.1 ohm. 100 ohm. 0.5 ohm. 50 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is lifts and hoists. blowers. jaw crushers. paper mills. lifts and hoists. blowers. jaw crushers. paper mills. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to heating. over excitation. vibrations. any of these. heating. over excitation. vibrations. any of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a stepper motor the detente torque means maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. ANSWER DOWNLOAD EXAMIANS APP