Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised parabola any of the above hyperbola linearised parabola any of the above hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? unshaded, shaded shaded, unshaded unshaded, unshaded shaded, shaded unshaded, shaded shaded, unshaded unshaded, unshaded shaded, shaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron increases the hysteresis loss. reduces the saturation magnetization. None of these increases the electrical resistivity of iron. increases the hysteresis loss. reduces the saturation magnetization. None of these increases the electrical resistivity of iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Crawling in an induction motor is due to slip ring rotor. space harmonics produced by winding currents. time harmonics in supply. insufficient starting torque. slip ring rotor. space harmonics produced by winding currents. time harmonics in supply. insufficient starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Series. Compound. Parallel. None of the options. Series. Compound. Parallel. None of the options. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an induction generator. induction motor. synchronous generator. synchronous motor. induction generator. induction motor. synchronous generator. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP