Electrical Machines Which of the following represents the rotating losses of machine? All of the them Friction and windage losses Hysteresis losses Eddy current losses All of the them Friction and windage losses Hysteresis losses Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to 350 V. 480 V. 400 V. 420 V. 350 V. 480 V. 400 V. 420 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following type of brush and their application is/are correct copper graphite → low voltage high current density electro graphite → large ratings All of these carbon brush → normal ratings copper graphite → low voltage high current density electro graphite → large ratings All of these carbon brush → normal ratings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of less maintenance. simple in construction. all of below. less cost. less maintenance. simple in construction. all of below. less cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Lenz's law. Fleming's left hand rule. Ampere law. Fleming's right hand rule. Lenz's law. Fleming's left hand rule. Ampere law. Fleming's right hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? low current and high voltage low current and low voltage high current and low voltage high current and high voltage low current and high voltage low current and low voltage high current and low voltage high current and high voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS