Electrical Machines Induction motors have the advantage of less cost. simple in construction. all of below. less maintenance. less cost. simple in construction. all of below. less maintenance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation of transformer is given by (V2 - E2) / E2 (E2 - V2) / V2 (E2 - V2) / E2 (V2 - E2) / V2 (V2 - E2) / E2 (E2 - V2) / V2 (E2 - V2) / E2 (V2 - E2) / V2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is 5% 25% 2% 4% 5% 25% 2% 4% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 100 V. 50 V. 399 V. 230.2 V. 100 V. 50 V. 399 V. 230.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be cross-magnetisation. none of above. cross-magnetization as well as demagnetization. demagnetisation. cross-magnetisation. none of above. cross-magnetization as well as demagnetization. demagnetisation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following methods are used to control the speed of DC motors is All of these supply voltage control armature circuit resistance control field current control All of these supply voltage control armature circuit resistance control field current control ANSWER DOWNLOAD EXAMIANS APP