Electrical Machines In most condition which frame of motor will be preferred? Splash proof. Open type. Totally enclosed fan coiled. Drip proof. Splash proof. Open type. Totally enclosed fan coiled. Drip proof. 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 4% 25% 5% 2% 4% 25% 5% 2% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is armature winding field winding interpole winding interpole and compensating windings together armature winding field winding interpole winding interpole and compensating windings together 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 none of above. demagnetisation. cross-magnetisation. cross-magnetization as well as demagnetization. none of above. demagnetisation. cross-magnetisation. cross-magnetization as well as demagnetization. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 10° 45° 30° 60° 10° 45° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 29 Amp. 33.33 Amp. 43 Amp. 44.47 Amp. 29 Amp. 33.33 Amp. 43 Amp. 44.47 Amp. ANSWER DOWNLOAD EXAMIANS APP