Electrical Machines The 3 - Φ induction motor with rotor circuit open will make noise. get over heated. run normally. not run. make noise. get over heated. run normally. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts none of these. AC to DC. Both AC to DC and DC to AC. high voltage DC to low voltage DC. none of these. AC to DC. Both AC to DC and DC to AC. high voltage DC to low voltage DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 0°. 30°. 75°. 45°. 0°. 30°. 75°. 45°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC mototr are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor? 14.28%. 16.67%. 15.30%. 18.25%. 14.28%. 16.67%. 15.30%. 18.25%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at lagging power factor. leading power factor. any of the above. unity power factor. lagging power factor. leading power factor. any of the above. unity power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM has a rotor speed of 987 rpm find rotor frequency? 0.70 Hz. 0.75 Hz. 60 Hz. 0.65 Hz. 0.70 Hz. 0.75 Hz. 60 Hz. 0.65 Hz. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS