Electrical Machines The use of double squirrel cage winding on the rotor provides a large starting torque. higher efficiency. low noise. reduced starting torque. a large starting torque. higher efficiency. low noise. reduced starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 35 ppm. 45 ppm. 20 ppm. 25 ppm. 35 ppm. 45 ppm. 20 ppm. 25 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer both OC and SC tests are conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side both OC and SC tests are conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Increases. Decreases. Remain unchanged None of above. Increases. Decreases. Remain unchanged None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing equalizer rings. carbon brushes. graphite brushes. commutator with large number of segments. equalizer rings. carbon brushes. graphite brushes. commutator with large number of segments. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Motors for fans and pumps are selected in the rpm range 720 to 920. 1440 to 2880. 375 to 500. 500 to 720. 720 to 920. 1440 to 2880. 375 to 500. 500 to 720. ANSWER DOWNLOAD EXAMIANS APP
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