Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be about 2 V. 220 V. about 50 V. zero. about 2 V. 220 V. about 50 V. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two dc machines A and B, using the same conductor material, have armature circuit resistances of 0.4 Ω and 1.2 Ω respectively. Of the two machines, A is bigger than B for the same current rating B is bigger than A for the same current rating both are of the same size for the same current rating A is bigger than B for the same voltage rating A is bigger than B for the same current rating B is bigger than A for the same current rating both are of the same size for the same current rating A is bigger than B for the same voltage rating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer both OC and SC tests are conducted on LV 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 OC test is conducted on LV side and SC test is conducted on HV side both OC and SC tests are conducted on LV 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 OC test is conducted on LV side and SC test is conducted on HV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing high resistance carbon brushes. any one or more of the above methods. inter poles. compensating winding. high resistance carbon brushes. any one or more of the above methods. inter poles. compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly copper. cast iron. mica. carbon. copper. cast iron. mica. carbon. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to two winding transformer with secondary short circuited. auto transformer. None of these two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. auto transformer. None of these two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
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