Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 1 4 ang 1 4 and 2 2 and 2 2 and 1 4 ang 1 4 and 2 2 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? magnetization cross magnetization All of these demagnetization magnetization cross magnetization All of these demagnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control in one direction only. above rated speed. in both direction. below rated speed. in one direction only. above rated speed. in both direction. below rated speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer 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 both Oc and SC tests are conducted on HV side OC test is conducted on HV side and SC test is conducted on LV 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 both Oc and SC tests are conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is AC and DC AC DC None of these AC and DC AC DC None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc generator operating on load with its brushes on the geometrical neutral axis (GNA), the magnetic neutral axis (MNA) is shifted in the direction of rotation. Now, if the brushes are given a lead of 90° (electrical), then the MNA will shift forward by 90° shift forward by more than 90° shift forward by less than 90° coincide with the GNA shift forward by 90° shift forward by more than 90° shift forward by less than 90° coincide with the GNA ANSWER DOWNLOAD EXAMIANS APP