Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 36° 72° 30° 18° 36° 72° 30° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 volt dc series motor having an armature resistance of 0.2 Ω takes a load current of 60 A. What will be the torque produced at the shaft of the motor? Consider brush drop of 1V. 234.76 N-m. can not be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. can not be determined. 133.22 N-m 266.20 N-m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 KVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer would occur when the total loss is 500 W 300 W 400W 250 W 500 W 300 W 400W 250 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of wrought iron. cast iron. silicon steel. cast steel. wrought iron. cast iron. silicon steel. cast steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in either of these series motors shunt motors None of these either of these series motors shunt motors None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will increase. remain constant. any of the above. decrease. increase. remain constant. any of the above. decrease. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS