Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Speed of alternators should be same Frequency should be same Terminal voltage is same Both 1and 2 Speed of alternators should be same Frequency should be same Terminal voltage is same Both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 3600 A. 2400 A. 600 A. 1200 A. 3600 A. 2400 A. 600 A. 1200 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of cork gaskets used in transformer. condition of oil in transformer. condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of cork gaskets used in transformer. condition of oil in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 1-phase induction motor, if the forward torque slip is S, what is the backward torque slip? 2-S 1-S 1/S S 2-S 1-S 1/S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and interpolar axis quadrature axis and direct axis direct axis and interpolar axis direct axis and indirect axis quadrature axis and interpolar axis quadrature axis and direct axis direct axis and interpolar axis direct axis and indirect axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the armature reaction results in magnetization of leading and demagnetization of trailing pole tip. magnetization of inter poles. demagnetization of centers of poles. demagnetization of leading & magnetization of trailing pole tip. magnetization of leading and demagnetization of trailing pole tip. magnetization of inter poles. demagnetization of centers of poles. demagnetization of leading & magnetization of trailing pole tip. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS