Electrical Machines A DC generator can be considered as power pump. rectifier. rotating amplifier. prime mover. power pump. rectifier. rotating amplifier. prime mover. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine makes an angle with the main pole axis which is load dependent. is in direct opposition to the main poles. is in the same direction as the main poles. makes an angle of 90° with the main pole axis. makes an angle with the main pole axis which is load dependent. is in direct opposition to the main poles. is in the same direction as the main poles. makes an angle of 90° with the main pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field divertor method of speed control of a DC series motor gives speed above rated one due to reduction of Armature current. Line current. None of above. Field current. Armature current. Line current. None of above. Field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if φ is the flux per pole and f is the frequency of the emf induced E then E ∝ 1/(φf) E ∝ φf E ∝ f/φ E ∝ φ/f E ∝ 1/(φf) E ∝ φf E ∝ f/φ E ∝ φ/f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of lamination on CRGO steel sheet. condition of oil in transformer. condition of cork gaskets used in transformer. condition of paper insulation in transformer. condition of lamination on CRGO steel sheet. condition of oil in transformer. condition of cork gaskets used in transformer. condition of paper insulation in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for All of this. Centrifugal pumps Blowers and fans. Lathes. All of this. Centrifugal pumps Blowers and fans. Lathes. ANSWER DOWNLOAD EXAMIANS APP