Electrical Machines Armature of DC machine is made of silicon steel. conducting material. non-ferrous material. insulating material. silicon steel. conducting material. non-ferrous material. insulating material. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pair of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance? PZL/4Sa² PZL/4Sp² PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4Sp² PZL/ 4Sa PZL/4S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? less than equal to greater than any of the above less than equal to greater than any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a alternating electric flux. constant magnetic flux. alternating magnetic lux. increasing magnetic flux. alternating electric flux. constant magnetic flux. alternating magnetic lux. increasing magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? None of these above rated speed below rated speed both 1 and 2 None of these above rated speed below rated speed both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in series with the series field in parallel with the shunt field in parallel with the series field in series with the shunt field in series with the series field in parallel with the shunt field in parallel with the series field in series with the shunt field ANSWER DOWNLOAD EXAMIANS APP
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