Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of bushing stud. condition of bushings. condition of transformer oil. condition of transformer. condition of bushing stud. condition of bushings. condition of transformer oil. condition of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 13 HP. 10 HP. 14 HP. 15 HP. 13 HP. 10 HP. 14 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor decreases. remains same. None of these increases. decreases. remains same. None of these increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC motor operating at rated speed, the speed of the motor will Oscillate around the normal speed. Reduce. Increase. Remain unaltered. Oscillate around the normal speed. Reduce. Increase. Remain unaltered. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 0 V. 60 V. 20 V. 40 V. 0 V. 60 V. 20 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC compound motor the field regulator is provided to control the armature flux. limit the armature current. demagnetize the field partially. control the field flux. control the armature flux. limit the armature current. demagnetize the field partially. control the field flux. ANSWER DOWNLOAD EXAMIANS APP
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