Electrical Machines The use of higher flux density in the transformer design has no relation with the weight of transformer reduces the weigh per KVA None of these increases the weigh per KVA has no relation with the weight of transformer reduces the weigh per KVA None of these increases the weigh per KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? both B and C shunt generator series generators over compound generator both B and C shunt generator series generators over compound generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Coulombs law. Amperes law. Newtons law. Faradays law of electromagnetic induction. Coulombs law. Amperes law. Newtons law. Faradays law of electromagnetic induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to The voltage across the terminals. The torque required. The speed of motor. None of above. The voltage across the terminals. The torque required. The speed of motor. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results decrease in speed. open circuit. increase in speed. short circuit. decrease in speed. open circuit. increase in speed. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will get damaged. not run. continue running in the same direction as before. run in a direction opposite to previous one. get damaged. not run. continue running in the same direction as before. run in a direction opposite to previous one. ANSWER DOWNLOAD EXAMIANS APP