Electrical Machines In V/f speed control of 3-phase induction motor, with increase in frequency, the slip at which maximum torque occurs decrease. None of these either of these. increase. decrease. None of these either of these. increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on full load. the generator runs on designed speed. there is no load on the generator. the generator runs on overload. the generator runs on full load. the generator runs on designed speed. there is no load on the generator. the generator runs on overload. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Faradays law of electromagnetic induction. Amperes law. Newtons law. Coulombs law. Faradays law of electromagnetic induction. Amperes law. Newtons law. Coulombs law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The speed of motor will be reduced. The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor The speed of motor will be reduced. The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3 - Φ, 4 pole, 50 Hz IM rotating at full load speed of 1440 rpm, calculate speed of rotor field with respect to rotor structure and stator structure respectively? 60, 1440. 1440, 1500. 60, 1500. 50, 1500. 60, 1440. 1440, 1500. 60, 1500. 50, 1500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Reduced iron loss. Increase in weight/KVA. Decrease in weight/KVA. Reduced copper loss. Reduced iron loss. Increase in weight/KVA. Decrease in weight/KVA. Reduced copper loss. ANSWER DOWNLOAD EXAMIANS APP
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