Electrical Machines Which of following motor is preferred for belt conveyor? Slip ring induction motor. Universal motor. Synchronous motors. Reluctance motor. Slip ring induction motor. Universal motor. Synchronous motors. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Copper loss. Eddy current loss. Hysteresis loss. Stray loss. Copper loss. Eddy current loss. Hysteresis loss. Stray loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp? Can't be determined. 20 N. 15 N. None of these. Can't be determined. 20 N. 15 N. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Terminal voltage is same Both 1and 2 Frequency should be same Speed of alternators should be same Terminal voltage is same Both 1and 2 Frequency should be same Speed of alternators should be same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The breakdown torque of a synchronous motor varies as V² 1/V applied voltage V 1/V² V² 1/V applied voltage V 1/V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Where the shunt generators are widely used? Where often load fluctuation is occurred. Where the load is very high. Where voltage variation is needed over a wide load range. Where a constant voltage is required over a narrow load range. Where often load fluctuation is occurred. Where the load is very high. Where voltage variation is needed over a wide load range. Where a constant voltage is required over a narrow load range. ANSWER DOWNLOAD EXAMIANS APP