Electrical Machines In V/f speed control of 3-phase induction motor, with increase in frequency, the slip at which maximum torque occurs either of these. decrease. increase. None of these either of these. decrease. increase. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control In both direction. In one direction only. Above rated speed. Below rated speed. In both direction. In one direction only. Above rated speed. Below rated speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc motors, under leading pole tips flux density will--------? either increase or decrease decrease None of these increase either increase or decrease decrease None of these increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used for better cooling of transformer. to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these for better cooling of transformer. to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is none of these. core. magnetic field poles. armature. none of these. core. magnetic field poles. armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their percentage impedance. rating. leakage reactance. efficiency. percentage impedance. rating. leakage reactance. efficiency. ANSWER DOWNLOAD EXAMIANS APP
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