31. A three-phase ∆-connected generator is driving a balanced load such that each phase current is 12 A in magnitude. When Iθa = 12 ∠30° A, what are the polar expressions for the other phase currents? A. Iθb = 12 ∠150° A, Iθc = 12 ∠-90° A B. Iθb = 12 ∠120° A, Iθc = 12 ∠30° A C. Iθb = 12 ∠30° A, Iθc = 12 ∠120° A D. Iθb = 12∠ 90° A, Iθc = 12 ∠90° A Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
32. In the transformer the function of a conservator is to A. Provide fresh air for cooling the transformer B. Supply cooling oil to transformer in time of need C. Protect the transformer from damage when oil expends due to heating D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
