Engineering, 23.03.2020 16:41 lexipeacemaker
A 15 KVA, 2400/240 V, 1-o transformer has an equivalent resistance and reactance, both referred to the primary side, of Req = 2.5 2 and Xeq = 4.5 92, respectively. The core loss is 80 W. The transformer delivers rated kVA to a load at rated secondary voltage and 0.9 power factor lagging. a. Determine the voltage applied to the primary side. b. Determine the percent voltage regulation. C. Find the efficiency of the transformer.
Answers: 3
Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
Answers: 2
Engineering, 04.07.2019 18:10
Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.
Answers: 1
Engineering, 04.07.2019 18:20
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
Answers: 2
A 15 KVA, 2400/240 V, 1-o transformer has an equivalent resistance and reactance, both referred to t...
History, 05.05.2020 05:34
History, 05.05.2020 05:34
Mathematics, 05.05.2020 05:34
Mathematics, 05.05.2020 05:34
Computers and Technology, 05.05.2020 05:34
Mathematics, 05.05.2020 05:34
History, 05.05.2020 05:34
Mathematics, 05.05.2020 05:34
English, 05.05.2020 05:34