Engineering, 11.02.2020 03:30 littledudefromacross
At a water-treatment plant, water at 20°C flows from tank A to tank B at a rate of 600 L/s through a 50 cm diameter asphalt lined iron pipe that is 150 m long. Determine the difference in water surface elevation between the tanks (open to the atmosphere) if there are three bends (R/D = 10.0) and a fully open lift type check valve in the pipeline.
Answers: 3
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
Answers: 3
Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:10
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
Answers: 2
At a water-treatment plant, water at 20°C flows from tank A to tank B at a rate of 600 L/s through a...
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