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AIR COMPRESSORS - OPERATING PROBLEMS
Question 1. (a) Determine the total mass of water in 10 m3 of air at a pressure of 2 bar and a temperature of 30°C with a relative humidity of 60%.(b) If the air is cooled to 20°C at constant pressure, determine the amount of condensate which will be removed from the air.(c) If the air is then heated to 40°C at constant pressure what will be the relative humidity of the air.
Question 2. Explain the main advantage a water-cooled aftercooler has over an air- blast type.
Question 3. Explain the procedure to follow when undertaking a leakage-rate test on a distribution system.
Show the resultant force acting on the curved surface. In each case the surface of interest is a portion of a cylinder with the length of the surface given in the problem statement.
a pot of 1 kg of liquid water is heated on a mountain top where the atmospheric pressure is 0.8 bar. if the liquid
Assuming steady, fully developed flow in the trachea, estimate the mass transfer convection coefficient.
Anaerobic digestion is a proven means of producing methane from livestock waste. To provide for the space heating, water heating, and cooking needs of a typical farm dwelling in your locale, determine the size of the anaerobic digester and the num..
a 2in-diameter steel propeller shaft of an experimental high-speed boat transmits 2500hp at 2000rpm. bending and axial
Use a spreadsheet to calculate allowable axial load for a square pin-ended timber column. Vary the effective slenderness ratio from 0 to 50 in steps of 2.0.
Saturated liquid steam at 2 MPa steadily enters a valve where it is throttled to 0.3 MPa. The inlet and outlet diameter is 1 cm. The flow rate is 0.012 kg/s. Determine the outlet density [kg/m3] of the steam. Also show that it is reasonable to neglec..
a vessel contains 4 kg of wet steam liquid-vapor mixture at 140 degc. after the addition of heat the steam has a
For some metal alloy, a true stress of 345 MPa (50040 psi) produces a plastic true strain of 0.02. How much will a specimen of this material elongate when a true stress of 417 MPa (60480 psi) is applied if the original length is 470 mm (18.50 in.)? A..
a well insulated thin-walled double-pipe counter-flow heat exchanger is to be used to cool oil cp 2.20 kjkg c from 150
saturated water at mean temperature 20 degc flows inside a 25-mm-idnbspcircular tube which is electrically heated to
explore the effects of compressor pressure ratio 2 to 20 in increments and mixture ratios helium and xenon between 0
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