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Calculate the isentropic efficiency of a continuous flow adiabatic compressor that compresses 20.0 lbm/min of a constant specific heat ideal gas.
The test data for this compressor are inlet state = 1.00 atm and 25.0°C; outlet state = 1.00 MPa and 350.°C; cp = 1.00 KJ/(kg · K), R = 0.250 kJ/(kg · K). The isentropic efficiency of a compressor is defined as
A small sphere with mass 5.00.×10?7kg and charge +3.00?C is released from rest a distance of 0.550m above a large horizontal insulating sheet of charge that has uniform surface charge density ?=+8.00pC/m2.
Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 18 MPa. The condenser pressure is 6 kPa. How do I determine the quality of the fluid at the turbine exit
the collars are pin connected at b and are free to move along rod oa and the curved guide oc having the shape of a
In the second load case the distributed load acts normal to BC. This type of loading could arise from wind pressure.
Design a flat roof meeting certain mechanical performance criteria. The basic structure of the roof is a series of rectangular-section 'joists', made from softwood, that span the space to be covered by the roof.
Air at 14.7 psia, 50°F (DB), and 60% relative humidity is first heated to 110°F (DB) and then humidified by introducing water using an “air washer.” The air leaves the humidifying section at 70°F (DB).
An accelerating car develops 15 kW at a speed of 30 km/h on a level roadway, when towing an identical vehicle whose engine is out of action. Find the tension in the towrope at this speed, if each car has a constant attractive resistance of 650 N
Liquid water is fed to a boiler at 24ºC and 10 bar is converted at constant pressure to saturated steam. Use the steam tables to calculate H (kJ/kg) for this process, and then calculate the heat input required to produce 15,000 m3/h of steam at the e..
A typical gas stove burner supplies a kettle filled with water at a rate of 15,000 Btu/hr with a flame temperature of 750C
Calculate the mass of air that has leaked in and the quantity of vapour that has condensed. Take the barometric pressure as 760 mm
in a special test for determining the performance of a heat exchanger an electric heater produces a temperature
A 3 mm thick aluminum sheet is cut with a 4 cm diameter round punch. If the punch exerts a force of 6 kN, what is the shear stress in the sheet? Report the answer in MPa.
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