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1. Methane is compressed adiabatically from 100 kPa(abs) and 25 °C to 200 kPa(abs). What is the minimum compressor exit temperature possible? Explain.
2. Air expands adiabatically through a turbine from a pressure and temperature of 180 psia, 1600 °R to a pressure of 14.7 psia. If the actual temperature change is 85% of the ideal temperature change, determine the actual temperature of the expanded air and the actual enthalpy and entropy differences across the turbine.
Integrals of a Spherical Pendulum A spherical pendulum with mass m and length l is shown in Figure 2.60. The angles ? and θ may be used to describe the coordinates of the system.
The diameter of the piston is 12 in. and the material of the mechanism is steel. Model the connecting rod and the crank by one beam element each. The lengths of the crank and connecting rod are 12 in. and 48 in., respectively
(1) I shte cooling process polytropic? If so, what is the value of n? (2) Find the final state pressure. (3) Compute the work done for this process considering the water as a closed system.
an insulated piston-cylinder device contains 5 l of saturated liquid water at a constant pressure of 150 kpa. an
Why is it important to select the right supplier and to maintain a relationship with him or her?
consider a steam power plant with reheat that operates on a modified rankine cycle. steam enters the high-pressure
Air enters an adiabatic nozzle at 3 atm pressure and 100 F and emerges at 1 atm and 30 F. The inlet velocity is negligible. What is the discharge velocity?
The capillary rise, h, of a liquid in a tube varies with tube diameter, d, gravity, g, fluid density, roe , surface tension, Y, and the contact angle, B. (a) Find the dimensionless form of this statement. (b) If h = 3 [cm] in a given experiment, what..
Determine the change in entropy for 1.0 mole of an ideal gas originally confined to one-half of a 5.0-L container when the gas is allowed to expand to fill the entire container at constant temperature.
on an overflow structure of 50 degrees slope the water depth measured normal to the surface of the structure is 1.2 m 4
air enters a compressor at 300 k and 100 kpa at a volumetric flow rate of 4 m3s. the air is compressed such that the
Estimate the average heat transfer coefficient for the exhaust gas flowing inside the tube - estimate the heat transfer coefficient for the air flowing across the outside of the tube.
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