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SP1.
a) Is the modulus of elasticity of steel an extensive or intensive property? Explain why.
b) Is the caloric content (i.e., number of calories) of a Big Al's milkshake an extensive or intensive property? Explain why.
SP2. The temperature difference between a hot water pipe and the surrounding air is 32°F. Express this difference in units of °C, K, and R.
SP3. An air pressure gage indicates a tire pressure of 33 psig when the atmospheric pressure is 1 atm. Determine the absolute air pressure inside the tire in units of psi, kPa, inHg, and inH2O.
Water in a vertical piston cylinder is heated at constant pressure of 10 bar. It is initially at 179.9 0C and has a specific volume of 0.1 m3/kg and is heated to a final specific volume of 0.248 m3/kg. Changes in kinetic and potential energies are ze..
1. A fuel oil having an analysis on a mass basis of 85.7% C, 14.2% H, 0.1% inert matter burns with air to give products with a dry molar analysis of 12.29% CO2, 3.76% O2, 83.95% N2. Determine the air-fuel ratio on a mass basis.
a jet engine is a serial combination of a compressor an adiabatic constant pressure combustor and a turbine in that
a 5 kw pump operating at steady state receives liquid water at 100 kpa 15 c and delivers it to a point 6 m above the
an oven has five radiant heaters each one is rated at 15 kw. it should heat some 2-kg steel plates from 20 degrees
a continuous glass fiberepoxy composite is required to have a longitudinal modulus of 42.0 gpa. the modulus of epoxy is
What is the difference between control charts for variables and control charts for attributes?
The inlet and outlet air temperature of a centrifugal flow compressor are 70oF and 120oF respectively (See Figure 1). The air flow steadily at a mass flow rate of 24 lbm/min. If the compressor is adiabatic, determine the rate of work at which the air..
Prove the following thermodynamic derivative and determine what should replace the question marks. Note that you do not have to reduce this to the standard expressions, but can leave it in terms of partial derivatives
Find the design axial load strength ∅Pn for an eccentricity of 14 in. Use f′ c = 4000 psi and fy = 60,000 psi. Assume that the ties and bracket design are adequate.
The inside of the gun barrel is coated with Teflon,so the average friction forcewill be only 40 N during the 4.0 m he moves in the barrel. At what speed will he emerge from the end of the barrel,2.5 m above his initial rest position?
an intermittent wind tunnel is designed for a mach number of 4 at the test section. the tunnel operated by sucking air
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