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The static pressure to stagnation pressure ratio at a point in a gas flow field is measured with a Pitot-static probe as being equal to 0.6. The stagnation temperature of the gas is 20 °C. Determine the flow speed in m/s and the Mach number if the gas is air. What error would be associated with assuming that the flow is incompressible?
air from a workspace enters an air conditioner unit at 30degc dry bulb and 25degc wet bulb. the air leaves the air
a total of 2.00 mol of a compound is allowed to react in a foam coffee cup that contains 138 g of water. the reaction
The modulus of elasticity for beryllium oxide(BeO) having 5 vol% porosity is 310Gpa (45*10psi). Compute the modulus of elasticity for the non porous material
Consider a three stage compression process with inter cooling, and determine the intermediate pressures that minimize the total work input. How can you generalize this to n-stage compression with inter cooling?
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
tests reveal that a normal driver takes about 0.75s before he or she can react to a situation to avoid a collision. it
Write a computer program to find the displacement of the main mass and the auxiliary mass of a damped dynamic vibration absorber. Use this program to generate the results of Fig. 9.38.
The wafers have a diameter of 150 mm with a processable area that is 140 mm in diameter. If the defects are all assumed to be point defects, determine the density of point defects using the Bose-Einstein method of estimating yield.
Dry methane is supplied by a compressor and pre cooling system to the cooler of a Linde liquid methane system. At 180 bar and 300 K. The low–pressure methane leaves the cooler at a temperature 6 C lower than the temperature of the incoming high press..
A 20-cm-diameter smooth sphere is rigged with a strain gauge calibrated to measure the force on the sphere. Estimate the wind speed in 20-C air if the gauge measures (a) 4 N and (b) 0.5 N.
a rigid tank has 0.1 kg saturated vapor r-410a at 0 celsius that is cooled to -20 celius by a -20 celcius heat sink.
water enters a smooth-thin-walled tube of 1 inch in internal diameter at 50f and leaves at 150f. heat is supplied to
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