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Consider supersonic flow of air through a 6-cmdiameter duct with negligible friction. Air enters the duct at Ma1 =1.8, P01 =210 kPa, and T01 =600 K, and it is decelerated by heating. Determine the highest temperature that air can be heated by heat addition while the mass flow rate remains constant.
Moist air at standard conditions is at a dry bulb temperature of 80 degree F and a relative humidity of 50%. It is cooled to 50 degree F. Use the psychromtric chart to determine:
a bar of the cross section is shown in figure 3 and is made of steel that is assumed to be elastoplastic
At a section in a beam the tensile stress due to bending is 70 N/mm 2 and there is a shear stress of 25 N/mm 2 . Determine from first principles, the magnitude and direction of the principal stresses and calculate the max shear stress.
The aim of the project is to enable you to investigate and critically assess an existing tool design or processand develop ways in which improvements could be made.
Tank A has a volume of 100 liters and contains saturated vapor r-134 at 30C. With the valve open slightly flow enters cylinder B. a pressure of 200kpa is required to lift piston in b. the process ends when the pressue at A drops to 200kPa.
what building science principles are involved, how successful the measure is in practice, what limitations there are in using this measure, and how much can typically be saved
Assume the 20 percent of the annual precipitation reaches the watershed outlet as stream flow. Determine the mean stream flow rate in ac-ft/yr, sfd/yr, and square meter/second
A police car parked in a 45 mi/h speed zone observes a passing car traveling at a slow, constant speed. The officer believes the driver is intoxicated and begins accelerating uniformly to 50 mi/h in 8 seconds and maintains a constant velocity of 60 m..
Properties of frozen tissues have been measured as part of understanding the response of tissue to cryopreservation. In one set of experiments, frozen bovine carotid arteries were tested in uniaxial tension.
iron and vanadium both have the bcc crystal structure and v forms a substitutional solid solution in fe for
You heat 250 ml of tap water from 10 degree celcius to 100 degree celcius in 2 minutes using a microwave oven operating at 2.5 GHz. a). What is the wavelength of this electromagnetic radiation
could you please help me to figure out what the meaning of steady state in the pavement management system preservation and rehabilitation.
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