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A steel strip emerges from the hot roll section of a steel mill at a speed of 20 m/s and a temperature of 1200 K. Its length and thickness are L = 100 m and δ = 0.003 m, respectively, and its density and specific heat are 7900 kg/m3 and 640 J/kg · K, respectively.
Accounting for heat transfer from the top and bottom surfaces and neglecting radiation and strip conduction effects, determine the time rate of change of the strip temperature at a distance of 1 m from the leading edge and at the trailing edge. Determine the distance from the leading edge at which the minimum cooling rate is achieved.
Determine the nozzle exit height of this stage.
the average atmospheric pressure in denver elevation 1610 m is 83.4 kp a. determine the temperature at which water
an expander receives 1 lbms air at 300 psia 540 r with an exit state of 60 psia 540 r. assume the process is reversible
a furnace needs hot pressurized gas at 200 kpa. this gas is to be provided by the exhaust from a gas turbine operating
We learned that a room-full of gas is actually pretty heavy, and this can be used to our advantage. For example, if you want to measure something tall, you can measure the atmospheric pressure difference from its top to its base, and actually use tha..
The turbine develops 250 KW of power, which is transmitted to the gears such that C receives 60% and D receives 40%, figure 5. Determine the absolute maximum shear stress in the shaft
The uniform bar with end rollers weighs 60 lb and is supported by the horizontal and vertical surfaces and by the wire AC. Calculate the tension T in the wire and the reactions against the rollers at A and at B.
If superman has a mass of 100 Kg on his birth planet Krypton, where the acceleration of gravity is 25 m/s2, determine
Air undergoes a process from T1 = 645 K, p1 = 12 bar to a final state where s2 = s1, p2 = 1 bar. Employing the ideal gas model, determine the final temperature T2, in Fahrenheit. Solve using pr data from the relevant table.
During the flow of 200 ft3 /s of water through the hydraulic turbine shown, the pressure indicated by gage A is 12 psig.- What should gage B read if the turbine is delivering 600 hp at 82% efficiency?
The inner diameter of the circular tube is 10 cm. It has been measured that in 1 minute an amount of water of 35 cm3 is collected in a measuring glass. What is the value of the hydraulic conductivity k?
a circular specimen of mgo is loaded using a three-point bending mode. compute the minimum possible radius of the
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