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During an emergency launch operation, to fill a missile with RP-4 (a kerosene-based fuel), the ullage volume of the fuel storage tank is pressurized to 10.34 bar with air coming from a large external storage tank at high pressure (69 bar). This operation is to be completed as rapidly as possibleThe fuel storage tank can be approximated as a right circular cylinder 12.2 m tall and 3.05 m in diameter and is originally filled to 90% of capacity. The initial conditions in the tank are T=300K and P=1 atm.a. Assuming no mixing between the original and the incoming air, what problems would you anticipate if the inlet gas control valve were to malfunction and the gas space above the fuel were to reach full storage pressure (69 bar)? (The fuel tank has been hydrostatically tested to 276 bar.)b. calculate the temperature of the gas in the tank when the pressure has reached 10.34 bar and if the valve does not fucntion properly and the pressure in the tank reaches 69 bar. for simplicity, consider the air to be an ideal gas with Cp=(7/2)R .
Consider a 4-in square steel bar subjected to transverse biaxial tensile stresses of 20 ksi in the x direction and 10 ksi in the y direction.
a convenient and secure attachment point for fall protection lines is located 35 feet above ground level on the
where k is the coefficient of kinetic friction between the blocks and the ground. Also, what is the distance the blocks slide on the surface before they separate?
A small steel ball bearing with a mass of 13 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.35 m. Calculate the speed at which the ball leaves the spring.
the dredger is loading a sand onto a barge.the sand leaves the dredger pipe at 4ft/s with a weight flux of 850 lbs/s. estimate the tension on the mooring line caused by this loading.
Sketch the frequency response of the system. Overlay the frequency spectrum of the excitation and as you start the system up, increasing Ω from 0 to 60 rpm, what speeds are most likely to excite large amplitude response? Why?
What happens to the cutting and thrust force as tool rake angle and cutting speed are increased and what is the relation between the cutting and thrust forces to the depth of cut?
A gear blank has been successfully hot forged on a mechanical press in a closed die. At the beginning of a new production run
Design a garage door controller using PLC Ladder Diagram (RSLOGIX 500 PLC SIMULATOR)
In flows past solid bodies, the force exerted on the body by the fluid motion depends upon the fluid velocity u, the density p, the viscosity
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
Given that an activity's normal time and cost are 10 days and $400 and its crash time and cost are 5 days and $800, what is the activity's slope?
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