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A handheld pump for a bicycle has a volume of 2 in.3 when fully extended. You now press the plunger (piston) in while holding your thumb over the exit hole so that an air pressure of 45 lbf/in.2 is obtained. The outside atmosphere is at Po, To. Consider two cases: (1) it is done quickly (∼1 s), and (2) it is done slowly (∼1 h).
a. State the assumptions about the process for each case.
b. Find the final volume and temperature for both cases.
Calculate the X,Y,and Z coordinates of point B for radial readingstaken to B from occupied station A, if the backsightazimuth at Ais 125°32'48",the elevation of A= 303.058 m, and hi = 1.325m. Assume the XYcoordinates of A are (10,000.000,5000.000).
Observation wells are located 10 meter and 50 meters from the pumped well. After pumping continuously for 36 hours the drawdowns were 3.6 meters and 1.20 meters respectively.
Three cylinders from the same mix were tested for strenght. Cylinders A and B were cast in 4x8 molds while cylinder C was cast in a 6x12 mold. The total loads were as follows; cylinder A= 65,200 lbs., cylinder B= 68,550 lbs., cylinder C= 151,190 l..
A lake has a water level which is used to determine if watering restrictions need to be implemented for the neighboring city. Water levels are measured on a weekly basis, and restrictions are placed if the lake level drops below 1060 ft.
Using a steel with Fy = 50ksi, whatuniformaly distributed service load can a simple supported W33 x118 carry for a span of 40 ft when (a) the compression flange isbraced laterally for its full length, and (b) lateral bracing issupplied at the ends on..
Consider a heat pump that operates on the ideal vapor compression refrigeration cycle with R-134a as the working fluid between the pressure limits of 0.32 and 1.2 MPa.
The motion of a particle is defined as x=t^2-8t+7 and y=0.5t^2+2t+4, where x and y are in meters and t is in seconds. Determine the magnitude of the smallest velocity reached by the particle, and the time, position, and direction of that velocity.
The two upper lengths of the welded Y-shaped assembly of uniform slender rods have a mass per unit length of 0.3 kg/m, while the lower length has a mass of 0.7 kg/m. Locate the mass center of the assembly. lenghts of all rods aew 30mm
A rectangular beam with a width of a 8 in. an effective depth of 10 in., and a total depth of 12 in., is reinforced with a single fiberglass reinforcing bar that has a cross sectional area of 0.45 in^2
In 1908, H. Chick reported an experiment in which he disinfected anthrax spores with a 5% solution of phenol. The results of his experiment are tabulated below. Assuming the experiment was conducted in a completely-mixed batch reactor, determine the ..
What is the difference between working stress approach and limit state approach?
A conventional consolidated drained (CD) triaxial test is conducted on sand. The cell pressure is 100 kPa, and the applied axial stress at failure is 200 kPa.
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