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A 5.23 ft3 rigid tank contains saturated refrigerant-134a at 100 psia. Initially, 12 percent of the volume is occupied by liquid and the rest by vapor. A valve at the top of the tank is now opened, and vapor is allowed to escape slowly from the tank. Heat is transferred to the refrigerant such that the pressure inside the tank remains constant. The valve is closed when the last drop of liquid in the tank is vaporized. Determine the total heat transfer for this process.
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
Determine the tensions developed in wires , and and the angle required for equilibrium of the 30-lb cylinder E and the 60-lb cylinder F.
two large water reservoirs are connected by 8000 ft of schedule 40 steel pipe. the level of one reservoir is 500 ft
for temperatures between 300 and 1000 k and at 1 atm the molar specific enthalpy of o2 is expressed by the following
how many oscillation cycles will elapse if youre waiting for the oscillation amplitude of a spring-mass-damper system
a fragile object dropped onto a hard surface breaks because it is subjected to a large impulsive force. if u drop a
air enters a compressor at 105 kpa and 300 k with a volumetric flow rate of 12 m3min and exits at 1200 kpa and 400 k.
an adiabatic compressor compresses nitrogen k1.4 r0.297 from p1200 kpa and t1300k to p21500kpa. the isentropic
A robot arm carrying a 2.75-lb package is moving in a horizontal circle at 4 miles/hr. The arm is gradually shortened for the first 0.11 s of its motion, changing the radius of the circle. The maximum acceleration the package can withstand without da..
Male an Isometric Drawing of the V stop shown in Figure. Use a suitable scale to depict the view well on an A3 drawing duet.
If an elevator starting from rest accelerates at 10m/s and then decelerates at -1m/s until it reaches the top floor (ignore gravitational acceleration, assume g=0. Plot the corresponding a-t, v-t and s-t graphs.
an insulated piston-cylinder device contains 100 l of air at 400 kpa and 25degc. a paddle wheel within the cylinder is
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