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Air is contained in a piston-cylinder assembly, initially at 40 lbf/in2 and 600 ?R. The air expands in a poly tropic process with n = k = 1.4 until the volume is doubled. Modeling the air as an ideal gas with constant specific heats, determine
a) The final temperature in R, and pressure in lbf/in2, and
b) The work and heat transfer, each in Btu/lb of air
A cantilever beam with round cross section is loaded at the tip with a transverse force of 1000 lb. The beam is also subjected to a twist torque of 1000 lb in. You have decided to design the beam with 1040 Hr Steel. Determine the minimum required dia..
a steel plate with dimensions shown below is subjected to 150 kn tensile force and 300 n-m bending moment. the plate is
A supply of steam at a pressure of 4 MPa and a temperature of 332°C (state 1) is used to do mechanical work as it expands to a pressure of 100 kPa and a quality of 90% (state 2). During the expansion process, 60 kJ/kg of heat is removed from the wate..
The pipe flow experiment deals with fluid flow through a non-circular cross-section “pipe”. Please explain, using supporting equations, HOW you would calculate the pressure loss during fluid flow between two points along the pipe.
Describe IN DETAIL how you could determine the required rate of heat addition or removal.
calculate the mass of the sun noting that the period of the earths orbit around the sun is 3.156 107 s and its distance
in each case calculate the biot number for the object and indicate whether or not the lumped approximation is valid.a a
When these stops occur, it takes an average of 10.0 min to diagnose the problem and make repairs. Determine (a) line efficiency and (b) average actual production rate.
a spring loaded device imparts an initial vertical velocity of 50 ms to a 0.15 kg ball. the drag force on the ball is
Consider a hypothetical metal that has a hexagonal close-packed crystal structure and an atomic weight of 70.28 g/mol. If the atomic radius is 0.1473 nm and the c/a ratio is 1.723, then calculate (a) the unit cell volume, and (b) the density of the m..
the aluminum plate of thickness t 3.5 mm. is to be designed so the maximum stress remains below 100 mpa. the hole must
Is there an economic case for renewable energy? This issue was recently a "hot topic" in the news, and you are referred to the following newspaper article for a representation from the media.
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