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Air is contained in a piston-cylinder assembly, initially at 40 lbf/in^2. And 600R 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:
The final temperature, in R, and pressure, in lbf/in^2
The work and heat transfer, each in Btu per lb of air
a 6.2 mg sample of 90sr half-life 29.12 y is in secular equilibrium with its daughter 90y half-life 64.0 h. a how many
consider an ideal gas refrigerator using air acting between 1 and 3 bar pressure. assume that the temperature at the
an al cube 0.1m on each side is initially at a temp of 300 c. the cube is immersed in a fluid at 100 c. calculate 1.
part-1suppose that a simple pendulum is attached to our spring-damper-mass system. a simple schematic of the model is
the beam is to be hoisted using two chains if the resultant force is to be 600n directed along the positive y axis
steam at 400f enters an insulated turbine operating at steady state and exits at 3 lbfin2. if the isentropic turbine
nbspmgh12mv212iomega21 show that ??v2 2gh1i where ? i imr2 and thus i is and hence the
What is the wear coefficient of the bearing material in m2N-1 ?
a solid cylindrical workpiece made of 5052-o aluminum is 12 cm high and 8 cm in diameter. assuming there is no
a triangular field with vertices opq has sides op=402m,pq=388m,and qo=254m. find the perpendicular distance from the vertex p to the opposite side.
A steam power plant operates on the ideal reheat Rankine cycle. Steam enters the high pressure turbine at 6 MPa and 4000C and leaves at 2 MPa. Steam is then reheated at constant pressure to 4000C before it expands to 20 kPa in the low pressure turbin..
An unsuited free diver can work in a pressure of up to 490KN/m^2 and a suited diver in pressure of up to 1815 KN/m^2. Calculate the maximum depths at which they might work in sea-water which has a specific gravity of 1.03.
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