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A piston-cylinder device contains 25 ft3 of nitrogen at 40 psia and 700°F. Nitrogen is now allowed to cool at constant pressure until the temperature drops to 200°F. Using specific heats at the average temperature, determine the amount of heat loss.
2kg of an ideal gas for which Cp=0.895 KJ/kg-k and Cv =0.706 KJ/kg-k is contained in a rigid, insulated container at 2 bar, 400K. A stirrer driven by an external motor is operated within the vessel until the pressure becomes 4bar. Determine, the fina..
If the cycle operates in steady flow with a power output of 20 kW, what is the steam flow rate?
a piece of steel has a conductivity of k 15 wmk and a brick has k1wmk. how thick a steel wall will provide the same
the 8 kg sack slides down the smooth ramp. if it has a speed of 1.5ms when y.2m. determine the normal reaction the ramp
noting that a person standing in a room maintained at 20degc at all times the inner surfaces of the walls floors and
Needing a writing help with a 3-4 page paper on the Case Study 6-2 Johnson & Johnson's Enterprise Architecture, this is from Managing and Using Information Systems by Pearson & Saunders.
a pulley with diameter d 27in weighs 80 lb. it is mounted on a diameter d 2-in axle. a weight of 1000 lb is to be
determine the rate of diffusion of cu in al at 300k using d do exp -edrt where do 0.15 cm2sec and ed 125 kjmole.
Design a single pass shell and tube type heat exchanger which requires mh = 25 kg/s with Th,i = 30 C and mc = 75 kg/s with Tc,i = 20 C. What heat transfer rate is obtained using 150 2 m tubes (ID = 16 mm and OD = 19 mm with kw = 400 W/mK).
Cyclopentadiene and cyclohexanone are combined in a reactor and undergo an addition reaction. The adduct can either have an endo or exo conformation. For the application your plant has only the endo conformation is desired.
you decde to have 2 hard boiled eggs for breakfast and prepare them by placing 2 refrigerated eggs into a pot of
show how did you do the maintenance during your workshop machines were sent to your workshop from a big
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