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a carnot cycle uses 1 mole of an ideal gas as the working substance and operates from a most compressed stage of 10 atmosphere and 373k. it expands isothermally to a pressure of 1 atmosphere and then adiabatically to a most expands stage at temperature of 27k. calculate the net workdone and heat for each step and hence the efficiency of the cycleOct 10 2016 09:25 PM
Conduct a powder factor design for the following conditions: -Rock is iron ore; density is 5370 lb/cubic yards -Rock swells 60% from in situ when broken -Bench height is 45ft -Drill hole diameter is 12.25 inches
a 2m cube of block is placed on oil ( SG= 0.8). if the SG of the block is 0.6, how many meters of the block will be above the oil
Define flow at a hydraulic jump (upstream and downstream) in terms of the types of flow and corresponding Froude number. What is the depth of water at each section (upstream and downstream) compared to critical depth
5 Kg of water at 1.2 MPa, 120oC is contained in a frictionless piston-cylinder device. The water is heated until its temperature reaches 250oC. a) a)Determine the work performed in kJ
What is the definition of an ideal fluid? What is the dynamic viscosity of an ideal fluid? Can an ideal fluid flow be supersonic? Explain.
Yolanda invested $50,000. Part of the money was invested at 6% yearly interest rate and part at 9% yearly interest rate. Her yearly interest income the first year was $3,200. Find the amount invested at each rate.
A rectangular steel plate with thickness t=0.625 inches is subjected to normal stresses sigma x and sigma y.The strain in the x direction is known to be 0.00065 and the strain in the y direction is known to be 0.0004.
A 5-m wide rectangular open channel lined with rubble masonry (n=0.025) and laid on a slope of 0.0004. If the depth of flow is 3 m, what is the rate of discharge (m3/s)
the reactions at A and B. Assume that the hinge at B does not exert any axial thrust.
A light bar AD is suspended from a cable BE and supports a 50-lb block at C. The ends A and D of the bar are in contact with frictionless vertical walls. Determine the tension in cable BE and the reactions at A and D
If the coefficient of kinetic friction between the 12.5 mm diameter axles and the wheels is mu_k = .3, determine the radius of the wheels. neglect rolling resistance of the wheels on the surface.
A 180 lb man and a 120 lb woman stand at opposite ends of a 300 lb boat, ready to dive, each with a 16 ft/s velocity relative to the boat. Determine the velocity of the boat after they have both dived
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