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The mass flow rate of steam into a steam turbine is 5 kg/s . The turbine has a heat loss of 5 kj/s. if the velocity of the refrigerant is to be limited to 2 m/s, what is the minumum allowable pipe diamter?
Air is compressed from an initial state of 100 kpa and 170 *C to a final state of 600 kpa and 57 *c. Determine the entropy change of air during the compression process by using a) property values from the air table and b) average specific heats
A multiple-piston hydraulic jack has two output pistons, each with an area of 250 cm^2. The input piston, whose area is 25 cm^2, is concerned to a lever that has a mechanical advantage of 9:1.
However, design codes which deal with shear friction design place an upper limit on the magnitude of the shear force for which the plane can be designed. Explain why this is so.
A total of 13,610 kg/h of air at 1 atm abs pressure and 15.6C is to be heated by passing over a bank of tubes in which steam at 100C is condensing. The tubes are 12.7mm OD, 0.61 m long, and arranged in-line in a square pattern with Sp=Sn= 19.05mm.
There are many parallels between the industrialization of the United States after Reconstruction and the modernization of the American workforce in the last twenty to thirty (20-30) years as it transitions from industry to a service-oriented econo..
Calculate the resistance coefficient K for a ball-type check valve placed in a 2-in schedule 40 steel pipe carrying 650 gal/min of oil (sg = 0.90)
A piston-cylinder contains 40 kg water of which 20 kg is saturated liquid. The equilibrium pressure of the system is 100 kPa. a) Find the system initial volume b) The water undergoes an isothermal expansion until the pressure reaches 10 kPa.
If this two-step process is replaced by a single isothermal expansion of the air from 800 K and 4 bar to some final pressure P, what is the value of P that make the work of the two processes the same
Martin pays rent of $500 per month for the 9-month acedemic year, he is going to travel the world this summer and won't be working. how much must he set aside in his savings account for the 3-month summer to cover his rent for the next year
Calcium sulfate (CaSO4, solubility product Ksp=2*10^-5 M^2), is added to initially pure water, such that solid CaSO4 remains at equilibrium. (Assume the sulfate does not participate in reaction other than the solubility product; no HSO4- formed).
Is the system within membrane manufacturer's warranty requirement of maximum flux rate of 14 gfd? What is the annual power cost of the RO system?
indicate the conditons by a sketchand determine the difference in the rate of grade at the intersection of each of the following paris of slops.
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