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An oil company is offered a lease of a group of oil wells on which the primary reserves are close to exhaustion. The major condition of the purchase is that the oil company must agree to undertake a water-flood project at the end of five years to make possible secondary recovery. No immediate payment by the oil company is required. The relevant cash flows have been estimated as follows:
Should the lease-and-flood arrangement be accepted? How should this proposal be presented to the company board of directors who understand and make it a policy to evaluate by discounted-cash-flow rate of return?
Draw T-S diagram of the cycle.
Describe the principles of a vapour adsorption refrigeration system, and compare this to a vapour recompression system. Which of the two systems is more suitable for refrigeration processes in a brewery or distillery and why?
A jacketed vessel is to be used as a reactor. the vessel has an internal diameter of 2m & it fitted with a jacket over a straight section 1.5m long. both the vessel & jacket walls are 25mm thick.
A problem similar to it will be on the exam. He kind of went over it, but the whole class was struggling a more in depth/intuitive walkthrough of this problem.
question 1a handling operations for solidpowder substances are often a source of dust generation and are a source of
question 1suppose the system shown below. initially the gas is at 200 kpa and occupies a volume of 0.1 m3. the spring
A waste with a concentration of 0.1 gram per liter is to be introduced to a hazardous waste reactor that is to achieve 90% destruction. A reactant
A gas stream is entering a separator at 1 mole/sec with mole fractions 15% A and 85% B. (Component 1 is A, component 2 is B.) At surface, the gas stream is 8 bar and 350K. Two streams exit the separator, one primarily of A (0.99 A1, 0.01 A2), and one..
A 30 mol% feed of benzene in toluene is to be distilled in a batch operation. A product having an average composition of 45 mol% benzene is to be produced. Calculate the amount of residue, assuming α = 2.5 and W0 = 100.
What ratio of temperatures for the two samples would produce the same root mean square velocity?
Use the Gibbs phase rule to determine how many degrees of freedom exist for the system at equilibrium. State the meaning of your result in your own words.
Calculate the internal energy change for each of the following. a. One hundred (100.) joules of work are required to compress a gas. At the same time, the gas releases 23 J of heat
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