When a contract states that the contractor will be reimbursed all project costs by the owner plus an added amount for profit, this is known as a ____.
A. contingency
B. cost contract
C. lump-sum
D. cost-plus contract
Answer: D
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Trees are a natural resource that will never run out, regardless of what we do
Indicate whether the statement is true or false
Antibiotics in milk are of little or no concern because different types of antibiotics are
always prescribed for the milking herd than those prescribed for humans. A. True B. False
General requirements of 29 CFR 1910.212 include:
A) Types of machine guarding B) Guarding the point of operation C) Both A and B D) Neither A nor B
In this problem the Peng-Robinson equation is used to model n-octane at 5 bar and 500 K. For n-octane, Tc=568.70 K, Pc=24.90 bar and ?=0.399. The three solutions for the molar volume of n-octane at this temperature and pressure are:
V = 249.58 cm3/mol, 648 cm3/mol, and 7270 cm3/mol A) Calculate the values of the Peng-Robinson parameters ‘a’ and ‘b’ for octane at T=500 K. B) Calculate the fugacity of n-octane in the liquid and vapor phases at 500 K and 5 bar, according to the Peng-Robinson equation. If you have no answer to part A, use a=4.5x107 bar cm6 mol-2 and b = 150 cm3/mol C) Based on your answer to part B, is the vapor pressure of octane at 500 K greater than, or less than, 5 bar?