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Which of the following is FALSE with regards to creep I. May involve the sliding of whole grains II At high stresses creep is controlled by the movement of vacancies. III Also known as hot flow IV Creep is a time dependent deformation

(A) I

(B) II

(C) III

(D) IV

The Correct Answer
Explanation

You must choose between four pieces of comparable equipment based on the costs and salvage values given below. All four pieces have a life of 8 years.

The discount rate is 12%. Ignore taxes. The two most preferable projects and the approximate difference between their present worth values based on least cost are:

(A) A and C, $170 (B) B and D, $170 (C) A and C, $234 (D) B and D, $234

Correct Answer: B

Which of the following are not an intensive property? Pressure Velocity Volume Density Kinetic Energy

(A)I, II & III (B) IV & V (C) I, II & IV (D) III & V

Correct Answer: D

What is the standard equation for calculating the future worth (F) when given the annual rate of return (I) and the present rate (P)?

(A) $latex F=P(1+i)^{n-1}$

(B) $latex F=P(1+i)^n$

(C) $latex F=P(1-i)^n$

(D) $latex F=P(1+n)^I$

Correct Answer: B

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