Engineering Answers

AGGREGATE MOISTURE (ASTM C566)

MOISTURE CONTENT

DATA AND TABULATION

Mass of Container, Mc = _______35____g.

Mass of Container + original sample, Mc+w = ______520___g.

Mass of container + dried sample, Mc+D = ____472______g.

Mass of original sample, W = _______g.

Mass of Dried sample, D = ________g.

MOISTURE CONTENT

DATA AND TABULATION

Mass of Container, Mc = _______35____g.

Mass of Container + original sample, Mc+w = ______520___g.

Mass of container + dried sample, Mc+D = ____472______g.

Mass of original sample, W = _______g.

Mass of Dried sample, D = ________g.

10. A supercritical power generates steam at 25 Mpa and 560 oC. The condenser pressure is 7 kpa. Determine the exit quality of steam if it expands through a turbine in this power plant. PLEASE EXPLAIN THE DETAILED SOLUTION.

Answer: a. 45.66% c. 56.66%

b. 68.45% d. 74.26%

A Diesel cycle has a compression ratio of 16. The lowest and highest temperature of the

cycle are 300K and 1880K respectively. The pressure at the beginning of compression is 1 Bar.

Calculate:

a) The pressure and temperatures at all the other points of the cycle.

b) Net work output.

c) Efficiency of the cycle.

An open cylindrical tank 4 ft in diameter and 6 ft deep is filled with water and rotated about it's axis at 60 rpm. How much liquid is spilled, and how deep is the water at the axis?

1.Aside from area by triangles, what are other common methods used in determining/ measuring the required area?

2. What are the similarities and/or differences of each method?