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The mass of a wet sample of soil and its container is 0.33 kg. The dry mass of the soil and its container is 0.29 kg. The mass of the container is 0.06 kg and its volume is 0.15 x 10-3 m3. Determine the following.
(a) The bulk, dry, and saturated unit weights of the soil.
(b) The void ratio and the degree of saturation.
(c) How much air void is in the soil?
(d) The weight of water required to saturate 1m3 of this soil.
a food department is kept at -15 degrees celsius by a refrigerator in an environment at 25 degrees celsius. the total
Find the useful heat generated by the composition of 1kg of ethane in a furnace in 20% excess air if the reactants are at 25oc and the products at 1500k. Assume that only 90% of the carbon goes to completion. And find the higher and lower heating v..
resolve a vector a which has a magnitude of 50 units and a direction of 210 degrees into two vetors b and c. c is to be
a piston-cylinder device with a set of stops initially contains 0.3 kg of air at 10 atm and 400?c. the location of the
combustion products 2 water vapor and 98 dry air by mass flow in a chimney at 34oc and 1 atm. determine a. the dew
The engine of my go-cart has circular fins, 3 mm thick that are machined into the aluminium of the cylinder (k=240 W/m*K) such that the outer diameter of the cylinder itself (not including the fins) is 10 cm and the fins stick out from the cylinder b..
A cold canned drink is left in a warmer room where its temperature rises as a result of heat transfer. Is this a reversible process? Explain.
Write a program using nested for (or any) loop to create a 3×5 matrix in which the value of each element is its row number to the power of its column number divided by the sum of its row number and column number. For example, the value of element (2,..
Problem 1: A metal plate is used to hold three 250kg blocks as shown. a) Determine the magnitude and point of application of a single force that is equivalent to the system of 3 blocks shown. b) the plate is supported by 3 vertical reaction forces..
A block of metal has a 90 notch cut from its lower surface. The notched part rests on a circular cylinder of diameter 2.0 cm, as shown in Fig. 4.15. If the lower surface of the par is 1.3 cm above the base plane, how deep is the notch?
Assume that the collision is inelastic (i.e., the water leaves with a zero horizontal component of velocity relative to the block) and that there is a coefficient of friction μ between the block and the surface on which it slides. Find the final s..
the african elephant has developed the pinna or external ear that functions as a radiator-convector. the pinna can be
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