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In a test on a clay sample of 2 cm thickness it has been measured that after 15 minutes the pore pressures are practically zero. What will be the duration of the consolidation process for a layer of the same clay, of 5 m thickness?
1- a car starts rest and with constant acceleration achieves a velocity of 15 ms. when it travels of 200 m determine
Determine the mass flow rate of the air passing through this engine and the rates of heat addition and rejection when this engine produces 1000 hp. Assume constant specific heats at room temperature.
When magnesium twins on the {1012} planes in the 10 11> directions, what is the angle between thec-axes (i.e., the [0001] directions) of the twin and the untwinned material? For Mg the lattice parameters are a = 0.32088 nm and c = 0.52095 nm.
Define the term jig as used in production tools used to accurately manufacture and duplicate parts in a mechanical engineering laboratory
Two slender rods of negligible weight are pin-connected at A and attached to the 18-lb block B and the 80-lb block C as shown. The coefficient of static friction is 0.55 between all surfaces of contact. Determine the range of values of P for which..
an insulated piston-cylinder device contains 100 l of air at 400 kpa and 25degc. a paddle wheel within the cylinder is
The 60-W fan of a central heating system is to circulate air through the ducts. The analysis of the flow shows that the fan needs to raise the pressure of air by 50 Pa. The fan is located in a horizontal flow section whose diameter is 30 cm at both t..
Determine the theoretical maximum height that a pump could pull water up from a well (i.e. from the vacuum side of the pump). The set-up described is similar to on-farm wells. Assume that atmospheric pressure is exerted on the water at the bottom of ..
In the system A + B activity coefficients can be expressed by the one-parameter Margules equation with A=0.5. The vapor pressures of A and B at T=80C are 900mmHg and 600mmHg respectively. Is there an azeotrope in this system at T=80C and if so, what ..
Which of the engineers is solving the "correct" problem? If the company follows the advice of the wrong engineer, will it err on the high side (too many assemblies out of specifications) or the low side? Is there any disadvantage to erring on the ..
Find DE for the gaseous mixture.(Ans. 54 kJ)The same mixture expands through the same state path while a stirringdevice does 21 kJ of work on the system. Find ? E, W, and Q for theprocess.
steel reinforcement rods had been pulled to a thickness below regulatory standards. what is the effect of this
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