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A 2-L liquid at 20°C is mixed with 3 L of another liquid at the same temperature and pressure in an adiabatic container, forming a homogeneous liquid solution. Someone claims that the temperature of the mixture rose to 22°C after mixing. Another person refutes the claim, saying that this would be a violation of the first law of thermodynamics. Who do you think is right?
You are required to design a drainage and pumping system to deal with the mine water for the next 10-15 years based on the data - Describe your proposed drainage and pumping system with the aid of diagrams where required and explain the general phil..
Specify a device describing briefly its principle of operation, that is typically installed downstream of a bursting disc as an indicator of disc rupture,
The velocity of propagation, c of surface waves is assumed to depend on the water depth, y, the water density, and the acceleration due to gravity, g. Express these variables as a dimensionless group.
What must be the radius of the steel wire if it is to stretch the same distance as the aluminium wire, so that the two wires maintain equal lengths after the masses are attached?
Assume the 20 percent of the annual precipitation reaches the watershed outlet as stream flow. Determine the mean stream flow rate in ac-ft/yr, sfd/yr, and square meter/second
Oxygen and methane are mixed at 250kPa absolute pressure and 100 degrees C. The velocity of the gases into the mixer us 5m/s. The density of the gas leaving the mixer is 2.2 kg/m^3. Determine the exit velocity of the gas mixture.
stiglers private interest theory proposes that regulatory bodies are made up of individuals who are self-interested and
The selection of the most appropriate procurement route is important to the successful implementation of a construction project. a) Name and briefly explain the main procurement methods used in the construction industry.
a). Determine the state of stresses in the walls and indicate these stresses (including arrows to denote the direction of the stresses) on the element below. b). Then, determine the maximum in-plane shear stress on the wall of the pipe using Mohr's..
A heavy Machine is lowered into a pt by means of a rope wrapped around an 8" diameter stationary pole placed horizontally across the top of the pit. The coefficient of static friction for the rope on the pole is 0.35.
Determine the flow depth, velocity and Froude number after the jump, the head loss associated with jump, the energy dissipation ratio, and the wasted power production potential due to the hydraulic jump.
What are two types of variables that can be used for values that are less than 128, and describe what is the difference between the variables, how to declare them, and the memory allocated and the numerical range for both.
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