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Rotation of bar OA is controlled by the lead screw which imparts a horizontal velocity v to collar C and causes pin P to travel along the smooth slot. Determine the values of r dot and theta dot, where r = OP, if h = 160mm, x= 120mm and v = 25 mm/s at the instant represented.
1 one mole of a monatomic ideal gas is subjected to the following sequence of stepsa. starting at 300 k and 10 atm the
Assuming the brine has the properties of water, determine the required brine flow rate, the required effectiveness of the heat exchanger, and the required heat transfer surface area. The overall heat transfer coefficient is U 4000 W/m2.
air at 20 degree c 40 rh is mixed adiabatically with air at 40 degree c 40 rh in the ratio of 1 kg of the former to 2
A Shell and Heat Exchanger needs to be installed. Water from the turbine at 90 C is cooled to 80 C in a shell-tube HX using 150 kg/s of raw water from Power Plant Lake. The raw water temperature can increase by 2, 4, 6, or 10 C. Design a suitable HX ..
a 1-ft3 tank that is initially evacuated is connected by a valve to an air supply line flowing air at 70of 120 psi. the
A heat engine operates between reservoirs at 1000 and 300 K. Some of the power output from the heat engine drives a refrigerator which operates between 250 and 300 K. The heat-transfer input at 1000 K to the heat engine is 1000 kJ, and the heat trans..
For plain carbon steel, with properties at 300K in the Appendix and convection (h=50 W/m^2 K) to air at 500K, determine the diameter of largest solid sphere for lumped behavior (2 part- show equivalent length is D/6 and that D for Bi
in an annealing process a stainless steel plate 50 mm thick will be heated to at least 600degc from an initial
For a tall column resting on the ground, axial stress develops due to the columns weight. (a) Derive the stress as a function of position z measured from the bottom of the column, and the total contraction of the column.
A body of mass 1 kg is whirled in a horizontal plane at the end of a spring. The spring stiff ness is 5 kN m 1 and the initial distance from the centre of rotation to the centre of the body is 200 mm. What will be the extension of the spring at a ..
Many bike computers tell the ride what altitude they are at and how the altitude is changing using a basic barometer and pressure differences. A biker rides on a hill and the computer reads barometric pressures of 475 mm Hg at the start and 530 mm Hg..
water at 200 kpa and 10 degree celcius enters a mixing chamber at a rate of 150 kgmin where it is mixed steadily with
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