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What rate is NH3 is being removed from the feed gas? What is the minimum flow rate of water required to scrub out 90.0% of the incoming NH3? What is the mole fraction of NH3 in the scrubbed waste ga
If the chain has a weight of 3 lb/ft, and the man weighs 150 lb, determine the force he exerts on the ground. Also, how high must h be to lift the chain?
Show the heating-humidification process on a sketch of the psychrometric chart by drawing lines showing the process. Indicate where the air is in the solar collector and where it is in the biomass.
A 45-g bullet is fired with a velocity of 600 m/s into a wooden block which rests against a solid vertical wall. Knowing that the bullet is brought to rest in 0.001 second, determine the average im
A bullet moving at a speed of 1000 ft/s has its speed reduced to 900 ft/s when it passes through a board. Determine how many boards the bullet will penetrate before it stops.
Derive an expression for the water level height h(t) as a function of time and determine the time it takes to completely drain within +/- 10%.
The coefficient of friction between the load and the flat-bed trailer shown is 0.4. Knowing that the speed of the rig is 45 mi/h, determine the shortest distance in which the rig can be brought to
A freight elevator moving upward with a constant velocity of 6ft/s passes a passenger elevator which is stopped. Four seconds later the passenger elevator starts upward with a constant acceleration
Write out the governing equations in cylindrical polar coordinate form and simplify for the above assumptions. Write down all applicable boundary conditions.
A 3 cubic meter tank contains propane at 0.5 MPa and 3°C. Gas leaks out of the tank. At the time of detection of leak, there is 22 kg of gas remaining in the tank at a temperature of 20°C.
Find the expressions for the velocities (Vupper and Vlower) at Q1 and Q3, respectively. Find an expression for the torque T about the x-axis required to keep the system rotating at angular velocity (o
Generate an expression for the stream function along the vertical dashed line. For convenience let =0 along the bottom wall of the channel. What is the value of along the top wall?
If these components have weights WA = 45 000 1b. WB = 8000 1b, and WC = 6000 lb, determine the normal reactions of the wheels D, E and F on the ground.
Determine the horizontal and vertical components of reaction at the pin A and the reaction of the pad B on the transformer.
A subway train with cars A, B and C is traveling at 66ft/s when the brakes are applied on cars A and B causing them to slide on the. No brakes on car C. The coefficient of friction is .30 between th
Consider an evacuated rigid bottle of volume V that is surrounded by the atmosphere at pressure P0 and temperature T0. A valve at the neck of the bottle is now opened and the atmospheric air is allo
Explain what the equation of motion will become if you have three particles - the first two are sticky, and the third one is not sticky - and they are colliding.
Determine the input power of the pump (hp), and the diameter of inlet/outlet ports such that the fluid speed will be 10 ft/s (inches).
knowing that th height of the rebound is .6m, determine A) the velocity of the plate immediatly after the impact, B) the energy lost due to the impact.
A valve in a cylinder has a cross sectional area of 11 cm2 with a pressure of 735 kPa inside the cylinder and 99 kPa outside. How large a force is needed to open the valve?
An insulated piston-cylinder device contains 3 Liter of saturated liquid water. The pressure is at 120kPa. Now, an electrical resistance heater inside the cylinder is turned ON, and an electrical wo
Find the mass of steam vented out from when the relief valve first opens to the point when the water level drops below the top of the core.
Determine the density and specific volume of carbon monoxide at a pressure 100 kPa and a temperature of 300 k. For CO, gas constant = 297.4 J/kg K.