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It is proposed to pump 10,000 kg/h of toluene at 114°C and 1.1 atm abs pressure from the reboiler of a distillation tower to a second distillation unit without cooling the toluene before it enters the pump.
If the friction loss in the line between the reboiler and pump is 7 kN/m2 and the density of toluene is 866 kg/m3, how far above the pump must the liquid level in the reboiler be maintained to give a net positive suction head of 2.5 m?
Calculate the power required to drive the pump if the pump is to elevate the toluene 10 m, the pressure in the second unit is atmospheric, and the friction loss in the discharge line is 35 kN/m2. The velocity in the pump discharge line is 2 m/s. suggest a suitable pump and justify.
steam enters a turbine with a pressure of 30 bar a temperature of 400 degc at a velocity of 160 ms. steam exits as
Using the data shown in Callister Figure 7.19, draw an approximate stress-strain curve for the 1040 steel at 0% cold work and at 30% cold work, clearly indicating the yield strength, ductility, and tensile strength of the steel before and after cold-..
Calculate the delta velocity required to change the inclination of a circular orbit at 32,000 km altitude from a 28.5 degree inclination to an inclination of 45 degrees. Compute the propellant used if the satellite weighs 1200 lbs after the manoeuvre..
The following suspension system has two support structures-a spring and a rubber pad. Vertical force F (N) acts on the moveable plate. The spring has a spring constant of k1 = 1000 N/m. The rubber pad has a spring constant of k2 = 20000 N/m. The rubb..
air enters a steady-flow compressor with a specific enthalpy of 293.4 kjkg and a velocity of 60ms and leaves with a
given the initial volume is 10 ft3 and a system expands to 20 ft3 and the system has an initial pressure of 14.7 psi
you are considering replacing the diesel engine for problem 4 with a microturbine with a pressure ratio of 8. the
Calculate the deflection of the simply supported beam at the center. The material is A36 steel and calculate the deflection of the simply supported beam at the center. The material is A36 steel and the beam is ten feet long.
You are brought in to lead a 5 member team of engineers to develop machine that automatically tests a subset mechanical parts as they are produced. The machine periodically picks a part off of a conveyor belt and places it on a test stand where a ..
After scaling a wall, a thief drops 3-m to the ground if his body comes to a complete stop 0.15s after his feet touch the ground determine the vertical component of the average impulsive force exerted on his feet increases from zero by the square of ..
A fan with a diameter of 12 inches operates at a voltage of 120V with a current draw of 0.5 amps. The manufacturer claims the average velocity of air leaving the fan is 33.1 ft./s under stadard conditions. Standard air has a density of 0.075 lb mass ..
What is the heaviest weight,the boy can puton w ithout breaking either cable?
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