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The operating reflux ratio is 3.0. Assume that Raoult's law applies and use vapor-pressure data from Problem 11.7-3. Calculate the following: Composition and amounts of distillate and bottoms for a
If the mass is displaced by 10mm from its equilibrium position and released, for the resulting vibration, calculate the frequency of vibration and maximum velocity of mass during the vibration.
Estimate the screw torque erquired to raise the load. If collar friction is eliminated, what minimum value of thread coefficient of friction is needed to prevent the screw from overhauling.
A pressure gauge measures a pressure downstream from the contraction of P2=100kPa. What force does the water exert on the area of pipe contraction?
You are requiredto heat treat samples of Al 2024 to a T6 condition but you don't know what heat treating schedule to use.
Determine the total electrical work the heat pump can consume on that day. If the heat pump consumes 6.6kW of power while operating, how long the heat pump ran on that day?
Estimate the design-stage uncertainty in determining the voltage drop across an electric heating element. The heater has a nominal resistance of 30 Ohms and a power rating of 500 W.
Stoichiometrically, how many kg of methanol are required for each kg of vegetable oil. If the methanol were directly as fuel energy would be released.
How wide must the canal be at harvesting end How long must the canal be? How much energy is harvested per day (express this in GJ and in barrels of oil)?
Velocity at the moment is V=5.18 m/s, density p=6.13 kg.m^3. Assume air inside the container is uniform everywhere, calculate the density change rate at the moment.
Absolute Pressure is known at both inlet and outlet , P1=168,600 Pa, P2=121,700 Pa. Calculate the force on the flange that mounts the horizontal section of the pipe.
Cconstant specific heats for air at room temperature, determine (a) the velocity of the exhaust gases, (b) the propulsion power developed, and (c) the rate of fuel consumption.
The air is now heated to a final state of 0.45 m^3 and 800 kPa. Determine (a) the total work done by the air and (b) the work done against spring.
If the temperature of the balls drops to 850 degrees celcius propr to quenching, determine the rate of heat transfer from the balls to the air.
More heat is transferred until the pressure inside the cylinder also doubles. Determine the work done and the amount of heat transfer for this process.
The studs are made of grade 8 material. Find the torque (in-lb) necessary to tighten to 90 percent of the proof strength, assuming cadmium plated threads.
Consider one kmol of methane at a pressure of 23.2 bar and a temperature of 200 K. Is this methane an ideal gas? Show or describe how you reached this conclusion.
A jet of water impinges on a vane and is deflected as shown. The volume flow rate is Q = 0.16 m3/s and the nozzle speed is v = 34.1 m/s. Determine the force required to hold the vane stationary.
Assume that the change in kinetic energy is negligible. Determine the magnitude and direction of heat transfer rate during the process.
The distance from the top surface of the beam to the neutral surface is 82.5mm. Calculate the radius of curvature and the vertical deflection at the end of the beam.
The material is a low carbon steel (BHN of 200) with a suggested cutting speed of 85 fpm at .015 ipr. Use a specific HP of 1.1 HP/in3/min. Calculate the following: HP required at the spindle and
Determine the angular speed (magnitude of the angular velocity(omega)) of the rocket at t = 3.1 seconds. Specify your answer in rad/s to 2 decimal places.
A horizontal cylinder is separated into two sections by an adiabatic, frictionless piston. How much entropy is generated (kJ/K) during the process?
The iron casting and the water are allowed to come to thermal equilibrium. Does this process violate the second law of thermodynamics? If so how? If not why not?
Nitrogen initially occupying 3.5 ft3 at 87 psia, 480°F undergoes in internally reversible expansion during which PV1.2 = constant to a final state where the temperature is 100°F.