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Calculate the span of a differential pressure transmitter that is mounted 10 inches below the bottom instrument tap on an open process tank that contains a liquid with a specific gravity of 1.1.
Assuming that the isothermal coefficient of compressibility is constant, determine the percent decrease in the volume of liquid water that undergoes an isothermal increase in pressure of 100 x 10^3
Find the kinematic viscosity of this fluid in units of ft^2/s. To convert from stokes to ft^2/s you will need to multiply by 0.001075).
If the angular velocity of the drive pulley is 65 rad/s and the center distance between pulleys is 400mm, graphically determine the speed of the 200mm pulley. Will its speed be constant.
The final volume is 0.045 ft3. The experimental data for the process indicate that PV^(1.45) = constant. What is the work performed by the expanding gas?
Estimate by what percent the average air-water density is greater that that of just still air. State all assumptions and show calculations.
Find the work done if the system is at the initial temperature of 75oF and the pressure between the final state is (a) constant, (b) inversely proportional to volume and (c) given by the ideal gas r
The experimental data for the process indicate that PV1.45 = constant. What is the work performed by the expanding gas?
Determine the minimum initial velocity at which the ball must be kicked in order for it to just cross over the 3m high fence and determine the corresponding angle theta at which the ball must be kic
A 5-ft3 tank contains 0.6-gravity natural gas at 1500 psia and 100oF. 200 SCF of gas is released from the tank. This causes the temperature to drop to 60oF. What is the final pressure of the tank?
Find the percent decrease in force necessary to move the piston when the SAE 10W oil between the piston and cylinder warms up from 0 degrees C to 100 degrees C.
Assume that the puck is hit with an initial speed of 8 m/s. How long will it take the puck to stop? What distance will the puck have travelled before stopping?
If the piston is decelerating at a rate of 3.22 ft/s, determine the viscosity of the oil film between the piston and cylinder. Givens: piston diameter = 8 in, piston height = 6 in.
Find (a) the approximate location of the laminar turbulent transition; (b) the overall h- for a 2 m chord; (c) h at the trailing edge for a 2 m chord; (d) delta and h at the beginning of the transit
The mass flow rate at the inlet is measured and is 1.4 kg/s. Neglect heat transfer and potential energy changes. Find: a) the mass flow rate at the exit (kg/s), b) the exit velocity (m/s) and c) the
The pressure and temperature are p=1800lb/ft^2 and T=500 degrees R, respectively. At a second point, the temperature is 400 degrees R. Calculate the pressure and density at this second point.
The pressure and temperature ratios across a given portion of a shock wave in air. Calculate the change in entropy in units of (a) (ft . lb)/(slug . degree R) and (b) J/(kg . K).
In the reservoir of a supersonic wind tunnel, the pressure and temperature of air are 10 atm and 320 K, respectively. Calculate the density, the number density, and the mole-mass ratio.
The relationship between pressure and volume during the process is pV = constant. Sketch the process on a p-V diagram and determine the work, in kJ.
Assume you can measure the weight of the king's crown in air, Wa, and the weight in water, Ww. Express the specific gravity of the crown as a function of these measured values.
Evaluate the work transfer (in kJ) if (a) n = 0, (b) n = 1, (c) n = 1.4, and (d) plot a p-V diagram for each processes and show the work by shaded areas.
Determine the capillary height changes in these two fluids when they are in contact with air in glass tube of diameter .55mm. Contact angles are 0 degrees for water and 130 degrees for mercury.
Determine the amount of carbon monoxide formed in lbm, and find the chemical equation for this reaction on a lbmole basis.
The water is brought to the vapor state at 300oC and 1,500kPa, where its internal energy is 2, 784.4 kJ kg^-1 and it's specific volume is 169.7 cm^3 g^-1. Calculate deltaU and deltaH for the process
Pneumatic nail gun uses .02 ft3 of air, at least 100 psia, and 1 btu of energy per nail. What is the max pressure and volume of the tank?