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The final volume is 0.045 ft3. 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 thetaat which the ball must be kick
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.
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?
The radical gap between the piston and cylinder is 0.002 in. 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: pi
For an actuator that has an inside diameter of 0.50 in and a length of 42.0 in and that is filled with a machine oil, compute the stiffness in lb/in.
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 exit flow area (cm2).
At one point in the duct, 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
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 brakesand coasts down the grade with an acceleration in feet per second squared given by a=3.22?0.004v2, where v is the velocity in feet per second. Determine the velocity vB at the bottom B of
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.
At 60oC the surface of water is .0662N/m and that of mercury yis .47N/m. Determine the capillary height changes in these two fluids when they are in contact with air in glass tube of diameter .55mm.
12 lbm of carbon (C) reacts with 24 lbm of oxygen (O2) to form 22 lbm of carbon dioxide (CO2) plus an unknown amount of carbon monoxide (CO).
A person is trying to fill a 10.0 gallon bucket by hand with a dipper. One dipper of water is added each second, and the dipper holds 1.0 lbm of water. How long does it take for the person to fill t
Pneumatic nail gun uses .02 ft3 of air, at least 100 psia, and 1 btu of energy per nail, tank used must supply enough air to fire 500 nails.
Pneumatic nail driver uses .02 ft3 of air at 100 psia and 1 btu of energy per nail, must drive 500 nails with a tank no larger than 500 psia, temperature at 85 def F. What is tanks maximum pressure
The two tanks are allowed to reach equilibrium, and the final pressure is measured to be 400 psia and temperature is 60oF. What is the volume of the second tank?
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 system is extremely clean and quiet, and the flow stays laminar until a noisy air compressor is turned on in the laboratory. Then it suddenly goes turbulent. Calculate the ratio of the turbulent
For the forgoing conditions and a fin unit width, calculate the fin heat rate, efficiency, and effectiveness. Compare the foregoing results with those for a fin fabricated from pure copper (k= 400w/m*
A stainless steel tube (k= 14 w/m*k) used to transport a chilled pharmaceutical, has an inner diameter of 36 mm. What is the heat transfer rate per unit of tube length?
For these conditions, what is the force (in units of lbf and N) transmitted to the structure holding the diffuser? Provide both direction and magnitude of the force, and use a picture to help presen
If this bullet was fired into 1 lbm of water at room temperature and all of the kinetic energy was converted into increasing the temperature of the water, find the water temperature increase in degr