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1. Airplane takeoff from an aircraft carrier is assisted by a steam-driven piston/cylinder with an average pressure of 200 psia. A 38 500-lbm airplane should be accelerated from zero to a speed of 100 ft/s, with 30% of the energy coming from the steam piston. Find the needed piston displacement volume.
2. A bulldozer pushes 1000 lbm of dirt 300 ft with a force of 400 lbf. It then lifts the dirt 10 ft up to put it in a dump truck. How much work did it do in each situation?
10-kg of nitrogen is heated from 20 degrees C to 250 degress C. Determine the total amount of heat required when this is done in (a) a constant-volume process and (b) an isobaric process.
If the geodetic azimuth of a line is 205°06'36.2", the convergence angle is -0°42'26.1" and the arc-to-chord correction is +0.8", what is the equivalent grid azimuth for the line?
Consider a tensile test on polycrystalline copper which has a yield strength of 20,000 PSI and a tensile strength of 40,000PSI. The engineering strain at maximum load in a tensile test was 25%.
Do the Navier-Stokes equations apply for any type of flow? If not for what type of flow does it apply for? In a fluid mechanics textbook, find the Navier-Stokes equations for a two-dimensional flow in polar coordinates.
A smooth nozzle with a tip diameter of 2 inches terminates a 6 in waterline. Calculate the mean velocity of efflux from the nozzle when the velocity in the line is 10 ft/s.
You will be using a large crane... lets say one with a capacity of 30T. What considerations need to be made prior to picking up a 15T load with the crane? If you are familiar with the use of a crane be sure to include the discussion of the outriggers..
A rigid tank whose volume is 10L is initially evacuated. A pinhole develops in the wall, and air from the surroundings at 1 bar, 25 degrees Celsius enters until the pressure in the tank becomes 1 bar.
A 50 mg-50 Pb alloy is cooled slowly from 700 C to room temperature, a) Calculate the mass fractions of the phase present at 700 C
You have been hired to analyze process piping for a food processing facility. They are using OD controlled sanitary piping to run water for a cooling jacket unit. Your job is to determine the maximum piping span.
The field measurements (in feet) for an irregularly shaped paved area are shown in Figure 17.21. Calculate the area of pavement to the closest square yard.
Draw the sidewalk/pavers you choose to use & include horizontal alignment, include all features in your site- lamps, trees, cement pads and label stations along the sidewalk. Include legend & north arrow
A force, 90 N in magnitude, is applied to control rod AB as shown. Knowing that the length of the rod is 225 mm, determine the moment of the force about point B by resolving the force into components along AB and in a direction perpendicular to AB..
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