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1. A cast-iron pipe, 3 ft in diameter, is subjected to an internal gage pressure of 100 psi. Calculate the wall thickness required if the allowable tensile stress is 11,000 psi.
2. A steel pipe located in a hydroelectric power plant is 24 in. in diameter and has a wall thickness of 3 8 in. The system operates under a maximum head of 750 ft. Assuming an ultimate tensile strength of 55,000 psi, calculate the factor of safety for the pipe.
319 grams of r-134a initially fill a weighted piston-cylinder device at 60 kpa and -20 c. the device is then heated
Methane gas (CH4) at 25° C, 1 atm enters an insulated reactor operating at steady state and burns completely with x % of theoretical air entering at 25°C, 1 atm. Calculate the adiabatic flame temperature (AFT) at x=100, 200, 300 and 400 % and plot t..
The simple beam AB shown in the figure is subjected to a concentrated load P and a clockwise couple M1= PL/3 acting at the third points. Draw the shear-force and bending-moment diagrams for this beam.
determine the specific volume of superheated water vapor at 15mpa and 350oc using a the ideal gas equation b the
When the spacecraft reaches point B on the elliptical transfer orbit, its speed B v is increased to the orbital speed of Mars. Knowing that the mass of the sun is 332.8 A? 103 times the mass of the earth, determine the increase in velocity requir..
a 200 mm diameter sight window on the wall of a furnace is losing heat at a rate of 1500 w. if the furnace is at 1200
The filter ofProb. 30.7 is operated at a constant rate of 0.6 gal/ft2-min from the start of the run until the pressure drop reaches 70 lb f/in. 2 and then at a constant pressure drop of 70IbJ/in.' until a total of 1400 gal of filtrate is obtai..
Design a solid, straight centrally loaded column to carry 100,000 lbs. Assume one end is pinned and the other is fixed.
Refrigerant 134a exits a heat exchanger through .75-in - diameter tubing with a mass flow rate of .9 lb/s. The temperature and quality of the refrigerant are -15 Fahrenheit and .05, respectively. Determine the velocity of the refrigerant, in m/s.
1. How does the operator of a pumper-tanker fire engine control water flow to all the hoses in use? 2. For air flowing through a converging-diverging channel, sketch the variation of the air pressure as air accelerates in the converging section and..
find the total heat loss per m length of the steam line. Find also the temperature at the interface of steam and insulation.
Calculate the thickness of a nickel foil that was found to transmit 47.8% of the incident power of a beam of Cu Ka radiation. The density of Ni is 8.90 g/cm3.
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