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1.A person on the moon wishes to determine the mass of a rock. He has a spring scale calibrated to read pounds mass at a location where the acceleration of gravity is 32.186 ft/s 2 . The rock gives a reading of 18.76 on this scale. The acceleration of gravity on the moon is 5.32 ft/s 2 . What is the weight of the rock on the moon?
2.A two thousand gallon tank has two influent streams. Influent one has a flow of 20 GPH and a salt concentration of 100 mM; influent two has a glow of 15 GPH and a salt concentration of 200 mM. What is the steady-state concentration of salt in the tank. Assume volumetric steady-state and that the system is well mixed.
3.Determine A_x and A_y, joint A's reaction forces' magnitudes in the x and y directions, respectively, and C_y, joint C's reaction force's magnitude in the y direction.
You are assined the task of process design for a fixed-bed carbon adsorber system. You are given the following data: the inlet airstream flows at 5000 acfm (at 95 degrees F and 1 atm) and contains .2% n-pentane by volume; the proper operating carbon ..
Your engineering consulting firm has been asked to determine the specific weight of an unknown material. You decide to use the concept of buoyancy to figure this out. So you weigh the material in both air and water.
A soil proposed for a compacted fill contains 38% fines and 62% coarse materials by dry weight. when the coars fraction has w=2.0%, its affinity of water is completely satisfied( that is,it is saturated but surface dry).
a highway reconstruction project is being undertaken to reduce crash rates. the reconstruction involves a major
What is the Station and Elevation of the turning point (high point)? What is the Elevation of Station 16+00?
To avoid the salinization of soil in a farming area, parallel drainage canals are to be installed to maintain the water table at a depth of at least 4m below the ground surface. It is thought that no evapo-transpiration would occur below that depth. ..
If the coordinate direction angles for F3 are a=120degrees, b=45degrees, y=60degrees, determine the magnitude and coordinate direction angles of the resultant force acting on the eyebolt.
a tank contains 650 cubic feet of water.the water will be applied on 7 acres of land. What would be the the depth of water im millimeters on the land assuming that there are no losses
A chlorination process is to be used to disinfect a wastewater treatment plant effluent. The plant treats 1.8MGD (million gallon per day). The water entering this unit has about 4500mg/L of coliforms, and the effluent target is 0.1 mg/L of coliforms.
A larger-diameter pipeline will cost $2.1 million installed, but its operating cost will be only $8000 per month. Which pipe size is more economical at an interest rate of 1% per month on the basis of an annual worth analysis
determine the tangential component of the acceleration of the sled a) just before it reaches B, b) just after it passes C.
One kilogram of air, initially at 5 bar, 350 K, and 3kg of carbon dioxide (CO2), initially at 2 bar, 450 K,are confined to opposite sides of a rigid, well-insulated contained, as illustrated in the figure below.
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