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Determine the enthalpy of nitrogen, in Btu/lbm, at 400 R and 2000 psia using (α) data from the ideal-gas nitrogen table and (b) the generalized enthalpy chart. Compare your results to the actual value of 177.8 Btu/lbm.
The vertical velocity of the box at the time that it hits the surface is v= 5m/s. After impact the camera experiences an acceleration of a = -kx, where k is a constant and x is the compression of the packing material.
A cylindrical chimney,1 m in diameter and 2.5 m tall is exosed to a uniform 50km/hr wind at standard atmospheric conditions.End effects and gusts may be neglected.
A materials engineer is working in a research project to evaluate the effect of one type of admixture on the compressive strength of concrete
According to his will: First give one coin to manager. 1/5th of the remaining to the elder son. Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among ..
Air photos are taken with specified overlap to take advantage of image parallax. Calculate the time interval between air photo exposures if the ground speed of the aircraft is 160km/h, the focal lenght is 50mm,
When making hardness measurements, what will be the effect of making an indentation very close to a preexisting indentation? Why?
How many mL of water will it take to get 10 pounds of dry aggregate to a moisture content of 5%. 1 kg=2.2 pounds
Draw block diagrams of the unit operations necessary to treat the following wastes to effluent levels of BOD5 = 200 mg/L, SS = 100 mg/L, P = 5 mg / L (required for discharge into a sanitary sewer).
If they pull themslevles along the the rope until they meet how far does each skater travel? B)If only the 45 kg skater pulls along the rope until she meets her friend( who just holds onto the rope) how far does each skater travel?
What thickness of HMA would be required to carry the same traffic (computed in B) if there is a loss of serviceability due to frost heave of 0.8? Assume that the thickness other two layers would not be changed.
Labor of this activity is given as in the CREW, 1 brick mason and 1 helper. The productivity is 0.5 labor hours per 1 sf. The wages are for the mason $60 and for the helper $45 per hour.
A splice is made in a 360UB44.7 tension member by bolting it to plate on both sides of the web. Check the structural capacity under pure tension (maximum tension force T) using the section shown below (not to scale) by considering all the possible fa..
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