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compressed nitrogen (140 lbm) is stored in a spherical tank of diameter D = 2.5 ft @ temp. of 77 degrees Fahrenheit . what is the pressure inside the tank? if the max allowable stress is 30 ksi, find the minimum theoretical wall thickness.
Office workers complain that the noise level in their office Area 1 is greater than that in the company's other office Area 2. Six measurements are made on different days in each area, with the following results
In addition to performing the cut-and-fill operations, the contractor needs to excavate the entire building footprint to a depth of 8 feet for a basement construction made of concrete masonry perimeter walls supported by 2'-0" X 0'-10" continuous ..
The pipe is connected to a 400mm diameter pipe by a concentric reducer, the gauge pressure at the entrance of the reducer is 3.00 bar and the the energy losses are neglected . Determine the restraining force.
A moist soil sample weighing 22.2 N has a moisture content of 20%. How man N of water must be added to the sample to increase the moisture content to 30%
The discharge through a 6.0 ft wide rectangular channel is 200.0 ft3/s. Find the conjugate depths of the jump formed in such a channel if 3.5 ft of energy head is lost through it.
A design for a hovercraft is made. A fan sends air in from the top of the rectangular chamber (60F) and is exhausted between skirts and the ground. Pressure in the chamber is responsible for lift, and the craft is 15 by 7 ft.
Describe the equation for discharging a water tank. Use: H= 2m, A_s= 1m^2, density water= 1000kg/m^3, K = 1kg hr^-1 m^-1/2 Mass flow in = 0 and mass flow out given by, Mass flow out = K z^1/2.
This weir is to be replaced by an uncontracted horizontal weir that will maintain the same upstream depth. Determine the height of the weir if the discharge coefficient is based on the following equation: C = 1.78 * 0.22(H/p)
Design the shear reinforcement, vertical U stirrups for independent T beam. The beam spans 24 ft face to face between simple supports, has an effective depth d= 31 in.
Assume a hydrostatic condition in a cubic tank with 64ft length, 32ft width and 16ft height. The tank is filled with 15ppg( pounds per gallon) fluid. Calculate the pressure in psignat the bottom of the tank.
The coefficient of kinetic friction between block A and the inclined plane is mu_k = 0.11 . The angle of the inclined plane is given by theta = 45. Neglect the weight of the rope and pulley. Part A - Normal Force Acting on Block A Determine the ma..
If a certain watershed received 1,250 mm of rain during a year, stored 150 mm of water in its soil mantle, and lost 400 mm of water downstream, how much water (in mm) was lost to the atmosphere (mainly through plants)
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