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1.A certain gas has a molecular mass of 40. It is under a pressure of 2.5atm and a temperatature of 25 Degree Celsius. Determine its density and pressure in CGS absolute units.
2.It is commonly known that there are 16 ounces in 1 lb. Consider a 0.5lbf glass that weighs 1 lbf when filled with 8 ounces of liquid. Determine the liquid density in British gravitational units and in SI units. Also calculate the specific weight in both unit system.
List five soil and water management strategies appropriate for agricultural use of ultisols. 100-150 word limit.
A nylon thread is to be subjected to a 10-N tension. Knowing that E=3.2 GPa, that the maximum allowable normal stress is 40 MPA, and that the length of the thread must not increase by more than 1%
You are given a mohrs circle with 10 kPa (assume positve since geotech question) in compression for sigmaz and 2 kPa (+ counterclockwise) force for shear z. This force lies on a plane 15 degrees CW.
Oil of a specific gravity of 0.75 is flowing through a 6-in pipe under a pressure of 15 psi. If the total energy relative to the datumplate is 8.0 ft below the center of the pipe is 58.6 ft, determine the flow rate of the oil.
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.
Working a problem where there are two one-story buildings of different heights next to each other. Earthquake imparts a base motion z(t) that is a cosine function. I'm given a shape function for a column of height L when deriving the EOM for each ..
Determine the COD, carbonaceous BOD, and nitrogenous oxygen demand of a 100 mg/L solution of urea (N2H4CO)
A room 7m x 6m x 3m high is to be electically heated to maintain the inside temperature at 20 C, when it is 0 C outside. The room has 2 windows each 1.2m x 1.8m and a sliding glass door 2.4m x 2.1m.
A discharge of 2,200 ft^3/sec flows in a trapezoidal channel at a normal depth of 8.0 ft. The channel has a slope of 0.01, a 12-ft bottom width, and side slopes of 1:1 (H:V). Determine the manning coefficient of channel roughness
A hydraulic jump occurs in an rectangular channel 2.3 m wide when the discharge is 2.5 m^3/s. If the upstream depth is 0.25 m calculate the depth downstream of the jump and the energy loss in the jump.
A section of highway has a speed-flow relationship of the form "q = au^2 + bu" It is known that at capacity (which is 3100 veh/hr) the space mean speed of traffic is 28mi/hr.
The pressure at the entrance of the system must be at least 75 psi and the demand is 1350 GPM. The pipe material is to be riveted steel and the length of pipe is 5,000 feet. What size pipe should be used
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