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1.A sample of moist soil has a volume of 40.5 cc mass weight of 59.2 gms. After drying it has a mass weight of 48.3 grams. The specific gravity of the solids are 2.68. Compute the degree of saturation, water content and void ratio.
2.The jib crane is supported by a pin at c and a rod at ab if the load has a mass of 2Mg with its com located at g determine the horizontal and vertical components of the reaction at the pin c and the force developed in rod ab on the crane when x=5m
3.Determine flow rate in a series pipe system given that roughness value and dimension(diameter and length) of pipes.
4.A 6 inch diameter water main in your town has become very rough due to rust and corrosion. It has been suggested that the flowrate through this pipe can be increased by inserting a smooth plastic liner into the pipe. Although the new diameter will be smaller, the pipe will be smoother. Will such a procedure produce a greater flowrate? List all assumptions and all calculations.
Calculate the vapor pressure, air pressure, relative humidity, and air density at elevation 1500 m if air temperature is 25 degrees C and dew point temperature is 20 degrees C and the lapse rate is 9 degrees C/km
A steady fire with an energy release rate of 500 kW occurs in a room 3m wide, 3m long, and 2.4 m high, with a door opening which is 1.8 m high and 0.6m wide. the ambient temperature is 20 degree celcius.
the rig shown consists of a 1200-lb horizontal member abc and a vertical member dbe welded together at b. the rig is
38 mL of 0.02 N HCl is added to neutralize 50.0 mL of lime water (Ca(OH)2). Calculate the hardness of lime water as mg/L as CaCO3 and mg/L as Ca(OH)2.
Two vessels are connected to a differential manometer using mercury (s=13.56), the connecting tubing being filled with water. The higher-pressure vessel is 5 ft lower in elevation than the other
Write a VBA function that receives a gauge pressure and barometric pressure and then returns the absolute pressure. Have the function check whether the barometric pressure is zero
Assuming that the average stack gas velocity is 10.0 m/s and stack is circular with a 3.0 meter diameter, calculate the mass emissions rate of NO2 in kg/day.
A siphone generates a flow of 1 ft/sec thru a 1 inch OD, 3/4 ID hose. A) What height difference is needed to generate this flow B) What height for 10 ft/sec C) What for 100 ft/sec
Alkaloids are chemical compounds containing nitrogen that can be produced by plant cells. In an experiment, an insulated closed vessel 1.673 m3 in volume was injected with a dilute water solution containing two alkaloids: ajmalicine and serpentine..
Neglecting air resistance, determine the height a vertical jet of water will rise if projected with velocity 58 ft/ s.
Calculate the force (in Kn) a punch press must exert if it is to punch out a large washer from a strip of 5-mm thick sheet steel with an ultimate shear strength of 400 MPa.
At 25 C, approximately what pressure in MPa must be applied to water to reduce its volume by 2%
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