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-An empty scuba tank weighs 23 lbs. It is then filled by compressing 80 cubic feet of air at atmospheric pressure to 3,000 psi. What is the volume of the tank? How much does it weigh when full?
-A tank containing polyester resin (SG = 1.2) is open to the atmosphere at the top. A U-tube manometer is connected to the side of the tank 1 m up from the bottom. The resin in the manometer has a height of 0.8 m below the tank connection. The manometer uses Mercury as the fluid and has a differential Mercury height of 0.8 meters. What is the depth of resin in the tank?
-A walkway through a salt water (gsw = 10.1 kN/m3) aquarium tank has a cylindrical acrylic top 2 m wide. The highest point of the top is 1.5 m below the water surface. What is the pressure on the dome at this depth? What is the resultant vertical force on the dome per meter of length? Where is this resultant force located?
-A fresh water (g = 1 ton/m3) barge 10 m wide by 40 m long has a draft (height of water on the outside of the barge) of 0.5 m. How much does the barge weigh? If 600 tons of gravel is loaded into the barge, what is the new draft?
Discuss in detail how the current measured with these biosensors is related to the glucose reaction rate. How was the Michaelis constant Km determined?
1. water at 80degf flows from a storage tank through 550 feet of 6-inch nominal size cast iron pipe actual id 6.52
Annular fins are integrally cast with the cylinder to increase heat transfer to the surroundings. Consider five such fins, which are of thickness t = 6 mm, length L = 20 mm, and equally spaced. What is the increase in heat transfer due to use of th..
Heat is generated uniformly in a stainless steel plate having thermal conductivity of 20 W/m·K. The thickness of the plate is 10 mm and heat generation rate is 500 MW/m3.
Steam enters a two-stage adiabatic turbine at 8 MPa and 550ºC (State 1) and is expanded to 2 MPa (State 2) in the first stage of expansion. This steam is reheated at constant pressure to 550ºC (State 3) before entering the second stage of expansion. ..
Two groundwater monitoring wells are located 100 m apart. The pressure of the water in the wells are measured using pressure transducers that reads gage pressure.
The owners of a house on a private lake are thinking of using "pumped storage" as a means of reducing their electricity bills. They will pump water from the lake up to a large reservoir overnight, and then during times of peak power prices, release t..
A structural steel bar with a 25 mm x60 mm rectangular cross section is subjected to an axial load of 160 kN. Determine the maximum normal and shear stresses in the bar.
The bicycle and rider start from rest at the top of the hill. Show how to determine the speed of the rider when he freely coasts down the hill. Use appropriate dimensions of the wheels, and the mass of the rider, frame and wheels of the bicycle to..
Construct graphs of total stresses, effective stresses and pore pressures before and after the reclamation.
Load moves along girder BCDE. Draw the influence lines for the reactions at supports A and D, the shear and moment at section C, and the moment at D.
a circular sheet metal duct carries refrigerated air to a cold storage room for apples. the duct itself is 200 mm in
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