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A hemispherical bowl of radius r connected to a U-tube of constant radius r. Initially the the bowl is empty and the air/manometer liquid interface in both legs is at the level of the bottom of the bowl. If water is added to the bowl until it is full, find the manometer deflection. Assume that the manometer liquid and water are immiscible. Hint: the manometer liquid interface in the left leg drops the same distance as the meniscus in the right leg rises. If R = 27 cm, r = 1 cm, and the manometer liquid is mercury, calculate the deflection.
Determine the time required for a car to travel 1 km along a road if the car starts from rest, reaches a max speed at some intermediate point, and then stops at the end of the road. the car can accelerate at 1.5 m/s^2 and decelerates at 2 m/s^2
An activated sludge system treats 1500 m3/day of raw wastewater with a BOD of 250 mg/L. The reactor volume is 375 m3. The kinetic parameters were determined to be: x = 3 day-1, Y = 0.55 kg SS/kg cells, and Ks = 150 mg/L.
A triangular shaped swale is to retain the runoff from a catchment with a design runoff rate of 0.01 m3/sec. The longitudinal slope of the swale is to be 1.5% with side slopes of 5:1 (H:V).
A particle travels along a straight line with a constant acceleration. When s=4ft, v=3ft/s and when s=10ft, v=8ft/s. Determine the velocity as a function of position.
If all the posts have the same original lenth before they are loaded, determine the average normal stress developed in each post when post C is heated so that its temperature is increased by 20 degrees F.
If you deposit $1000 per month into an investment account that pays interest at a rate of 6% per year, compounded quarterly, how much will be in the account at the end of 5 years
On a clear summer afternoon with a wind speed of 3.20 m/s measured at 100 m elevation, the TSP (total suspended solids) concentration was found to be 1520 ug / m3 at a point 2 km downwind
A cylindrical water tank is suspended vertically by its sides. The tank has a 10-ft diameter and is filled with 20 degree celcius water to a 3-ft depth. Determine the force exerted on the tank bottom
If 500 mL of benzene is spilled in a sealed room (64m^3), and it completely evaporates, what mass of GAC filters (Cmax = 80 mg benzene/1 g GAC) will be required to reach the permissible exposure limit for benzene
A mass of 200g of saturated liquid water is completely vaporized at a constant pressure of 100KPa. Determine a) the volume change b) the amount of energy added to the water
consuder a simply suppurted beam of length 10 feet with concentrated load of 1000lb at the centre of the beam. Draw the bending moment diagram and shear force diagram
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.
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