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Consider the circuit shown in Figure. The switches are controlled by logic variables such that, if A is high, switch A is closed, and if A is low, switch A is open. Conversely, if B is high, the switch labeled B is open, and if B is low, the switch labeled B is closed. The output variable is high if the output voltage is 5 V, and the output variable is low if the output voltage is zero. Write a logic expression for the output variable. Construct the truth table for the circuit.
A first order reaction occurs in a PFR at the rate of 2.1 hr^-1. The reactor volume is 1400L and flow is 15 gpm. If the influent concentration is 200 mg/L, then what is the effluent concentration
What is the hydrostatic force on the bottom surface of the can?
Air (m=28.97kg/kmol) is uniformly heated at steady state as it flows through a cylindrical constant area duct. It enters the channel uniformly at 2.5atm, 300K and 80m/s and exits at 1.5atm.
A tank contains 3,500 cubic meters of water and has a total sodium chloride (NaCl) concentration of 1,520 mg/L. Clean water (it has no sodium chloride) is then added to fill the tank up to a final volume of 4,000 cubic meters. The final sodium chlori..
An ogee spillway of a gravity dam is to be modeled using water. The spillway section is 40 feet high, its crest length is 60 feet and the maximum discharge is 3,000 CFS when the head on the crest of the spillway is 5 feet. Using a model scale of 1:10..
A tensile-reinforced beam has b = 12 in. and d = 20 in. to the center of the bars, which are placed all in one row. If fy = 60,000 psi and fc' = 5000 psi,
Airplane tows a 2m tall advertising banner at a speed of 160 Km/hr. If the banner is flat and 5m long, then estimate its drag assuming fully turbulent flow.
Two solid rods AB and BC are welded together at B and loaded as shown. Knowing that d1=50mm and d2=30mm, find average normal stress at the midsection of rod AB and rod BC.
To protect the channel from erosion, the normal flow velocity for the design discharge has to be reduced to 7.0 fps or below, and the flow Froude number must be reduced to 0.80 or below.
The rotor of an electric generator is rotating at 200 when the motor is turned off. Due to frictional effects, the angular acceleration of the rotor after the motor is turned off is α=-0.01ω rad/s^2 , where is the angular velocity in rad/s.
A 1-kg block of dry ice(solid CO2) becomes a gas at room temperature. calculate the volume of gas produced at 25 degrees celsius and 975 kPa.
A project for constructing a Facility just started. It involves the excavation of 40 to 60 feet deep and 60 feet wide trench to house double tunnels. A 24-inch outside diameter (22.5-inch inside diamater) water line is located in the path of the t..
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