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Determine the headwater depth of a 1000 mm (high) by 1500mm (wide) concrete box culvert operating under outlet control with a stream flow of 3.0 m3/s. The culvert is 50 m long, K.=0.5 and on a slope of 0.25%. The taihvater depth is 1.1m. What will be the headwater depth if the tail water depth is reduced by 0.8 m?
ten kilograms of water initially at 3000 kpa 200degc are contained in a piston-cylindernbspdevice shown below. a
The magnitude of the horizontal(to the right) for F1 is 5kN and F1 + F2 + F3 = 0. What are the magnitude of F2 and F3?
If the filling is done rapidly, calculate the final temperature in the small cylinder, (a) assume that oxygen is an ideal gas with Cv= 5R/2 and (b) using accurate thermodynamic data for oxygen.
Find the new optimal solution of the LPP if the availability of the second constraint
Kinetic and potential energy effects can be ignored. Evaluate the work required and the heat transfer, each in kW.
A small hydroelectric power plant produces electrical power at a rate of 30 kW. The plant utilizes a stream of water that drops 40 m from a lake to the turbine and flows at a rate of 100 kg/s. What is the efficiency of the turbine-generator?
determine the work done by a 1-lb fluid system as it expands slowly within a piston-cylinder arrangement from an
The angular acceleration of a shaft is defined by the relation a = -0.25w, where a is expressed in rad/s^2 and w in rad/s. Knowing that at t=0 th angular velocity of the shaft is 20 rad/s, determine the time required for the shaft to come to rest.
A turbine takes in 2 kg/s neon at 27C and 200 kPa with negligible velocity. The produced work is 75 kW and 30 kW of heat leaks into the turbine from the surroundings. The neon exits at 100 kPa and 230 K. Find the exit velocity of the neon.
Gear A rotates with an angular velocity of 100 rpm clockwise. Knowing that the angular velocity of arm AB is 50 rpm counterclockwise, determine the corresponding angular velocity of gear B.
Compute the percentage ionic character of the interatomic bond for each of the following compounds: MgO, GaP, CsF, CdS, and FeO
a ball is shot vertically into the air 50 m/s 108m from the ground. 6 seconds later, another ball is shot vertically into the air 20 m/s 58m from the ground. Find the distance where they meet in the air from the ground.
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