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1.A stream flowing at 35 cubic meters per minute has a temperature of 18 degrees C. A discharge from a power plant cooling tower has a temperature of 81 degrees C and flows into the stream at a rate of 3 cubic meters per minute. What is the temperature in the stream downstream of the cooling tower discharge?
2.A particle enters a 20 meter long rectangular settling tank an travels with the flow at a horizontal velocity of 0.09 meters per second. If the tank is 2 meters deep and the particle enters the tank at the surface of the water, what is the longest amount of time that the particle can take to settle, if it is to be removed?
A jet on an aircraft carrier is launched by a catapult. What are some of the parameters that would be taken into account to make sure the aircraft achives a specified speed at the end of the ship
The current removal efficiency is 96% for an air flow rate through the separator equal to 18 m3/s. Due to a process change, the air flow rate is expected to increase to 22 m3/s.
design a horizontal curve with a 40-degree central angle ( delta = 40) for a two-lane road with 11-ft lanes. The design speed is 70 mi/h and superelevation is limited to 0.06 ft/ft. Give the radius, degree of curvature, and length of curve that yo..
The maximum permissable fecal coliform concentration that may be discharged is 2,000 fecal coliform CFU/L. It is proposed that a pipe carrying the wastewater be used for disinfection process.
A projectile is fired up into the air at a speed of 161 m/s at an angle of 64° relative to the horizontal. Determine the maximum height the projectile will reach.
A clay lense of Kc=0.10cm/day is sandwiched somewhere inside a vertical soil column of height 100cm that is otherwise filled withsand of Ks=200cm/day. A depth of water d=10cm is ponded above the surface.
The steel shaft of diameter D is cemented to the thin rubber sleeve of thick-ness t and length L. The outer surface of the sleeve is bonded to a rigid support.
Four forces act on a small airplane in flight: its weight (26 kN), the thrust provided by the engine (9 kN), the lift provided by the wings (25 kN), and the drag resulting from its motion through the air (3 kN).
Determine a composite SCS runoff curve number for a 600-acre basin that is totally within soil group C. The land use is 40 percent contoured row crops in poor hydrologic condition and 60 percent native parture in fair hydrologic condition.
The pump graphs are given to us, and I'm asked to determine possible lengths and diameters of the pipe to meet two requirments. The system can have multiple outputs in order to satisfy the needs, but they must be occuring at the same time.
The beam is loaded with a concentrated live load of 10 kips at the center of its span, in addition to its own weight.. The dead load includes the beam weight. The steel is A242, Grade 50.
Samples of 20 rivets for a steel structure are checked for quality every hour. The probability of finding a bad rivet that has to be scrapped is 1%.assume that x is the number of parts in the sample of 20 that have to be scrapped.
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