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Problem: Air enters a converting-diverging nozzle from a reservoir at 200 kPa (gage) and 22°C. the area at the throat is 9.7 cm2, and at the exit it is 13 cm2. Considering isentropic flow throughout with M=1 at the throat, determine the velocity of air at the nozzle exit. Please provide the step by step solutions of this problem.
An investor buys 50 of these bonds at face value, and keeps them for the full 10 years. Compute the rate of return and express the answer to the nearest 0.01%.
A rectangular channel is 2 m wide and contains water 3 m deep. If the slope is 0.85 and the lining is corrugated metal, estimate the discharge for uniform flow.
The grains of wood in the board make an angle of 20! with the horizontal as shown. Determine the normal and shear stress that act perpendicular and parallel to the grains if the board is subjected to an axial load of 250 N.
the fixture ac is designed with a screw adjustment to regulate the height of the 900 n load supported by the roller
A fire has destroyed thousands of acres of forest. Seedlings have been planted in the area but are being destroyed by the local wildlife. Develop a way to reforest the region by preventing the wildlife from eating the seedlings
A 10 story commercial building takes the form of a frame-shear wall-reinforced concrete structure. Determine the average dead weight of each floor
Calculate the NOD and ThOD of a waste containing 25 mg/L of ammonia-nitrogen (NH3-N), 50 ing/L of phenol (C6H5OH). and 150 mg/L of naphthalene (C10H8). What is the total theoretical oxygen demand of the waste?
Determine the side slopes (i.e. 1:3, etc.) of a suppressed (n=0) trapezoidal sharp crested weir with width B and upstream head H so that the discharge through it is the same as that through a rectangular sharp crested weir
Determine the maximum radius R (to the nearest 10m) so that there are at least 200m of tangent between the two curve systems and determine the Pl, ST., and CPI stations
Car moving 54 km/h when light is 240 m away turns red. Light stays red for 24 seconds. If the motorist wishes to pass the light just as it turns green without having to stop, what is the required uniform deceleration of the car and what is the speed ..
A manhole is 12 ft from the centerline of a 30-ft wide street that has a 6-in. parabolic crown. The street center at the station of the manhole is at elevation 612.58 ft. What is the elevation of the manhole cover?
Compute and simulate the probability of a unit circle falling at random completely in a square of side 2 if the center is randomly chosen in the square.
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