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A horizontal 150mm pipe, in which 40 l/s of oil (S=.8) is flowing, contracts to a 75 mm diameter (left to right). If the pressure in the 150mm pipe is 300kPa, calculate the magnitude and direction of the horizontal force exerted on the contraction (not on the water). Assume that there is no loss of energy in the contraction. Use the gamma of water is equal to 1000 kg/m^3
At a specified point on a highway, vehicles are known to arrive according to a poisson process. Vehicles are counted in 20 second intervals, and vehicle counts are taken in 120 of these time intervals.
You may assume that the total pressure at the downstream station is uniform across the tunnel and given by the value at the wall. Neglecting gravitational effects.
A brass cube (E=100 GPa, v = 0.25(Poisson's ratio)) is 100 mm long per side. A compressive force of 100kN is applied to one side, while a tension force of 200 kN is applied to a second side.
the pressure inside a commercial airliner is maintained at 1.00 ATM. what is the net upward force exerted on a (1.0 m)(200 cm) cabin door if the outside pressure is 0.30 ATM?
Air can be assumed as a di-atomic ideal gas. Find the final temperature and the amount of work ( in kW) required for air compression at a rate of 100 mol/s , from an initial condition of 1 bar an 25 C to 10 bar; for the following ways:
EXPLAIN BRIEFLY WHY THE COMPRESSIVE STRENGTH OF WOOD LOADED "PARALLEL" TO ITS GRAIN IS HIGHER THAN THE COMPRESSIVE STREGTH OF THE SAME WOOD LOADED "PERPENDICULAR" TO THE GRAIN
determine the required spacing of shear reinforcement over the span of a 28-in-wide and 18-in-deep beam with a clear span equal to 30 ft. 2 in. the beam suports a total factored uniformly distributed load of 5.0 kips/ft.
In a study it was found that 39% of the bacteria died within 9 hoursand 67% died within 20 hours. If the rate of andwer proportional to the number remaining, how long would it take to obtain a 99.9% reduction in the bacteria
If a new piece of equipment costs $40,000.00 to purchase and it has a benfit of $500 per day. How many days per year does the equipment need to be used in order to be worth purchasing (breaking even)
A cast brass rod 60mm in diameter and 150mm long is compressed axially by a uniformly distributed force of 200kN. Determine the increase in diameter caused by the applied force, E=85GPa; poisson's rato=.30
The grid Az of a line is 142° 25' 18". If the convergence angle is 1° 05' 34" and the arc to chord correction is 2.1", what is the geodetic Az of the line
Knowing that its speed continues to increase at the same rate until it reaches 100 km/h at point C, 1) determine the speed at point B, and 2) the magnitude of the total acceleration when t = 20 seconds.
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