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A flowrate of 3.5 ft3 /s is to be maintained in a horizontal aluminum pipe (e = 5 ×10-6 ft). The inlet and outlet pressures are 65 psi and 30 psi, respectively, and the pipe length is 500 ft. Determine the diameter of the pipe.
a helium gas in a pistoncylinder is compressed from 100kpa 300 k to 200kpa in a polytropic process with n1.5. find the
in an archery test the acceleration of the arrow decreases linearly with distance s from its initial value of 16000
If the metal sheet is moving at a steady velocity of 10 m/min, determine the required rate of heat removal from the oil to keep its temperature constant at 45°C.
The disk is originally rotating at v0 = 12 rad> s. If it is subjected to a constant angular acceleration of a = 20 rad> s2, determine the magnitudes of the velocity and the n and t components of acceleration of point B when the disk undergoes 2 revol..
A reinforced earth retaining wall (Figure 13.27) is to be 10-m-high. Here, Backfill: unit weight, g1 5 16 kN/m3 and soil friction angle, f19 5 348 Reinforcement: vertical spacing, SV 5 1 m; horizontal spacing, SH 5 1.25 m;
A 24.8-kg aluminium block initially at 209ºC is brought into contact with a 17-kg block of iron at 101ºC in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process.
In a combustion process taking place in a sealed container, 160kg of methane is burned in 560kg of O2 and 1845kg of N2 to yield CO, CO2, H2O and N2 as the products of combustion. How many kg of CO are produced?
find the value of X(0.4) using the Euler method
Gasoline at 20°C flows through a 6-cm-diameter pipe. It is metered by a modern venturi nozzle with d= 4 cm.
What are the required rotational speeds and corresponding pulse train frequencies of each stepping motor in order to drive the table at 600 mm/min in a straight line from point (25,25) to point (300,150)?
Also discuss under what conditions the effect of the geometric cross section of the bar will not be a factor in the solution.
an air conditioning system is designed for a zone with a high dehumidification demands and humid outdoor conditions.
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