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A horizontal pipe has an abrupt expansion from D1 = 8 cm to D2 = 16 cm. The water velocity in the smaller pipe is 15 m/s and the flow is turbulent. The pressure in the smaller pipe section is P1 = 350 kPa. Taking the kinetic energy correction factor to be 1.08 at both the inlet and the outlet, determine the downstream pressure P2, and estimate the error that would have occurred if Bernoulli's equation had beenused.
A mixture of dry air and water vapor is at a temperature of 21C under a pressure of 101.3 kPa.The dew point temperature is 15C.(Ps= saturation pressure at 15C=1.7044 kPa;Pd=saturation pressure at 21C=2.4861 kPa) find humidity ratio and relative hu..
(1) I shte cooling process polytropic? If so, what is the value of n? (2) Find the final state pressure. (3) Compute the work done for this process considering the water as a closed system.
Knowing that the modulus of elasticity of brass is 105 GPa, determine the magnitude of the load P for which the deflection of the plug is 1,25 mm downward.
Fluid/Dam Pressure, Compare the pressure force exerted on the face of two dams that hold a fresh water of 1000 Kg/m^3 density and a salty water of 1030 Kg/m^3
What tightening torque should be used if the connection is permanent and the fasteners are lubricated? What portion of the external load is taken by the bolts? By the members?
The two mooring cables exert forces on the stern of a ship. Represent each force as a Cartesian vector and determine the magnitude and direction of the resultant.
Determine the resulting stress equations for σx, σy and τxy given the Airy's stress function ? = a1x^4 + a2(x^3)y + a3(x^2)(y^2) + a4x(y^3) + a5(y^4), where ai are constants. Also determine, if any, the restrictions between constants.
Crank AB of the linkage shown rotates clockwise at 300 rpm. Using graphical method, determine the velocity of point B, C, D, and E.
Analyse the operational characteristics of the current system / component available in the market and future systems yet to come into production. Analyse the effect of the system on the environment and its sustainability.
Show the principle stresses on the neutral axis on a correctly oriented element relative to the axis of the beam.
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
100 kg of liquid water at 25C and 50 kg of ice at 0C are placed in an isolated container. (a) (b) (c) Find the initial volume of the liquid-ice mixture, in m3. Determine the volume after all the ice is melted, in m3. Will the temperature of the li..
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