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Liquid water at 50°C and 1 MPa is mixed with superheated steam at 200°C and 1 MPa in an open feedwater heater (mixing chamber). The water exits the chamber as a saturated liquid at the feedwater pressure. Determine the ratio of the mass flow rates of the incoming liquid water and superheated vapor that flow into this chamber.
two blocks a and b are arranged with pulleys as shown. block a has an initial velocity t 0s to the left of va1.2 ms.
To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Calculate how many pounds of strawberries are needed to make a..
An Industrial water shutoff valve is designed to operate with 30lbs of force and will encounter 200lbs of resistance force applied to a 1.5in diameter axle. What is the required actual mechanical advantage of the system?
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.
problem 1a plane stress element is subjected to stress componentssigmax 50 mpa sigmay -10 mpa and tauxy 40 mpa.1
for other properties fixed in a rakine cycle raising the condenser temperature causes what changes in the work and heat
nutrients dissolved in water are carried to upper parts of plants by tiny tubes partly because of the capillary
a piston-cylinder device contains 0.15kg of air initially at 2mpa and 350oc. the air is first expanded isothermally to
the ball at is kicked such that 60 . if it strikes the ground at having coordinates 25 -25 determine the speed at
A steel alloy to be used for a spring application must have a modulus of resilience of at least 2.07 MPa (300 psi). What must be its minimum yield strength?
consider an alcohol and a mercury thermometer that read exactly 0 c at the ice point and 100 c at the steam point. the
the spherical gas tank is fabricated bynbspbolting together two hemispherical thinnbspshells of thickness 30 mm. if the
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