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A room contains 50 kg of dry air and 0.6 kg of water vapor at 25°C and 95 kPa total pressures. The relative humidity of air in the room is
(a) 1.2%
(b) 18.4%
(c) 56.7%
(d) 65.2%
(e) 78.0%
A ball is thrown vertically up with a velocity of 91 ft/sec at the edge of a 190-ft cliff. Calculate (a) the height h to which the ball rises and (b) the total time t after release for the ball to reach the bottom of the cliff.
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a desuperheater is a steady-flow adiabatic mixing process that mixes superheated water vapor with colder liquid water
A 1.5in diameter rod 20ft long elongates .48in under a load of 53 kips. the diameter of the rod increases .001in during loading. Determine the poisons ratio, modulus of elasticity, and shear modulus
The velocity at the inlet is controlled so that it changes according to the following expression. V=a-ct^2, where a = 20m/s, c- 0.8m/s. If the tank initially contains 3kg of liquid water, determine the final mass at the end if 4 seconds of flow.
consider flow of water over a flat plate of length 5 m. on one graph plot the both the drag caused by shear stress and
Ten pounds-mass of R-22 is at an initial volume of 4.059 ft3 and pressure of 200 psia. It is compressed isobaric ally until its volume is two-thirds of its initial volume. The piston is then held in place as the refrigerant cools until its temperatur..
(MATLAB) given a cannon ball that is shot upwards at an angle, the time taken for the cannon ball to hit the ground is: Write a single function that outputs the total time of flight, range of projectile and velocity on impact given inputs. Use the fu..
estimate the average electrical drift velocity in cms for a flat plate esp with a total collector area equal to 10000
there is truss that is an upsidown triangle with two twenty degree angles and is hooked up to four members with pin
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