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1. Is iced water a pure substance? Why?
A piston cylinder device initially contains 50Litres of liquid at 25oC and 300kPa. Heat is added to the water at constant pressure until the entire liquid is vaporised.
a. What is the mass of the water?
b. What is the final temperature?
c. Deter the total enthalpy change.
d. Show the process on a T- V diagram with respect to saturation lines.
Air passes through a 1.5m-diameter ventilation duct at a velocity of 3.0 m/s. Calculate the volumetric flow rate and the mass flow rate assuming that the air has a density of 1.12 kg/m3.
a large compressed air storage tank with volume of 100 m3 is initially at 200 kpa and 288 k. the supply line valve is
if the tires do not slip on the pavement determine the points on the tire that have a maximum and minimum acceleration.
superheated steam at 120 bar and 520c leaves the steam generator of a vapor power plant and enters a turbine with an
air is considered as an ideal gas. dont use gas table for gas properties just assume that both cv and cp are constants.
the ends of a wire 1.17 m in length are suspended securely between two insulating plates. the diameter of the wire is
Consider atmospheric air at 25 degrees Celsius and a velocity at 25 m/s flowing over both sides of a 1 eter long flat plate that is maintained at 125 degrees Celsius. Determine the rate of heat transfer per unit width from the plate for values of th..
Fifteen kilogram of polychloroprene is vulcanized with 5.2 kg sulfur. What fraction of the possible crosslink sites is bonded to sulfur crosslinks, assuming that, on the average, 5.5 sulfur atoms participate in each crosslink?
if an automobiles braking distance from 60 mph is 150 ft on level pavement determine the automobiles braking distance
Drinking water at 10oC for an office complex must be pumped along a horizontal section of PVC pipe 50 m long at 2 m/s. The pipe has a nominal diameter of 62.5 mm and is Schedule 40. What is the head loss in m?
Water is flowing into the top of a tank at a rate of 200 gpm. The tank is 18 in. in diameter and has a 3 in. diameter hole in the bottom, through which the water flows out. If the inflow rate is adjusted to match the outflow rate, what will the heigh..
Sketch and annotate the drive train described above. What's the overall system gear ratio? Formula, Substitute/Solve,
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