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A rigid tank with a volume of 1.8 m3 contains 15 kg of saturated liquid-vapor mixture of water at 2 bar. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized. Show the process on a T-v diagram with saturation lines.
an ideal vapor-compression heat pump cycle with refrigerant 134a as the working fluid provides heating at a rate of 15
If an identical spring is cut so that one part is one-fourth and the other part three-fourths of the original length, and the mass m is connected to the two parts, what would be the natural period of the system?
Calculate the e?ciency of the furnace if the speci?c heat capacity of the water is cp = 4.2kJ/(kgK) and the zero level of enthalpy is at 0?C! (η = 79.6%)
consider a cold canned drink left on a dinner table. would you model the heat transfer to the drink as one two or three
consider air parcel moving upwards. a what will be the air parcels temperature be at 2 km altitude if the surface
suppose that two ergonomists rated 21 different cell phones as to their usability the ergonomist agrees with the
a piston cylinder device contains 0.3kg of r134-a initially at 0 c and 400 kpa. the cylinder is then heated until the
a company is interested in hiring you to build something for their use. they want to make a cyclotron that will
Find the area of a semi-circle truncated at one end (on the flat side) by a length l. Express the area in terms of the radius R and l -- you can define additional variables in terms of R and l for neatness. Find the area with the hatched lines (the l..
use the equations below. note that the direction is indicated by the sign in front of the equations.x 0.0571 m
two dimensional steady state conduction occurs in a hollow cylindrical solid of thermal conductivity k 16wmk outer r -
energy in the home personal energy use and home energy efficiency. nbspestimate your personal annual energy usage for
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