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An air conditioning unit has two inlet air streams: a stream of return air from the building (2.25 kgs at 25C) and a steam of outside air (0.75 kg/s at 30 C). These streams are blended and then colled by a cooling coil to 20 C.
What is the heat transfer rate from the air into the cooling coil?
Show that Airy's stress function ? = Crθ sinθ satisfies the biharmonic equation. Also determine the stresses in polar co-ordinate system.
a uniform chain of total mass m and total length l lies in a heap on a table. one end is pulled upwards at constant
a single cycle of a ramp function of voltage versus time has the form vt 100t from -0.01 to 0.01 s. using direct
a cylindrical specimen of a titanium alloy having an elastic modulus of 107 gpa 15.5 times 106 psi and an original
assuming that the diameters of 1000 brass plugs taken consecutively from a machine form a normal distribution with
Find the Temperature of the Refrigerant, A closed vessel with a volume of 2 ft^3 contains 5 lb of Refrigerant 134a. A pressure sensor in the tank wall reads 71.39 lbf/in.^2 (gage).
1. would a flagpole made of steel or aluminum freeze ones tongue to it faster? why? thermal conductivity2. the outer
from the solar constant 1353 wm2 and the average distance between the sun and the earth r 1.49x1011m estimate a the
A cooking pan whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. If the local atmospheric pressure is 101 kPa, determine the temperature at which the water starts boiling when it is heated.
The uniform 6-kg slender rod rests on the top center of the 3kg block. If the coefficients of static friction at the points of contact are ua=.4 and ub=.6, and uc=.3, determine the largest couple moment M which can be applied to the rod without ca..
A hypothetical element has an atomic weight of 91.6 g/mol, a density of 9.60 g/cm3, and an atomic radius of 0.137 nm. Determine whether its crystal structure is FCC, BCC, or simple cubic.
solar turbines mercury 50 gas-turbine power generatorinlet air temperature 300 kinlet air pressure 100 kpa atmospheric
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