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The capillary rise, h, of a liquid in a tube varies with tube diameter, d, gravity, g, fluid density, p, surface tension, Y, and the contact angle, B. (a) Find the dimensionless form of this statement. (b) If h = 3 [cm] in a given experiment, what will h be in a similar case if the diameter and surface tension are half as much, density is twice as much and the contact angle remains the same?
If the peak pressure and peak temperature of the cycle are 4.8 MPa and 2500, determine the net work done per cycle (kJ/kg) and the cycle thermal efficiency .
wall temperature needed for the runner to cylinder #3, such that the cylinder air inlet temperature is the same as that in cylinder #1. Runner length for cylinder #3 is 15 cm.
Determining the Exit Temperature and Power Input of Air through a Compressor, Air at 150Pa and 310K enters a compressor of inlet diameter 2cm. The Compressor raises the pressure to 3.5 times the inlet pressure
the first cash folw of a 25- year series of quarterly cash flows is equal to 35000. each cash folw in the series
a piston cylinder arrangement contains 0.4 m3 of saturated water vapor at 200 kpa. the piston is resting on a pair of
a 5.0 kg steel block is resting on a horizontal table. the coefficient of static friction us is 0.75 and the uk is
Which of the following is an effect commonly observed among adults who experience involuntary unemployment
r-134a enters the condenser of a refrigerator at 800kpa and 50oc at a rate of 0.018kgs and leaves at 800kpa as a
find a) velocity distribution in the film b) shear stress distribution c) volumetric rate of flow d) average velocity. assume the flow is steady and laminar.
A refrigerating plant operating between temprature limit of 253k and 307k provides 4.5kJ/s of refrigerating effect. If the refrigerating efficiency of the plant is 0.76. calculate the power required to drive the plant.
a hydraulic dredge is used to dredge sand from a river bottom. estimate the thrust necessary to keep the boat
a random sample of size 56 from a normal population showed a mean of 63 and a sum of squares of deviation from the
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