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Mercury at 20°C flows through 4 m of 7-mm-diameter glass tubing at an average velocity of 5 m/s. Estimate the head loss in m and the pressure drop in kPa.
an ice chest is constructed of 0.4 mm thick plain-carbon steel plate a 1.9 cm thick layer of styrofoam k0.033 wm c and
a composite wall consists of a 13-mm-thick inner plaster board a 192-mm-thick fiberglass blanket insulation and a
a wire has a length of 7.20 10-2 m and is used to make a circular coil of one turn. there is a current of 3.60 a in the
in a carnot cycle heat is supplied at 350degc and rejected at 27degc. the working fluid is water which while receiving
You are given two different gases that are at the same conditions and you mix them in equal volumes. Determine the molar entropy of mixing, ?
What is the total force reaction (magnitude) at pin joint O when the square plate is released from rest? Assume the plate has a uniform thickness.
A pump is used to raise the pressure of water from 0 psig to 55 psia. How much power (in kW) will be required to pump 1.5ft3/s of water? What is the effect of the water temperature on the pump power that is required?
Hydrogen (H2) enters a combustion chamber with a mass flow rate of 5 lb/h and burns with air entering at 858F, 1 atm with a volumetric flow rate of 75 ft3/min. Determine the percent of theoretical air used.
1. A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures TC and TH, respectively. (a) If the coefficient of performance is 3.5 and TH 5 808F, determine TC, in 8F.
Water from a low dam is released through a sluice gate on a horizontal rectangular channel. The depth of water upstream of the sluice gate is 16.0 m above the channel bed andthe gate opening is 1.5 m.
the resistance to motion of a good bicycle on smooth pavement is nearly all due to aerodynamic drag. assume that the
a car at point a is 100m away from point b along a circular track distance measured along the tracks perimeter and
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