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Consider the system shown in Fig, if a change of 0.7 kPa in the pressure of air causes the brine-mercury interface in the right column to drop by 5 mm in the brine level in the right column while the pressure in the brine pipe remains constant, determine the ratio of A2/A1
a particular system obeys the relation uau-2expsr n moles of this substance initially at temperature to and pressure po
air at 1 atm 90f and 8 fts enters a thin-walled tube of 4-inch diameter. the tube surface temperaure is maintained at
write an appraisal of mathcad including a comparison with mathlab. describe another feature of mathcad, giving examples of how it can be used.
the power p required to drive a fan is believed to depend on density p flow rate q impeller dia. d and angular veloctiy
a stack was sampled for 8 minutes. the gas velocity at stack conditions through the sampler was 15.0 ms and the area
A small 6-mm diameter pin was designed using ASTM no. 40 cast iron to withstand an axial compressive load of 3.5kN combined with a tensional load of 9.8 N.m. Calculate the factor of safety the designer m must have used.
Air undergoes a polytropic process in a piston cylinder from p1=1bar, T1=295K to p2=7bar. The air is modeled as an ideal gas and kinetic and potential energy effects are negligible. For a polytropic exponent of 1.6, determine the work and heat transf..
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, ?
A piston-cylinder assembly undergoes a cycle consisting of the following three processes: Compression with constant internal energy. Constant-pressure expansion with W_3-1=12.5 kJ
in a compton experiment an electron attains a kinetic energy of 0.1 mev when a 0.5mev x-ray strikes it. determine the
If there are two forces acting perpendicular to each other at the same pin, do they resolve together to determine bearing stress?
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
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