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Estimate the diffusion coefficient of carbon tetrachloride into air from the following data recorded in a Stefan-tube experiment with carbon tetrachloride ad oxygen: diameter of tube and its length above liquid surface: 1 cm and 15 cm respectively; temperature and pressure maintained: 0°C and 760 mm of mercury; evaporation of carbon tetrachloride: 0.03 gm in 10 Hr; vapour pressure of carbon tetrachloride: 33 mm of mercury.
argon in the amount of 0.6 kg fills a 0.05 m3 piston cylinder device at 550 kpa. the piston is now moved by changing
Air enters a one-inlet, one-exit control volume at 6 bar, the pressure is 3 bar, the temperature is 456.5 K, and the velocity is 300 m/s. The air behaves as an ideal gas for steady-state operation, determine: (a) the mass flow rate in kg/s (b) the ex..
a furnace wall as 0.5 m thick inner layer of fire clay brick k1.7wmk a 0.1 m thick layer of kaolin brickk0.12 and a
Two cargo trains each leave their respective stations at 1:00 p.m. and approach each other, one traveling west at 10 miles per hour and the other on separate tracks traveling east at 15 miles per hour. The stations are 100 miles apart. Find the time ..
a small household refrigerator is used to cool 20 liters of water initially at 22 degrees c. the cop of the
a ventuti meter installed in a horizantal water main of diameter 150mm has athroat diameter of75mm. the coeficient of
the molar volume cm3mol of a binary liquid mixture at t and p is given by v 120x170x215x18x2x1x2a find expressions for
Double-pipe heat exchanger. This type of heat exchanger is composed of concentric pipes, with hot water flowing in the inner pipe while cold water flows in the annulus between the inner pipe wall and outer pipe wall.
water is flowing turbulently at a mean velocity of um10 fts in a 1.0 - in. i.d. horizontal pipe and the fanning
Obtain the differential equation and the boundary and initial conditions that could be solved to determine the tem- perature as a function of position and time in the bar.
neglecting the effect of the fillets and of stress concentrations determine the smallest permissible diameters of the
What is the maximum carbon content possible for a plain carbon steel that must have an impact energy of at least 200 J at -50degC?
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