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A gas mixture at 675.0°C and 113 kPa absolute enters a heat exchanger at a rate of 69.0 m3/hr. The gas leaves the heat exchanger at 245.0°C. The change in enthalpy of the gas during the cooling process is -6.80 kJ/mol. What is the heat required in kW? Assume the gas behaves ideally and that the changes in kinetic and potential energy are negligible.
a which bearing has higher starting torque rolling element bearing or journal bearing? justify your answer.b when
a steam turbine at steady state is operated at part load by throttling the steam to a lower pressure before it enters
determine the rate of diffusion of cu in al at 300k using d do exp -edrt where do 0.15 cm2sec and ed 125 kjmole.
Determine the amount of energy (Joules) and the power (Watts) required drilling a hole of 0.2 (5.08 mm) inches in diameter in a Titanium sheet 0.2 (5.08 mm) inches thick. Determine the volume of metal removed in an iron sheet if the power required fo..
a body is acted upon by an upward force of 12n and a horizontal force of 20n to the right. what are the amount and the
the traveling crane consists of a 5-m-long beam having a uniform mass per unit length of 20kg/m. The chain hoist and its supported load exert a force of 8 kN on the beam when x=2m. draw the shear and moment diagrams for the beam.
Diffusion in liquids commonly assumed a rigid sphere in a continuum. When would this model be most accurate?.When could it fail? Diffusion varies with viscosity to the (+1) power in gases but to the (-1) power in liquids. Why?
an air-standard otto cycle compression ratio of 9 absorbs 1000 btulbm of air. if at the beginning of the compression
the assembly consisting of a uniform slender bar mass m5 and a rigidly attached uniform disk mass 4m5 is freely pinned
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
consider some hypothetical x - y - ion pair for which the equilibrium interionic spacing and bonding energy values are
What is a double-reduction spur gear train and how would be useful in a commercial food waste grinder in which the final shaft rotates at between 40 and 44 rpm is to be designed. The input is from an electric motor running at 850 rpm and delivering 0..
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