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For a silicon chip at steady state, determine the rate of entropy production. The chip is 5 mm on a side and 1 mm in thickness and is embedded in a ceramic substrate. The chip has an electrical power input of 0.225 W. The top surface of the chip is exposed to a coolant whose temperature is 20?. The heat transfer coefficient for convection between the chip and the coolant is 150 W/m2K. What is the cause of entropy production in this case?
an electrical window air conditioner with a cooling capacity of of 8000 kjhr draws 6.00 amps of electrical current at
a 3-kg stone is dropped from height h and strikes the ground with a velocity of 30ms. a determine the kinetic energy of
why do we not take into account the normal forces or the frictional forces acting on the jumper when determining the
the position of a point p on a line is given by the equation x t sinpi t2. the point starts moving at t0. find the
derive from first principles an expression for the compressive buckling load on a simply supported beam of length l and
Overview of the company which includes company background, major businesses, annual production, and major customers involved.
air is compressed in a piston-cylinder device from 100 kpa and 17degreec to 800 kpa in a reversible adiabatic process.
consider a spark ignition combustion engine with two possible configurartion for turbocharging. configuration a is
water is pumped at a rate of 1.57 cfs from one large open tank into another through a 6 in diameter cast iron pipe 400
Find Max Level Airspeed at 95% RPM and find Max Range Airspeed (VBR) and Max Endurance Airspeed (VBE) - find Max Specific Range and Max Range Airspeed
when the tucurui dam was constructed in northern brazil the lake that was created covered a large forest. underwater
1.based on the hume-rothery rules speculate on the possible driving forces behind the tendency for ordering in this
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