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Two kg of air is contained in a piston-cylinder assembly. The initial volume is 0.01 m3 andpressure is 10 bar. The air is expanded to a final pressure of 10 bar and volume 0.02 m3. Fifty five kJ of heat is transferred to the air during this process. Determine the change in specific internal energy of the air. The pressure is constant during the process.
Draw the Mohr's circle for this stress state, deterrnine the principal stresses and the angle of the principal direction to the x-axis and determine the maximum shear stress.
A 10 kW electric heater is used to heat 2 kg of air contained in an insulated rigid tank from 400 kPa and 50 °C to 200 °C. The ambient air temperature and pressure is 20 °C and 100 kPa, respectively.
a truck traveling at vo 60 mph when the driver applies the brakes to come to stop the deceleration of the truck is
stainless steel ball bearings density8085 kgm3 and cp0.480 kjkg c having a diameter of 1. cm are to be quenched in
a piston-cylinder with a volume of 0.5 m3 holds 1 kg of nitrogen at a temperature of 261 k. heat transfer to the
a closed tank has an enclosed airspace above the surface of water which fills the tank to a depth of something over a
determine (a) the reaction at end A and B , (b) the minimum required cofficient of static friction at end A
a robotic rover on mars finds a spherical rock with a diameter of 10 centimeters. the rover picks up the rock and lifts
a two dimensional velocity field is described by the equation given below with a - 3 ms and b 12 ms. determine the
air is constantly being recirculated throughout the me building. in the summer that air is also cooled using chilled
Select the proper heat exchanger from American Industrial Heat Transfer Inc. company. Check whether the pressure drop on the shell side is within allowable pressure drop of 20 psi.
the position of an object is moving along an x axis is given by x3t - 4t2t3 where x is in meters and t is in
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