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An air roamer contains 10 kg of air at 7 bar. A blow-off valve is opened in error and closed again within seconds, but the pressure is observed to drop to 6 bar. Calculate the mass of air which has escaped from the receiver, stating dearly any assumptions made. Calculate also the pressure of the air in the receiver some time after the valve has been dosed such that the air temperature has attained Its original
ENB311 - Stress Analysis - Find the maximum shear stress and identify the section in which it occurs. All dimensions in mm and G = 27 GPa and describe the effect of a longitudinal crack in a circular shaft under torsion.
For a laminar flow between two parallel plates shown figure below, obtain an expression for the pressure drop and velocity profile. Also, obtain an expression for Frictional dissipation and the friction factor.
air is expanded in a polytropic process with n 1.5 from 2 mpa and 300 degrees celcius to 80 kpa in a piston-cylinder
determine (a) the force P required to maintain the motion of the plate, knowing that the plate is 20 mm thick, (b) the largest thickness of the plate for which the mechanism is self locking (i.e., for which the plate cannot be moved however large ..
Write the difference equation for the BTBC-CS method where a backward difference is used for the convection term and a central difference is used for the diffusion term. Assess the stability of the method.
i need you to write a report about precipitation hardening of aluminum alloys . i will attach the report format which
explain the following terms with respect to 4-storke cycle internal combustion engines strokebore ratio piston
consider a combined gas-steam power plant. water for the steam cycle is heated in a well-insulated heat exchanger by
the rate of heat transfer from the working fluid passing through the condenser to the cooling water, in kJ per kg of steam entering the first-stage turbine.
a first class lever in static equilibrium has a 50lb resistance force and a 15lb effort force. the levers effort force is located 4ft from the fulcrum. what is the actual mechanical advantage of the system?
the acceleration of a particle is given by a -ks2 where a is in meters per second squared k is a constant and s is in
saturated water vapor at 200 kpa is expanded slowly and without friction i.e. internally reversibly and isothermally in
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