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Given the following strain state ex= 0.01375 % , ey=0.04625% , ez=-0.035 % , v(yz)=0.1625 %, v(xz)=0.0325%, v(xy)= -0.0975%
compute the state of stress (in matrix form) and the numerical value of the elastic strain energy per unit volume in J/m3, U, in an isotropic steel. and poison ratio=0 .3 Please give stress in MPa.
a robot unloads a finished component from a machine and places it on a gravity conveyor. the conveyor accelerates from
one cubic foot 1 ft3 of air is contained in a piston - cylinder arrangement. the axis of the cylinder is oriented in
A mixture of air and water at a temperature of 30ºC and a pressure of 750 mmHg has a relative humidity of 75%. The wet gas is compressed to 40 psia and cooled to 20ºC. How many cubic meters of original gas were compressed if 0.75 lb of condensate (wa..
air flows steadily at low speed through nozzle distance charging to atmosphere. the area at the nozzle inlet is
A vapor compression refrigeration cycle is used. The working fluid is R134a. The fluid at the compressor inlet is a superheated vapor with a pressure p1 = 200 Kpa and a temperature T1 = 10°C. The compressor pressure ratio p2/p1 = 8, the fluid exits..
Find the stress in both members shown below and what steel specifications (types of steel) are suitable for structural applications?
An insulated rigid container is separated into two parts using a partition that is free to move and the partition allows heat transfer without any energy storage by itself. Initially 2 kg of air at 5 bar and 350 K is contained on one side of the part..
an ideal gas carnot cycle with air in a piston cylinder has a high temperature of 1200 k and a heat rejection at 400 k.
A) A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which
a rocket has an initial mass of 25000 kg of which 20000 kg is fuel and oxygen. it is propelled directly upward from
There is a membrane made of an isotropic material whose elastic modulus and Poisson's ratios are E and v, respectively. When this membrane is elongated along x-direction with no lateral deformation in y-direction, the apparent elastic modulus (E') de..
A heat engine draws equal amounts of energy from 3 different sources: one at 1000 K, one at 1500 K, and one at 2000 K. The engine rejects heat at a rate of 100 kW to the environment at 300 K. What is the maximum power that the engine can produce?
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