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a structural steel with a fracture toughness of 60 mpam12 has no surface crack larger than 35 mm in length by how much
1 a reversible process has been defined as a process which having taken place can be reversed and in so doing leaves no
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a mixture of air and water at a temperature of 30ordmc and a pressure of 750 mmhg has a relative humidity of 75 the wet
a stiletto heel has a semi-circular cross-section with radius of 025 in due to walking over irregular surfaces and
there is a membrane made of an isotropic material whose elastic modulus and poissons ratios are e and v respectively
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a 210 pound man sits in a lawn chair on a driveway the chair has 4 solid wooden legs at 2 dia each the allowable stress
determine the force in each member of the loaded truss the forces are positive if in tension and negative if in
a scuba diver descends to 40 meters below the surface and has a 10 liter tank that contains air at 9 mpa and 7 c assume
refrigerant 134a enters a compressor operating at steady state as saturated vapor at 012 mpa and exits at 12 mpa and
1 carbon dioxide initially at 50 kpa 400 k undergoes a process in a closed system until its pressure and temperatures
1 dry air is contained in a tank wit fixed volume at 200oc and a pressure of 5 bar then the fluid is heated so that its
1 1 kg of air is polytropically compressed reversibly from 5 bar to 10 bar from an initial temperature of 300degc find
the flow around a model of a turbine blade is investigated the model is five times larger than the prototype a maximum
three kg of saturated r-134a inside frictionless piston-cylinder device is at a state state 1 such that the piston is
air ideal gas inside a cylinder filled with a frictionless piston undergoes a polytrophic process having an exponent n
what load is needed to generate a transverse center displacement of 5 mm for an aluminium beam of 15 cm length 2 cm
determine the tension in the cables de and bc and the components of reaction of the smooth collar at a the sign weighs
we are concerned about carbon content in steel it has a direct effect on the yield and tensile strength of what is
an amount p must be invested now to allow withdrawals of 1000 per year for the next 15 years and to permit 300 to be
assume that a diaphyseal cross section carries a bending moment m let the cross section be circular with inner and
a cylindrical specimen of some metal alloy 87 mm in diameter is stressed in tension a force of 1390 n produces an
air at 12 psia and 60f enters the jet engine of an aircraft flying at a velocity of 500 fts inlet area of the engine is