A cylindrical specimen of some metal alloy 8.0 mm in diameter is stressed in tension. A force of 3380 N produces an elastic reduction in specimen diameter of 0.0039 mm. Calculate the elastic modulus (in GPa) of this material if its Poisson's ratio is 0.32.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

Water vapor initially at 10 bar and 400 °c is contained within a piston-cylinder assembly. the water lost heat to the surrounding according to isochoric (iso-volumetric) process until its temperature is 150 °c. the water is then condensed isothermally to saturated liquid. for the water as a system, calculate the work in kj/kg

The quality is zero at a)-the saturated vapour state b)-the saturated liquid state c)-the saturated liquid-vapour mixture state d)-none of the states in the other answers