Aspecimen of steel having an initial diameter of 0.503 in was tested in tension using a gauge length of 2 in. the following data were obtained for the elastic and plastic states. elastic stateload elongation1000 0.00042000 0.00063000 0.00104000 0.00137000 0.0023plastic stateload elongation8800 0.19849200 0.19879100 0.196313200 0.192415200 0.1875estimate the value of the modulus of toughness, assuming that the last data point corresponds to fracture

Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k