The thermal conductivity of a sheet of rigid, extrudedinsulation is reported to be k0.029 W/mK. Themeasured temperature difference across a 20-mm-thicksheet of the material is T1T210C.(a) What is the heat flux through a 2 m 2 m sheet ofthe insulation?(b) What is the rate of heat transfer through the sheetof insulation?

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

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

Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point. the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.