Heat Transfer Peclet number (Pe) is given by Pe = Pr/Re Pe = Re/Pr Pe = Nu.Re Pe = Re.Pr Pe = Pr/Re Pe = Re/Pr Pe = Nu.Re Pe = Re.Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube pitch Tube layout No. of baffles Tube diameter Tube pitch Tube layout No. of baffles Tube diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Turbulent flow Both A and B Wall or skin friction Form friction Turbulent flow Both A and B Wall or skin friction Form friction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for Sphere Cylinder Equal for all the three Cube Sphere Cylinder Equal for all the three Cube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ equation relates the thermal conductivity of a solid to its temperature. Lee's Antonie Kistyakowski Kopp's Lee's Antonie Kistyakowski Kopp's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively increases Cummulatively decreases And the surface conductance increase Remains constant Cummulatively increases Cummulatively decreases And the surface conductance increase Remains constant ANSWER DOWNLOAD EXAMIANS APP