Which dimensionless number can describe the rela boundary layers? umber can describe the relative thickness of the velocity and thermal a. biot b. nusselt c. prandti d. reynolds

What precautions should you take to prevent injuries when dealing with heavy loads?

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented