Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of?
Correct answer
C. Grashoff number & Prandtl number
Explanation
The correct answer is Grashoff number & Prandtl number.
Correct answer
C. Grashoff number & Prandtl number
Explanation
The correct answer is Grashoff number & Prandtl number.
10 to 30% magnesite is added to Chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the ________ of Chromite?
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?
When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is________?
Moderating material used in a thermal-reactor should be a ________?
High pressure coal gasification is employed in ________ process?
Caking coal is desirable for________?