Use of raschig rings in place of crushed stones as packing in packed beds (other things being same)?
Correct answer
A. Decreases pressure drop, increases surface area
Explanation
The correct answer is Decreases pressure drop, increases surface area.
Correct answer
A. Decreases pressure drop, increases surface area
Explanation
The correct answer is Decreases pressure drop, increases surface area.
‘Semi steel’ is________?
PVγ = Constant (where, γ = Cp/Cv) is valid for a/an ________ process?
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?
Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for________?
Preheating of coal charge for the coke ovens reduces the ________?
The main industrial source of emission of hydrogen sulphide air pollutant is________?