Correct answer
D. 2 and 50
Explanation
The correct answer is 2 and 50.
Both asphalt and wax are produced by ________ base crude oils?
During constant rate drying period, vaporisation rate per unit drying surface area ________?
Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)?
Sensible heat absorbed by 1 lb of water when it is heated from 32 to 212°F may be around ________ BTU?
‘N’ plug flow reactors in series with a total volume ‘V’ gives the same conversion as a single plug flow reactor of volume ‘V’ for ________ order reactions?
Flame photometry is used for the determination of compositional analysis of________?