Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)?
Correct answer
D. V2/A2
Explanation
The correct answer is V2/A2.
Correct answer
D. V2/A2
Explanation
The correct answer is V2/A2.
A 25 cm × 25 cm × 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m × 1m × 1cm flat sheet of the same material is to be dried from one side only. Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is ________?
For hot feed, forward feeding as compared to backward feeding results in ________ economy?
The term analogous to voltage in a single tank system is the________?
The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively ________?
Pick out the correct equation?
In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raffinate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg)?