Correct answer
D. Precipitation of sulphur takes place
Explanation
The correct answer is Precipitation of sulphur takes place.
Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1)?
Electromagnetic radiations propagate in vacuum with a velocity of ________ metre/second?
Which property of refractories is the most important for top section of the blast furnace?
The main use of activated carbon in water treatment is to control ________?
The characterisation factor of a crude oil is calculated as 12.5. It means that; it is________?
Name the hydrocarbon having the poorest oxidation stability?