Correct answer
D. Controlled
Explanation
The correct answer is Controlled.
By-products are ________ recovered in ‘Beehive ovens’?
Activity co-efficient is a measure of the________?
The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)?
Differential manometer measures the________?
Which area is used in case of heat flow by conduction through a cylinder?
In high temperature carbonisation (as compared to low temperature carbonisation) of coal________?