Correct answer
D. 2 & 1
Explanation
The correct answer is 2 & 1.
Identification of pipelines carrying different liquids and gases is done by the ________ of the pipe?
Ball mills and tube mills with flint or porcelain balls are used for size reduction of________?
Zirconia probe is used for the measurement of________?
White cast iron as compared to grey cast iron is ________?
Septic tanks are used for the ________ of the deposited solids?
Ponchon-Savarit method analyses the fractional equipment based on________?