Correct answer
A. Permanent linear change
Explanation
The correct answer is Permanent linear change.
During its calorific value determination by bomb calorimeter, coal is combusted by ________?
________ is the undesirable by-product produced in the manufacture of urea?
The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmann‟s constant, T = absolute temperature)?
Mannheim furnace is used in the manufacture of________?
Foul odour and bad taste of water is removed by treating with________?
Often earing defects are found during deep drawing operation, because the ________?