Chemical Engineering Basics - Study Mode
[#966] To improve the machinability of steel, it is generally subjected to
Correct Answer
(A) Spherodising
[#967] Draught produced by a tall chimney due to density difference between hot flue gas inside the Chimney and atmospheric air outside the chimney is more appropriately known as the __________ draught.
Correct Answer
(A) Natural
[#968] The instrument based on the following principle is used for the measurement of oxygen only in the flue gases.
Correct Answer
(D) Paramagnetism
[#969] Colour comparator is used to measure the
Correct Answer
(A) pH value
[#970] 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)
Correct Answer
(C) $$frac{1}{{ ext{A}}}$$