Chemical Engineering Basics - Study Mode

[#341] Damage to metal surface by mechanical action is called
Correct Answer

(C) Erosion

[#342] Screws are specified by their __________ diameters.
Correct Answer

(B) Major

[#343] The following is a typical anionic collector used in flotation.
Correct Answer

(C) Potassium ethyl xanthate

[#344] With increase in compression ratio, the volumetric efficiency of air compressor
Correct Answer

(A) Increases

[#345] The thickness of oxide film is y at time t. If K 1 , K 2 and K 3 are the temperature dependent constants, the parabolic law of oxidation is given by
Correct Answer

(A) y 2 = 2K 1 t + K 2