Chemical Engineering MCQs

A. Decreases
B. Increases
C. Remain same
D. May increase or decrease

A. Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface
B. Surface temperature is greater than the saturation temperature of the liquid
C. Heat transfer from the surface of the liquid is less than that in film boiling
D. The temperature is less than that of film boiling

A. Brake linings
B. Bearings
C. Carbide tool tips
D. All a, b and c

A. Cobalt
B. Hafnium
C. Cadmium
D. Boron

A. Cyaniding
B. Parkerizing
C. Austempering
D. Martempering

A. Wetness
B. Mass flow rate
C. Both a & b
D. Neither a nor b

A. Polymerisation
B. Photochemical reaction
C. Oxidation
D. None of these

A. Surface finish of the sheet is poor
B. Sheet material has been given substantial spring back
C. Starting sheet has planer anisotropy due to its texture
D. Starting sheet has normal anisotropy due to its texture

A. Butt
B. Lap
C. Welded
D. None of these

A. Manganese
B. Silicon
C. Nickel
D. Chromium