Basic Chemical Engineering MCQs

A. Clearance volume to the volume swept by piston per stroke

B. Volume of air in cylinder before compression to that after compression

C. Pressure after compression to that before compression

D. None of these

A. Weaker in tension but stronger in shear

B. Weaker in shear but stronger in tension

C. Stronger in both shear and tension

D. The lap joints are easily made

A. Chromel – alumel

B. Iron – constantan

C. Platinum – platinum + rhodium

D. Copper-constantan

A. 0

B. ?

C. 1

D. 0.5

A. Soft water is more corrosive than that carrying calcium salts

B. The corrosion of brass condenser tubes handling brine solution is also termed as ‘dezincification’

C. Non-annealed brass is highly susceptible to season cracking (i.e., inter-crystal corrosion due to internal stresses)

D. Pure copper is highly susceptible to stress corrosion

A. Lead

B. Cupro-nickel

C. Titanium

D. Tungsten

A. Silver nitrate

B. Silver halide

C. Calcium silicate

D. Metallic silver

A. Hardness

B. Tensile

C. Toughness

D. Compressive

A. Occurs in a bimetal couple

B. Occurs in highly stressed metallic parts only

C. Is exemplified by caustic embrittlement of boiler tubes

D. Is also called dezincification

A. Proteins

B. Carbohydrates

C. Vitamins

D. Fats