Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

A. High speed steel

B. Stainless steel

C. Tungsten carbide

D. Superalloys

A. Materials exhibiting high elasticity obey Hooke's law

B. The elastic behaviour of rubber under compression is the same as its behaviour under tension

C. The damping capacity of a material is due to its plastic deformation

D. The stress required to cause plastic flow in polycrystalline material is higher as compared to monocrystalline materials due to the presence of grains of different orientations

A. Hot worked materials are subjected to annealing to remove internal stresses

B. Annealing of steel hardens it slightly

C. Normalising of a material induces stresses

D. Tempering of a material improves ductility & toughness but reducess hardness & brittlenes

A. A base is always soluble in water

B. Hydrogen is released whenever a metal reacts with an acid

C. Sodium hydroxide is both a base and an alkali

D. All of the above

A. Steel

B. Glass wood

C. Copper

D. Fireclay bricks

A. Corrosion resistance

B. Machinability

C. Castability

D. None of these

A. Water cooled steel

B. Water cooled copper

C. Refractory oxide

D. Silicon carbide

A. Indeterminate

B. Zero

C. Infinity

D. Same as that at any other temperature

A. Martensitic steels are less susceptible to pitting corrosion than austenitic steels

B. Pitting corrosion is usually very localised

C. Hydrogen embrittlement is facilitated by tensile stress

D. Stress corrosion cracking is facilitated by tensile stress

A. Increasing the size of the sample

B. Smooth polishing of the surface of the sample

C. Having compressive residual stresses at the surface

D. Having tensile residual stresses at the surface