Category: Chemical Engineering Basics

A. Black
B. Silver grey
C. Green
D. Yellow

A. Induce stresses in it
B. Refine its grain structure
C. Reduce segregation
D. Improve its mechanical properties

A. Decreases with the increase of concentration of the solute
B. Increases with the increase of concentration of the solute
C. Remains constant
D. Is unity at infinite dilution

A. Processing of thermosetting plastics is ideally done by injection moulding
B. Processing of thermoplastics is ideally done by compression moulding
C. Mass production of seamless pipes are done by electrical resistance welding (ERW)
D. Stretch forming is a process of cold drawing

A. Surface finish
B. Fatigue limit
C. Creep limit
D. Surface cleanliness

A. H2
B. He
C. Ar
D. O2

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

A. Impact strength
B. Percent elongation
C. Hardness
D. Both B & C

A. Alloy steel
B. Grey cast iron
C. Mild steel
D. High carbon steel

A. Glass fibre in a polymer matrix
B. Glass fibre in a metallic matrix
C. Polymer fibre in a glassy matrix
D. Both ‘b’ & ‘c’