Category: Chemical Engineering Basics

A. Full annealing
B. Bright annealing
C. Patenting
D. None of these

A. Machinability
B. Corrosion resistance
C. Fluidity
D. Strength

A. Form slag by combining with impurities
B. Supply heat by undergoing exothermic reaction with impurities
C. Reduce the coke consumption
D. Reduce slag viscosity

A. Positively charged
B. Negatively charged
C. Neutral
D. Of higher wavelength than visible light

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