Basic Chemical Engineering MCQs

A. The outer edge of the rod

B. R/3 from the centre

C. R/2 from the centre

D. The centre

A. Perspex (PMMA)

B. Teflon (PTFE)

C. Bakelite (phenol formaldehyde)

D. Polystyrene

A. Ferritic stainless steel

B. HSLA steel

C. Titanium

D. Austenitic stainless steel

A. High precision components with complex cavities and sharp features

B. Components of large size

C. Porosity free components

D. Components of such alloys whose constituents do not form alloys readily

A. Increases

B. Decreases

C. Remains constant

D. Increases to a maximum before decreasing

A. High speed/carbon steel

B. Cast iron

C. Wrought iron

D. Mild steel

A. Retained austenite

B. Martensite formation

C. Relatively high sulphur content in the base metal

D. Sufficient hydrogen present in the welding arc

A. The continuous adjustment of the set point index of an automatic control loop by a primary (master) controller

B. Used when changes in process conditions cause serious upsets in the controlled variable

C. Useful to control flow from temperature

D. All of the above

A. Martensitic

B. Bainitic

C. Carburised

D. Stressed

A. Fine grains

B. Coarse grains

C. Homogeneity

D. Dissolved elements (except cobalt)