Chemical Engineering MCQs

A. Surgical instruments
B. Powerful magnets
C. Chemical equipments
D. Boiler tubes

A. Mica flakes
B. Glass
C. Rubber
D. None of these

A. Quartz
B. Gypsum
C. Feldspar
D. Fluorite

A. Copper
B. Magnesium
C. Both a. & b.
D. Neither a. nor b.

A. Cracks and blow holes are eliminated
B. Ductility and impact strength improves
C. Appreciable strain hardening is produced
D. Yield stress, hardness and fatigue strength is not at all affected

A. High alumina ceramic
B. Metallic carbides
C. Corundum
D. Carborundum

A. Orthorhombic
B. Cubic
C. Hexagonal
D. None of these

A. Especially resistant to solutions containing h2so4
B. Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
C. Having very low elastic limit resulting in permanent deformation from either mechanical or
TheRmal strain

A. Proximity between its elastic limit and ultimate breaking strength
B. Ductility
C. Tensile strength
D. All a., b. and c.

A. Ultimate tensile strength (u.t.s.)
B. Endurance limit
C. Elastic limit
D. None of these