Chemical Engineering MCQs

6108 MCQs  (Page 452 of 611)

Which of the following is produced by condensation polymerisation ?
A. Bakelite
B. Polythene
C. Poly vinyl chloride
D. Polystyrene
A measure of toughness of a material is its________________?
A. Percentage elongation
B. Yield strength
C. Ultimate strength
D. Area under stress-strain diagram
Presence of manganese in alloy steel improves its___________________?
A. Corrosion resistance
B. Cutting ability
C. Abrasion resistance & toughness
D. Elasticity & creep resistance
Which of the following undergoes granular fracture ?
A. Wrought iron
B. Steel
C. Cast iron
D. None of these