Polymer Technology - Practice Test

(A) Remain hard as long as they are hot

(B) Can not be reclaimed from waste

(C) Permanent setting resins

(D) Less brittle than thermosetting resins

(D) Less brittle than thermosetting resins

(A) Are cross-linked molecules

(B) Soften on application of heat

(C) Are solvent soluble

(D) None of these

(A) Are cross-linked molecules

(A) Do not soften on application of heat

(B) Are heavily branched molecules

(C) Are solvent insoluble

(D) None of these

(D) None of these

(A) Polysulphide rubber

(B) Polyamide fibre

(C) Engineering plastic

(D) Exponded polystyrene

(A) Polysulphide rubber

(A) Chain length

(B) Intermolecular forces

(C) Branching & cross-linking

(D) All of the above

(D) All of the above

Polymer Technology - Study Mode