A. Can be repeatedly melted
B. Is useful for melt casting
C. Cannot be melted after forming
D. Is useful for spinning
Related Mcqs:
- ______________ is a thermosetting plastic?
A. Polyvinyl chloride
B. Polythene
C. Bakelite
D. Teflon - ____________________ is a thermosetting plastic ?
A. Polythene
B. Epoxy polymer
C. P.V.C.
D. Polystyrene - Thermosetting materials ______________________?
A. Are cross-linked molecules
B. Soften on application of heat
C. Are solvent soluble
D. None of these - ______________________ of quicklime produces slaked lime ?
A. Hydration
B. Dehydration
C. Hydrogenation
D. None of these - Nylon-6 as compared to Nylon-66 is having higher___________________?
A. Hardness
B. Abrasion/resistance
C. Melting point
D. None of these - Percentage of glycerine present in the spent lye obtained during soap manufacture is about________________?
A. 0.5
B. 5
C. 20
D. 35 - Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
A. Recovery of product will be difficult
B. Contamination of pure culture would result
C. Uniformity of product cannot be achieved
D. None of these - Frasch process is for______________________?
A. Making oxygen
B. Producing helium
C. Mining sulphur
D. Making nitrogen - Which of the following is not an antibiotic ?
A. Penicillin
B. Streptomycin
C. Tetracycline
D. Quinine - Chalcopyrite is the main ore of_________________?
A. Copper
B. Lead
C. Tin
D. Iron
