higher melting point.
higher tensile strength.
lower density.
none of these.
✅ The correct answer is option C.
Chemical Engineering MCQs
The conversion of caprolactum in the above case is about __________ percent.
25
50
70
90
✅ The correct answer is option D.
Low density polythene as compared to high density polythene is
harder
tougher
chemically inert
more flexible
✅ The correct answer is option D.
At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be
A. More
B. Less
C. Same
D. More or less ; depending on the system
✅ The correct answer is option C.
Lavatory cisterns are normally made of
expanded polystyrene
saturated polyester
perspex
PVC
✅ The correct answer is option A.
In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher
densities
melting point
tensile strength
hardness, rigidity & brittleness
✅ The correct answer is option D.
__________ is normally used for the manufacture of refrigerator components and transistor parts.
Polyproylene
Polystyrene
Polyester
Polyurathene
✅ The correct answer is option B.
A system is said to be isopiestic, if there is no __________ change.
A. Temperature
B. Pressure
C. Volume
D. None of these
✅ The correct answer is option B.
A copolymer of vinyl and vinylidine chloride is called
treylene
orlon
saran
dacron
✅ The correct answer is option C.
Poly Vinyl chloride (PVC) is a __________ material.
thermoplastic
thermosetting
fibrous
chemically active
✅ The correct answer is option A.