Related Questions

Which of the following polymers shows the highest anti-tacking properties?
A Melamine formaldehyde resin
B Phenolic resin
C Epoxy resin
D Alkyd resin
__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.
A Epoxy
B Amino
C Alkyd
D Phenolic
Bakelite (phenol-formaldehyde) resin can not be used as
A Decorative paint
B Decorative laminates
C Electrical insulation
D Glass reinforced plastics
Phenol formaldehyde resin is used as an adhesive in making
A Laminates
B Card boxes
C Furniture
D Books
Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.
A Resorcinol
B Phenol
C Para-cresol
D Melamine
Which of the following polymers belong to the class of formaldehyde resin?
A Melamine resins
B Teflon
C Dacron
D None of these
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than
A 500 mm
B 600 mm
C 1000 mm
D 300 mm
Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used
A For surface coating of automobiles & air crafts
B For fibre making
C As plasticiser for PVC & nitrocellulose
D For film forming materials
'Melamine' was originated from-
A German language
B Japanese
C Sanskrit
D English
People who secretly indulge in anti-national or anti-government activities and help the enemy are called
A Second column
B Third column
C Fourth column
D Fifth column

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