Building Materials - Engineering

Q1:

The commonly used drying oil for oil paints, is

A olive oil

B linseed oil

C kerosine oil

D accetate of lead.

ANS:D - accetate of lead.

Litharge, lead acitate, manganese di- oxide, cobalt and red lead is used as drier.

Turpine oil, petroleum sprit, neptha benzene is used as solvent or thinner.

Linseed oil is used as vehicle or Carrier.

Barium sulphate, silica, mangnasium silicate, alumina, gypsum, coal are used as extender or filler.

Zinc lead, red lead, iron oxide, zinc oxide, titanium di oxide is used as base.