Q. Lower part of hot metal mixer are lined with __________ bricks.

View solution

Q. Pick out the wrong statement.

View solution

Q. Sillimanite is a __________ refractory.

View solution

Q. High refractorinness of refractory bricks means, that it has a

View solution

Q. Conversion of silica mineral to cristobalite is accompanied by reduction in its

View solution

Q. Chrome magnesite is not used in the

View solution

Q. Which of the following bricks has the most close values of RUL and PCE ?

View solution

Q. Silica refractories are not used in

View solution

Q. Refractory materials are never used in the construction of

View solution

Q. Segar cones are used for the determination of __________ of refractories.

View solution

Q. Fireclay bricks are used in the

View solution

Q. Carbon refractories have very high

View solution

Q. Orlan fibre which is used as a wool sub stitute is

View solution

Q. Neoprene is the trade name of

View solution

Q. Trade name of __________ is neoprene.

View solution

Q. SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at

View solution

Q. Dacron is a/an

View solution

Q. The main use of butadiene is

View solution

Q. Mastication of rubber means

View solution

Q. Polymethyl methacrylate (PMMA) is known as

View solution