Refractory bricks having high thermal conductivity is desirable, when it is to be used in the
L.D. converter
Blast furnace
Rotary kiln
Recuperator
- Rotary kiln is not involved in the production of
- Chemical formula of 'salt cake' is
- Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers…
- Sea weeds are an important source of
- Which of the following is an yellow pigment?
- Kopper-Totzek coal gasifier
- Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
- Starting material for the production of styrene butadiene rubber (SBR) is
- Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified…
- Pure rectified spirit contains about __________ percent alcohol.
- Phenol formaldehyde resin is used as an adhesive in making
- 99.5% purity oxygen is used in
- __________ is produced by the dehydrogenation of ethyl benzene.
- Solvay process as compared to dual process(i.e. modified Solvay process).
- Pick out the wrong statement. Iodine value of an oil or fat is
- Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
- __________ of quicklime produces slaked lime.
- How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical…
- CaSO4 . ½H2O is known as
- Good quality of edible salt is obtained from brine by the process of
- Molecular weights of polymers are in the range of
- __________ are added in lacquers to remove film brittleness and to improve adhereness.
- Shaving soaps are
- Plasticisers are added to synthetic plastics to
- Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result…
- Which of the following is used as a coagulant in treating turbid water?
- Lurgi coal gasifier is a pressurised __________ bed reactor.
- Molasses is the starting material for the production of
- Maleic anhydride is produced by catalytic oxidation of
- Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.