Chemical Engineering - Chemical Process

16.
Refractory bricks having high thermal conductivity is desirable, when it is to be used in the
L.D. converter
blast furnace
rotary kiln
recuperator
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
SO3
Cl2
NH3
SO2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
Plasticisers are added to paints to
make it corrosion resistant.
make glossy surface.
give elasticity & prevent cracking of the film.
increase atmospheric oxidation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Resistance to fusion of the refractory under a steady rising temperature condition is called
spalling
refractoriness
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
Portland cement consists mainly of
CaO & SiO2
SiO2 & Al2O3
CaO & Al2O3
CaO & Fe2O3
Answer: Option
Explanation:
No answer description is available. Let's discuss.