Saponification value/number of an oil or fat is a measure of its ___________________?
(A) Fatty acid content
(B) Degree of unsaturation of the fatty acids present in it
(C) Average molecular weight
(D) Insoluble fatty acid content
Conversion of CO to CO2 by steam in presence of a catalyst is called__________________?
(A) Steam reforming
(B) Shift conversion
(C) Steam gasification
(D) None of these
L.D. converter is used in the production of_________________?
(A) Pig iron
(B) Steel
(C) Copper
(D) Zinc
Which of the following is not a raw material used for the manufacture of ordinary glass ?
(A) Iron oxide
(B) Soda ash
(C) Limestone
(D) Silica
Producer gas consists mainly of________________________?
(A) CO, CO2 N2, H2
(B) CO, H2
(C) H2, CH4
(D) C2H2, CO2, H2
Impurities present in brine is normally removed by treatment with ?
(A) NH3 and CO2
(B) Lime and soda ash
(C) Lime, ammonia and carbon
(D) All A ,
In the Lurgi coal gasifier_________________?
(A) Coking coals cannot be used
(B) Low carbon conversion efficiency is achieved
(C) Entrainment of solids is higher
(D) Large quantity of coal can be processed
Cement mainly contains_________________?
(A) CaO, SiO2, Al2O3
(B) MgO, SiO2, K2O
(C) Al2O3, MgO, Fe2O3
(D) CaO, MgO, K2O