A. H2
B. O2
C. CO2
D. N2
Related Mcqs:
- Ammonia synthesis gas is produced from natural gas by___________________?
A. Thermal cracking
B. Steam reforming
C. Partial oxidation
D. Hydrogenation - Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?
A. Autocatalytic
B. Endothermic
C. Exothermic
D. Non-catalytic - Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas ?
A. Water
B. Naphtha
C. Tar
D. Coal/coke oven gas - Ammonia synthesis gas is produced from fuel oil by _________________?
A. Steam reforming
B. Hydro-cracking
C. Partial oxidation
D. Hydrogenation - Low grade coal is ______________ to produce ammonia synthesis gas?
A. Hydrogenated
B. Liquefied
C. Gasified
D. Dehydrogenated - Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?
A. Comparatively higher pressure drop
B. High cost of the high pressure vessel used for the reactor
C. Higher pumping cost
D. Chances of entrainment and disturbance of catalyst bed - Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?
A. H2 separation from coke oven gas
B. Steam reforming of naphtha
C. Cracking of natural gas
D. Electrolysis of water - Promoter used in NH3 synthesis catalyst is__________________?
A. K2O
B. SiO3
C. V2O5
D. U2O3 - Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature___________________?
A. Rate of reaction is very low
B. Very high pressure is required resulting in costly pressure vessel
C. Space velocity of gas is very low resulting in decreased conversion
D. None of these - In _____________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed?
A. Fauser-Montecatini
B. Claude
C. Uhde
D. Kellogg
