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.Management Sciences
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
Related Mcqs:
- 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...
- A mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous?
- A. Salt & coke B. Sand & coke C. And coke D. And sand...
- Iron is not used alone as a catalyst in ammonia synthesis, because___________________?
- A. Its activity declines rapidly, if heated to above 520°C B. It decomposes ammonia C. It gets oxidised above 500°C D. None of these...
- Pick out the correct statement?
- A. Reaction of NH3 with HNO3 to produce (NH4)2NO3 is endothermic B. With increase in NH3/CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate C. Biuret (an intermediate during urea manufacture) is toxic to seeds and animals D. Both B. and C....
- Low grade coal is ______________ to produce ammonia synthesis gas?
- A. Hydrogenated B. Liquefied C. Gasified D. Dehydrogenated...
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