Related Questions

A tea merchant blends 2 kinds of tea, putting in 3 parts of a Tk. 25 per kg grade to 1 part of a Tk. 15 per kg. If the mixture is changed to 1 part of the Tk. 25 per kg grade to 3 parts of the less expensive grade, how much will the shop lose or save in blending 200 kg?
A lose Tk. 500
B loss Tk. 1,000
C save Tk. 1,500
D save Tk. 1,000
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
Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
A 1000
B 4000
C 6000
D 8000
Ammonia synthesis gas is produced from fuel oil by
A Steam reforming
B Hydrocracking
C Partial oxidation
D Hydrogenation
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
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
A N2 & H2
B CO2 & H2
C CO & H2
D C & H2
Catalyst used in ammonia synthesis uses __________ as a promoter.
A Pt
B K2O
C Al2O3
D Ni
In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.
A Fauser-Monte Catini
B Claude
C Udhe
D Kellog
A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.
A Coke oven
B Producer
C Natural
D Coal

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