Question: Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
[A].5
20
50
65
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Fertiliser Technology
In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at
Question: In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at
[A].low pressure.
high pressure.
very high temperature.
atmospheric pressure; as the pressure has no effect on conversion.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Fauser Monte Catini converter is used for
Question: Fauser Monte Catini converter is used for
[A].ammonia synthesis (e.g. at FCI Sindri).
methanation of CO and CO2.
shift conversion (i.e. CO to CO2).
none of these.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in
Question: CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in
[A].mono-ethanolamine (MEA)
slaked lime
ammoniacal liquor
Methyl-Ethyl Ketone (MEK)
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at
Question: Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at
[A].Rourkela (under SAIL)
Barauni (under HFC)
Nangal (under NFL)
Talchar (under FCI)
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
During conversion of ammonium carbamate into urea, presence of large excess of water
Question: During conversion of ammonium carbamate into urea, presence of large excess of water
[A].increases the yield of urea.
adversely affects the yield of urea.
reduces the evaporator load by diluting the urea solution.
does not affect the yield of urea.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Biuret formation in urea is kept at minimum (< 1 %), because it is
Question: Biuret formation in urea is kept at minimum (< 1 %), because it is
[A].corrosive in nature.
toxic and harmful to some crops.
helpful in decomposition of urea.
explosive in nature.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
An increase in the NH3/CO2 ratio in urea manufacture results in
Question: An increase in the NH3/CO2 ratio in urea manufacture results in
[A].increased degree of conversion of CO2 to urea.
decreased degree of conversion of NH3 to urea.
decreased yield of urea.
decreased specific volume of molten mass.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
With increases in pressure, the conversion of ammonium carbamate into urea
Question: With increases in pressure, the conversion of ammonium carbamate into urea
[A].increases
decreases
remains unaltered
can either increase or decrease depends on biuret content
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Lower temperature and large excess of ammonia in urea melt
Question: Lower temperature and large excess of ammonia in urea melt
[A].increases biuret formation
decreases biuret formation
is undersirable
does not effect biuret formation
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.