Latest Chemical Engineering MCQs – Competitive Fertilizer Technology MCQs
This post is comprising of latest ” Fertilizer Technology MCQs – Latest Competitive Chemical Engineering MCQs “. Here you’ll get latest chemical engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding chemical engineering then read these mcqs of Design of Steel Structures.
Latest Chemical Engineering MCQs
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Latest Fertilizer Technology Mcqs
The most occurred mcqs of Fertilizer Technology in past papers. Past papers of Fertilizer Technology Mcqs. Past papers of Fertilizer Technology Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Fertilizer Technology Mcqs. The Important series of Fertilizer Technology Mcqs are given below:
Potassic fertilisers__________________?
A. Stimulate early growth and accelerate seeding
B. Are useful during early stage of the plant growth
C. Help in development of starches of potatoes and grain
D. None of these
Maximum stability of white phosphorous is at__________________?
A. Atmospheric pressure
B. Very high pressure
C. Room temperature
D. > 600°C
Promoter used in NH3 synthesis catalyst is__________________?
A. SiO3
B. K2O
C. V2O5
D. U2O3
P2O5 content in superphosphate is about _____________ percent?
A. 65-70
B. 15-20
C. 30-35
D. 85-90
Dehydration of ammonium carbamate produces__________________?
A. Urea
B. Ammonia water
C. Biuret
D. None of these
Calcium ammonium nitrate (CAN) is__________________?
A. A straight fertiliser
B. A mixed fertiliser
C. A complex fertiliser
D. Not a fertiliser; it is an explosive
NPK means a ______________ fertiliser?
A. Mixed
B. Liquid
C. Potassic
D. Solid
Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because______________________?
A. It is hygroscopic and explosive in nature
B. It is a liquid at room temperature
C. It is highly acidic in nature
D. Its nitrogen content is very less
Ammonium sulphate can be produced by reacting gypsum with____________________?
A. Nitric acid
B. Ammonium carbonate
C. Ammonia
D. None of these
Out of the following, N2 content is minimum in_____________________?
A. Ammonium nitrate
B. Urea
C. Ammonium sulphate
D. Ammonium chloride
The optimum size of the ammonia plant is ______________ tons/day?
A. 100
B. 10
C. 1000
D. 1000
Phosphoric acid is produced in wet process from phosphate rock and____________________?
A. Dilute H2SO4
B. Concentrated NHO3
C. Concentrated H2SO4
D. Concentrated HCl
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 gets oxidised above 500°C
C. It decomposes ammonia
D. None of these
Rock phosphate constitutes mainly of___________________?
A. Fluorapatite
B. Mono-calcium phosphate
C. Di-calcium phosphate
D. Di-ammonium phosphate
Electric process as compared to wet process (for the manufacture of phosphoric acid) ?
A. Is weak acid process
B. Is used less frequently
C. Produces a valuable by-product called gypsum
D. Can use only high grade phosphate rock
Fertiliser produced during soda ash manufacture by dual process is ammonium______________________?
A. Chloride
B. Nitrate
C. Sulphate
D. None of these
Potassic fertiliser is graded based on its ______________ content?
A. KNO3
B. K2O
C. KCl
D. K2SO4
Dehydration of ammonium carbamate (to produce urea) is a/an _____________ reaction?
A. Catalytic
B. Reversible
C. Exothermic
D. Endothermic
The composition of fresh feed to the high temperature, high pressure urea autoclave is______________________?
A. Liquid ammonia and excess compressed CO2
B. Excess liquid ammonia and compressed CO2 gas
C. Excess liquid ammonia and liquefied CO2
D. Compressed ammonia gas and excess compressed CO2
A fertiliser contains 82% N2. It could be_____________________?
A. Ammonium nitrate
B. Liquid NH3
C. Urea
D. None of these
Catalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?
A. Alumina
B. Iron
C. Vanadium pentoxide
D. Nickel
_____________ is required more for leafy crops?
A. Nitrogen
B. Potassium
C. Phosphorous
D. Carbon
Nitrogen content of calcium ammonium nitrate (CAN) is _____________ percent?
A. 50
B. 25
C. 10
D. 80
Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?
A. Cr2O3
B. Al2O3
C. K2O
D. MnO
Montecatini process is a widely used process for the manufacture of ___________________?
A. Urea
B. Triple superphosphate
C. Calcium ammonium nitrate
D. None of these
NPK fertiliser is a _______________ fertiliser?
A. Nitrogenous
B. Mixed
C. Complex
D. Phosphatic
Red phosphorous is changed into white phosphorous by______________________?
A. Melting under pressure
B. Heating in presence of light
C. Vaporisation followed by condensation
D. None of these
Reaction of nitric acid and sulphuric acid with phosphate rock produces_________________?
A. Nitrophosphate
B. Tricresyl phosphate
C. Diammonium phosphate
D. Tributyl phosphate
Phosphatic fertilisers_________________?
A. Lessen the effect of excessive nitrogen application
B. Accelerate fruit formation in later stages of growth
C. Are useful during early stage of the plant growth
D. None of these
Reaction of ortho-phosphoric acid with soda ash produces______________?
A. Sodium Tributyl phosphate (STPP)
B. Tributyl phosphate
C. Tricresyl phosphate
D. Nitrophosphate