Up To Date Latest Fertilizer Technology MCQs – New Chemical Engineering MCQs

Up To Date Latest Fertilizer Technology MCQs – New Chemical Engineering 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

By practicing these MCQs of Fertilizer Technology MCQs – Latest Competitive Chemical Engineering MCQs , an individual for exams performs better than before. This post comprising of mechanical engineering objective questions and answers related to Fertilizer Technology Mcqs “. As wise people believe “Perfect Practice make a Man Perfect”. It is therefore practice these mcqs of Chemical engineering to approach the success. Tab this page to check “Fertilizer Technology Mcqs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others.

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:

Raw materials for nitric acid manufacture are___________________?

A. Anhydrous ammonia and air
B. Hydrogen peroxide, air and water
C. Anhydrous ammonia, air and water
D. Wet ammonia, air and water

Plant tranquillisers___________________?

A. Hold back stem growth and halt plants at a desired height
B. Accelerate ripening of food and grain
C. Cause early maturation of plants
D. Produce seedless fruit

Nitrogen content of urea is about _____________ percent ?

A. 80
B. 46
C. 10
D. 94

With increases in pressure, the conversion of Ammonium carbamate into urea___________________?

A. Increases
B. Remains unaltered
C. Decreases
D. Can either increase or decrease depends on biuret content

Nitric acid is produced on commercial scale in a fertiliser plant by___________________?

A. Oxidation of ammonia
B. Passing air through high voltage electric arc
C. CaNO3 + H2SO4 reaction
D. None of these

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. Very high temperature
B. High pressure
C. Low pressure
D. Atmospheric pressure; as the pressure has no effect on conversion

Chemical Process Mcqs

Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces____________________?

A. Ammonium phosphate
B. Triple superphosphate
C. Superphosphate
D. None of these

-10-5 fertilisers mean that they contain______________?

A. 5, 10, 5% respectively of N2, P2O5 and K2O
B. 5 to 10% filler & carrier of soil conditioners C. Only 5 to 10% active fertiliser constituents
D. None of these

H4P2O7 is the chemical formula of _____________ phosphoric acid?

A. Pyro
B. Meta
C. Ortho
D. None of these

Catalytic ammonia synthesis reaction as in Haber’s process is_________________?

A. Irreversible
B. Exothermic
C. Endothermic
D. None of these

Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?

B. Urea
C. Ammonium sulphate
D. Calcium cyanamide

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is _____________ fertiliser?

A. Potassic
B. Phosphatic
C. Nitrogenous
D. None of these

Triple superphosphate is made by reacting phosphate rock with _____________ acid?

A. Phosphoric
B. Sulphuric
C. Nitric
D. Hydrochloric

____________ catalyst is used in the production of urea from CO2 and NH3?

A. Alumina
B. No
C. Vanadium pentoxide
D. Nickel

Ammonium nitrate is___________________?

A. Not hygroscopic
B. Having about 40% N2
C. Not prone to explosive thermal decomposition
D. Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

Tricresyl phosphate is chemically represented as___________________?

A. (CH3 C6 H4)3 PO4
C. (NH4)2HPO4
D. Ca10(PO4)3F6

Nitrolime is___________________?

A. A mixture of nitric acid and lime
B. Calcium ammonium nitrate
C. Calcium nitrate
D. A mixture of ammonium nitrate and calcium nitrate

Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?

A. Higher pumping cost
B. High cost of the high pressure vessel used for the reactor
C. Comparatively higher pressure drop
D. Chances of entrainment and disturbance of catalyst bed

Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?

A. Exothermic
B. Endothermic
C. Autocatalytic
D. Non-catalytic

Catalyst used in steam reforming of naphtha is__________________?

A. Nickel
B. Silica gel
C. Platinum
D. Rhodium

Color of nitric acid is light yellow due to the presence of__________________?

A. N2H5
B. NO2
D. NH3

Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas ?

A. Naphtha
B. Water
C. Tar
D. Coal/coke oven gas

Conditioners like finely divided peat are added to the fertiliser to________________?

A. Produce bulk
B. Avoid caking & hardening
C. Counteract burning
D. Increase its solubility

Urea is a better fertilizer than ammonium sulphate, because__________________?

A. It is not poisonous
B. Nitrogen content is higher
C. It is cheaper
D. It is easy to manufacture

Electric furnace method for production of phosphorous uses phosphate rock and _________________________?

A. Coke
B. Phosphoric acid
C. Sulphuric acid
D. Silica and coke

Chemical Environmental Engineering Mcqs

An increase in the NH3/CO2 ratio in urea manufacture results in__________________?

A. Increased degree of conversion of CO2 to urea
B. Decreased yield of urea
C. Decreased degree of conversion of NH3 to urea
D. Decreased specific volume of molten mass

Maximum nitrogen percentage is in________________?

A. Calcium ammonium nitrate
B. Ammonium sulphate
C. Urea
D. Liquid ammonia

Fertiliser plants get their N2 requirements _____________________?

A. By fractionation of liquefied air
B. From producer gas
C. From coal gas (coke oven gas)
D. By dissociating oxides of nitrogen

Which of the following is not a measure component necessarily to be present in fertilisers ?

A. Potassium
B. Nitrogen
C. Phosphorous
D. Sulphur

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of ____________ this is normally not done?

A. High corrosion rate
B. Increased biuret formation
C. Increased cost of equipment
D. All A., B. & C.

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about ____________ percent?

A. 60
B. 95
C. 30
D. 100

Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of_________________?

A. Superphosphate
B. Phosphoric acid
C. Phosphorous
D. Triple superphosphate

Lower temperature and large excess of ammonia in urea melt__________________?

A. Is undesirable
B. Decreases biuret formation
C. Increases biuret formation
D. Does not effect biuret formation

Bio-fertilisers are cheaper, renewable and pollution free. They improve the _____________ of the soil?

A. Texture
B. Nutrient supply
C. Water holding capacity
D. All A., B. and C.

Montecatini process is used for the manufacture of____________________?

A. Phosphoric acid
B. Nitric acid
C. Urea
D. Calcium ammonium nitrate (CAN)

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?

A. Carbonate
B. Bicarbonate
C. Phosphate
D. Silicate

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?

A. Steam reforming of naphtha
B. H2 separation from coke oven gas
C. Cracking of natural gas
D. Electrolysis of water

Urea is formed only____________________?

A. In liquid phase
B. At very high temperature
C. In vapour phase
D. At very low pressure (vacuum)

A mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous?

A. And coke
B. Sand & coke
C. Salt & coke
D. And sand

______________ is the most suitable fertiliser for paddy?

A. Superphosphate
B. Ammonium sulphate
C. Urea
D. Potassium nitrate

Phosphorus vapour comprises of ___________________?

A. P2
B. P
C. P3
D. P4

Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?

A. Ammonium phosphate
B. Phosphorous oxychloride
C. Phosphorous pentoxide
D. Calcium phosphate

Commercial production of hydrogen for the manufacture of nitrogenous fertilisers is done by________________?

A. Electrolysis of water
B. Steam reforming of naphtha and cracking of natural gas
C. Cryogenic separation of hydrogen from coke oven gas
D. All A., B. and C.

Low grade phosphate rock can be used in electrical furnace, because__________________?

A. Of the better CaO/SiO2 balance for slag formation
B. It is cheap
C. CaO content is less
D. It produces low cost product

Naphtha in a fertiliser plant is used as a source of___________________?

A. N2
B. H2
C. Fuel
D. O2

Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?

A. Increasing the effectiveness
B. Stabilisation
C. Improving the strength & heat resistance
D. All A, B & C

Phosphatic fertiliser is graded based on its _____________ content?

A. PCl5
B. P2O3
C. P2O5
D. H3PO4

Thermodyanamics Mcqs

Which of the following gasifiers can be attached to coal based fertiliser plants ?

A. Gasifier working at 20 atm
B. Kopper-Totzek gasifier
C. Lurgi (high pressure) gasifier
D. Gasifier working at 40 atm

Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at ____________ °C in absence of air?

A. 1000-1200
B. 250-400
C. 50-80
D. 800-900

Reaction of ______________ acid with phosphate rock produces superphosphates?

A. Nitric
B. Sulphuric
C. Hydrochloric
D. Phosphoric

HPO3 is the chemical formula of ______________ phosphoric acid?

A. Ortho
B. Pyro
C. Meta
D. None of these

(CH3 C6 H4)3 PO4 is the chemical formula of__________________?

A. Fluorapatite
B. Tricresyl phosphate
C. Triple superphosphate
D. Superphosphate

During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about ______________ percent?

A. 68
B. 38
C. 82
D. 98

Ammonia synthesis reaction is______________________?

A. Exothermic
B. Autocatalytic
C. Endothermic
D. None of these

Nitrogenous fertiliser is required__________________?

A. During the early stage of growth to promote development of stem and leaves
B. To lessen the effect of excessive potash application
C. For accelerating fruit formation in later stage of growth
D. None of these

Commercial fertilisers are available mostly in the form of__________________?

A. Lumps
B. Granules
C. Powder
D. Flakes

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. Producer
B. Coke oven
C. Natural
D. Coal

Catalyst used in ammonia synthesis uses ____________ as a promoter?

A. Al2O3
B. K2O
C. Pt
D. Ni

Which is the most suitable fertiliser for paddy ?

A. Ammonium nitrate
B. Ammonium sulphate
D. Superphosphate

Up To Date Latest Fertilizer Technology MCQs – New Chemical Engineering MCQs

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