Competitive Chemical Process MCQs – Most Latest Chemical Engineering MCQs

Competitive Chemical Process MCQs – Most Latest Chemical Engineering MCQs

This post is comprising of latest ” Chemical Process 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 Chemical Process 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 Chemical Process Mcqs “. As wise people believe “Perfect Practice make a Man Perfect”. It is therefore practice these mcqs of mechanical engineering to approach the success. Tab this page to check “Chemical Process 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 Chemical Process Mcqs

The most occurred mcqs of Chemical Process in past papers. Past papers of Chemical Process Mcqs. Past papers of Chemical Process 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 Chemical Process Mcqs. The Important series of Chemical Process Mcqs are given below:

Calcination of gypsum produces__________________?

A. Plaster of Paris
B. Nitre cake
C. Salt cake
D. Lime

Styrene is produced from ethyl benzene by the process of__________________?

A. Dehydrogenation
B. Alkylation
C. Oxidation
D. Dehydration

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about ____________________ percent?

A. 90
B. 80
C. 98
D. 100

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at __________________?

A. 100 atm & 500°C
B. 5 atm & 275°C
C. 1 atm & 100°C
D. 50 atm & 1000°C

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the__________________?

A. Dibasic acid and the ring
B. Diamine and the ring
C. Diamine and the dibasic acid
D. None of these

Alum is commercially produced from___________________?

A. Feldspar
B. Gypsum
C. Galena
D. Bauxite

The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by_________________?

A. Electrolytic oxidation
B. Electrolytic reduction
C. Electrolysis
D. None of these

A ‘unit process’ is exemplified by the___________________?

A. Absorption
B. Hydrogenation of oils
C. Distillation
D. Humidification

Sodium carbonate (soda ash) is not used in the manufacture of___________________?

A. Sugar
B. Fire extinguishers
C. Baking powder
D. Detergents

Chemical name of ‘alum’ is__________________?

A. Aluminium chloride
B. Aluminium sulphate
C. Barium sulphate
D. Calcium sulphate

The ideal pulp for the manufacture of paper should have high ____________________ content?

A. Cellulose
B. Lignin
C. Both of the above
D. None of the above

Polythene is a/an ______________ polymerisation product?

A. Addition
B. Thermosetting
C. Condensation
D. None of these

________________ is the major constituent of the Portland cement?

A. Calcium oxide
B. Calcium carbonate
C. Tricalcium silicate
D. Calcium sulphate

Aryl benzene sulphonate (ABS) is a____________________?

A. Detergent
B. Starting material for the synthesis of glycerine
C. Plasticiser for unsaturated polyester
D. Coating ingredient for photographic film

The major constituents of glass are____________________?

A. Silica, alumina and clay
B. Sand, lime and soda ash
C. Lime, clay and soda ash
D. Silica, alumina and soda ash

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the_______________?

A. Synthesis of oleum
B. Car battery solution
C. Fertiliser manufacture
D. Water treatment

Production of alcohol by fermentation of molasses is a/an _____________ process?

A. Endothermic
B. Aerobic
C. Anaerobic
D. Both B. and C.

Which of the following is not a food additive ?

A. Invertage
B. Citric acid
C. Benzoyl peroxide
D. Ammonium chloride

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to__________________?

A. Reduce the cooling water circulation rate
B. Avoid corrosion
C. Increase the rate of absorption
D. None of these

Which form of sulphur is the most stable at room temperature ?

A. Monoclinic
B. Plastic
C. Rhombic
D. Flowers of sulphur

Glycerine is not used in the____________________?

A. Manufacture of pharmaceuticals
B. Conditioning and humidification of tobacco
C. Manufacture of explosive
D. None of these

Fertilizer Technology Mcqs

High acid value of an oil or fat is an indication of ____________________?

A. Storage under improper conditions
B. Its smaller molecular weight
C. Absence of unsaturation
D. None of these

Brackish water which contains mostly dissolved salt, can be purified by the __________________ process?

A. Reverse osmosis
B. Lime soda
C. Sand filter
D. Permutit

Dacron is a/an _________________?

A. Polyester
B. Polyamide
C. Unsaturated polyester
D. Inorganic polymer

Litharge is________________?

A. Lead oxide
B. Zinc sulphide
C. Zinc oxide
D. Cellulosic photographic material

Comparing sulphate process with sulphite process, we find that ______________ in the later ?

A. Temperature is more in the former whereas pressure is more
B. Both temperature & pressure in the former is more than that
C. Both temperature & pressure in the former is less than that
D. Pressure is more in the former whereas temperature is less

Coal tar is used as a___________________?

A. Fuel in rotary kiln
B. Binding material for coal briquettes
C. Binder in making carbon electrodes
D. All A , B. and C.

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide________________?

A. Increases linearly
B. Increases
C. Decreases
D. Decreases linearly

Trinitrotoluene (TNT), an explosive, is made by the nitration of ____________________?

A. Nitrotoluene
B. Toluene
C. Nitrobenzene
D. Benzene

_____________ is used as a catalyst in fat splitting ?

A. ZnO
B. V2O5
C. Ni
D. FeO

In the production of soda ash by Solvay process, the by-product is____________________?

A. CaCl2
B. NH3
C. NH4Cl
D. NaOH

Acetone is produced by catalytic dehydrogenation of_________________?

A. Naphthalene
B. Phenol
C. Isopropanol
D. Ethyl benzene

______________ is produced using molasses as the starting raw material ?

A. Benzol
B. Ethyl alcohol
C. Methyl alcohol
D. Dimethyl ether

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln ?

A. 750°C
B. 500°C
C. 1000°C
D. 1500°C

Vulcanisation of rubber____________________?

A. Increases its ozone & oxygen reactivity
B. Decreases its tensile strength
C. Increases its oil & solvent resistance
D. Converts its plasticity into elasticity

Hydrazine is largely used____________________?

A. In photographic industry
B. As a starting material for ‘hypo’
C. As rocket fuel
D. In printing industry

Chemical Process Mcqs

Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction__________________?

A. Increases considerably with the rise of temperature
B. Increases with the increasing flake size keeping the flake thickness constant
C. Decreases with decrease of thickness of the flakes
D. Decreases as the moisture content of flakes increases

Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?

A. Metallic
B. Soft
C. Hard
D. Lubricating

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement ?

A. Stearic acid
B. Xanthates
C. Calcium & aluminium stearate
D. Formic acid

The product obtained on mixing calcium oxide with water is called __________________?

A. Milk of lime
B. Slaked lime
C. Quicklime
D. None of these

Zeolite used in water softening process (cation exchange) is regenerated by washing with___________________?

A. Brine
B. Sodium bisulphite
C. Chloramines
D. Liquid chlorines

The purpose of adding Na2CO3 to water of low alkalinity is to__________________?

A. Permit the use of alum as a coagulant
B. Facilitate easy regeneration of zeolite
C. Increase the softening capacity of zeolite
D. All A , B. and C.

Main constituents of Portland cement are calcium aluminate and__________________?

A. Sodium silicate
B. Silicates
C. Gypsum
D. Carbonates

Glauber’s salt is chemically represented by____________________?

A. Na2SO4.10H2O
B. CaSO4.H2O
C. CaCl(OCl)
D. (NH4)2SO4

Which of the following is used as a binding material in soap to improve soap texture ?

A. Benzyl acetate
B. Borax
C. Rosin
D. Sodium carbonate

Heating of _______________ to 120°C, produces plaster of paris ?

A. Calcium silicate
B. Gypsum
C. Blue vitriol
D. Calcium sulphate

Bromine content in sea water may be around _________________ ppm?

A. 70
B. 1875
C. 640
D. 2500

Margarine is a/an____________________?

A. Fat
B. Explosive
C. Plasticiser Explosive
D. Rocket propellant

Cumene is the starting material for the production of________________?

A. Isoprene
B. Phenol and acetone
C. Benzoic acid
D. Styrene

Liquefaction of gases cannot be done by___________________?

A. Adiabatic expansion against a piston or in a turbine
B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
C. Merely compressing it beyond critical pressure
D. Exchange of heat with colder stream

Alcohol percentage in molasses may be around _____________________?

A. 70
B. 40
C. 10
D. 85

Adipic acid is an intermediate in the manufacture of________________?

A. Polystyrene
B. Nylon-66
C. Perspex
D. Bakelite

The process used for the manufacture of ethyl alcohol from molasses is_________________?

A. Dehydration
B. Distillation
C. Dehydrogenation
D. None of these

Presence of sodium tripolyphosphate (an additive) in synthetic detergent___________________?

A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
B. Does not allow redeposition of dirt on the cleaned surface
C. Inhibits its corrosive effects
D. None of these

Ultimate analysis of coal determines its _______________________ content?

A. Carbon, ash, sulphur & nitrogen
B. Carbon, hydrogen, nitrogen & sulphur
C. Carbon, sulphur, volatile matter & ash
D. Carbon, volatile matter, ash & moisture

Poly Tetrafluoroethylene (P.T.F.E.) is known as___________________?

A. Celluloid
B. Teflon
C. Bakelite
D. Dacron

Fuels And Combustion Mcqs

Average sulphur content in Indian pyrites is about _________________ percent?

A. 55
B. 35
C. 15
D. 70

Triple superphosphate is manufactured by reacting ____________________?

A. Phosphate rock with phosphoric acid
B. Phosphate rock with nitric acid
C. Phosphate rock with sulphuric acid
D. Ammonium phosphate with phosphoric acid

Gun powder uses_____________________?

A. Charcoal
B. Sulphur
C. Potassium nitrate
D. All A , B, & C.

In industrial nomenclature, alcohol means_________________?

A. Propyl alcohol
B. Butyl alcohol
C. Ethanol
D. Methyl alcohol

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as_______________________?

A. It decomposes on further increasing the temperature
B. Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)
C. It is very corrosive at elevated temperature
D. None of these

Phenol formaldehyde resin is used as an adhesive in making__________________?

A. Laminates
B. Furniture
C. Card boxes
D. Books

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about ___________________?

A. 0.1 to 0.5
B. 5 to 10
C. 1 to 5
D. 15 to 25

Phthalic anhydride is produced by the oxidation of _________________?

A. Toluene
B. Benzene
C. Naphthalene
D. Aniline

Chemical name of Grignard reagent is__________________?

A. Sodium sulphite
B. Ethyl magnesium chloride
C. Sodium thiosulphate
D. Sodium bicarbonate

Systemic insecticides________________?

A. Are absorbed throughout the plant
B. Kill insects following external bodily contact
C. Emit poisonous vapour
D. Are stomach poisons

Most commonly used rubber vulcanising agent is___________________?

A. Sulphur
B. Platinum
C. Bromine
D. Alumina

Yeast is used in the manufacture of ____________________?

A. Antibiotics
B. Penicillin
C. Wine
D. Pasteurised milk

Carbon content of pitch (residue of coal tar distillation) is around ________________ percent?

A. 55
B. 70
C. 80
D. 94

Soaps remove dirt by ____________________?

A. Decreasing wettability
B. Increasing the surface tension
C. Supplying hydrophilic group
D. None of these

Competitive Chemical Process MCQs – Most Latest Chemical Engineering MCQs

Leave a Reply

error:
%d bloggers like this: