Latest Chemical Engineering MCQs – Chemical Engineering Basics MCQs

Latest Chemical Engineering MCQs – Chemical Engineering Basics MCQs

This post is comprising of latest ” Chemical Engineering Basics MCQs – Latest Competitive Chemical Engineering MCQs “. Here you’ll get latest mechanical engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding mechanical engineering then read these mcqs of Design of Steel Structures.

Latest Chemical Engineering MCQs

By practicing these MCQs of Chemical Engineering Basics 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 Engineering Basics 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 Engineering Basics 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 Engineering Basics Mcqs

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

_________________ is not a heat treatment process ?

A. Austempering
B. Parkerizing
C. Cyaniding
D. Martempering

The effect of friction on the flow of steam through a nozzle is to decrease the _______________ of steam?

A. Mass flow rate
B. Wetness
C. Both A & B
D. Neither A nor B

Plants produce carbohydrates from the CO2 present in the atmosphere by_________________?

A. Oxidation
B. Photochemical reaction
C. Polymerisation
D. None of these

Often earing defects are found during deep drawing operation, because the __________________?

A. Sheet material has been given substantial spring back
B. Surface finish of the sheet is poor
C. Starting sheet has planer anisotropy due to its texture
D. Starting sheet has normal anisotropy due to its texture

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the _____________ joint ?

A. Welded
B. Lap
C. Butt
D. None of these

Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ___________________?

A. Manganese
B. Nickel
C. Silicon
D. Chromium

Thermit welding is categorised as the ______________________ welding ?

A. Resistance
B. Fusion
C. Forge
D. Arc

Hot & cold working of material causes its _______________ deformation?

A. Visco-elastic
B. Elastic
C. Isotropic
D. Plastic

Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) ?

A. √T
B. 1/√P
C. 1/√ρ
D. √y

A form of stress corrosion failure termed as ‘season cracking’ is generally observed in __________________?

A. High carbon steels
B. Thermosetting polymers
C. Brasses
D. Borosilicate glasses

Unbreakable crockeries are made from ______________ polymers?

A. Melamine
B. Polystyrene
C. Polystyrene
D. Polyurethane

Coarse grained steels have____________________?

A. High density
B. No tendency to distort
C. Low toughness
D. Very high toughness

Production of a hollow product by inflation of a tube or parison is called the _______________ process?

A. Blow moulding
B. Extrusion
C. Calendaring
D. Injection

______________ cannot increase the fatigue strength of a material?

A. Surface hardening
B. Grain coarsening
C. Grain refining
D. Shot peening

Removal of non-condensable from steam or other vapour is termed as the ________________ process?

A. Scavenging
B. Deaeration
C. Condensation
D. Exhaust

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of_________________?

A. Mild steel
B. Stainless steel
C. High speed steel
D. High carbon steel

Fluid Mechanics Mcqs

Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?

A. 0.5 to 0.7
B. 0.2 to 0.4
C. 0.01 to 0.10
D. 0.8 to 1.0

Speed of a submarine in deep sea & that of an aeroplane is measured by a/an___________________?

A. Pitot tube
B. Rotameter
C. Hot wire anemometer
D. Stroboscope

The main charge in blast furnace is usually___________________?

A. Iron ore, coke & air
B. Iron ore & coke
C. Limestone, coke & iron ore
D. Limestone, sand & iron ore

Identify the correct statement with reference to the extractive metallurgy of aluminium ?

A. The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3
B. Anode effect sets in when the cryolite concentration goes below 40%.
C. Sodium is deposited along with aluminium, but is immediately vaporised
D. Approximately 80% of the aluminium deposited on the cathode comes from cryolite

Calorific value of ____________________ are almost same?

A. Lignite & coal gas
B. Lignite & anthracite coal
C. Petrol & diesel
D. Coal gas & natural gas

_______________ is not a case hardening process ?

A. Carburising
B. Cyaniding
C. Nitriding
D. Annealing

The atmospheric temperature during melting of ice/snow (in the atmosphere)_________________?

A. Decreases
B. Remain same
C. Increases
D. May increase or decrease; depends on the altitude where snow melts

Silicon percentage in acid resistant cast iron is about ___________________?

A. 4
B. 14
C. 8
D. 20

Thermal equivalent of electrical power in practical calculation is _______________ kcal/kWh ?

A. 1000
B. 3000
C. 746
D. 550

One of the methods of purification of leach liquor is ion exchange, which involves_________________?

A. Exchange between a gaseous phase and a liquid phase
B. Exchange between two liquid phases
C. Exchange between a liquid phase and an organic resin phase
D. Exchange between a solid phase and a gas phase

The unit of gc is ___________________?

A. lbm/lbf. ft/sec2
B. ft/sec2
C. lbf/lbm. ft/sec2
D. lbm/lbf. sec2/ft

Notched bar test is used for testing the _________________ of a material?

A. Impact strength
B. Machinability
C. Endurance limit
D. Corrosion resistance

A material being tested for endurance strength is subjected to the _______________ load ?

A. Dynamic
B. Completely reversed
C. Impact
D. Static & dynamic

The most abundant metal present in the earth’s crust is__________________?

A. Copper
B. Iron
C. Titanium
D. Aluminium

The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be________________?

A. 1.01 × 105Pa
B. 3567Pa
C. 3171Pa
D. 5000Pa

Cold heading or upsetting is categorised as the ________________ process ?

A. Bending
B. Extrusion
C. Rolling
D. Forging

Which one can be directly solidified from gaseous state without entering into liquid state ?

A. Oxygen
B. Helium
C. Carbon dioxide
D. None of these

Furnace Technology Mcqs

Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?

A. Copper
B. Glass wood
C. Steel
D. Fireclay bricks

Glass reacts with___________________?

C. H2SO3
D. K2Cr2O7

Lead is added to 60:40 brass primarily to improve_________________?

A. Machinability
B. Fluidity
C. Corrosion resistance
D. Strength

A steam pipe is intended to be insulated with two layers of insulating materials of different thermal conductivities. For minimum heat transfer to take place_________________?

A. The better insulation material should be put just next to pipe (i.e., inside)
B. Either of the insulating material could be put on either side
C. The better insulating material should be put outside
D. Steam temperature is considered before deciding as to which insulating material is to be put inside (i.e., just next to the pipe)

A material subjected ________________ must have high resilience?

A. Shock loading
B. Fatigue
C. Vibration
D. Tension

An example of unsteady non uniform flow is the flow of liquid under pressure through a__________________?

A. Long pipeline of constant diameter
B. Tapering pipe at either decreasing or increasing flow rate
C. Tapering pipe at constant flow rate
D. None of these

Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________________ method?

A. Diminishing balance
B. Multiple straight line
C. Sinking fund
D. Sum of the years digit

Gas turbine normally employs a constant _______________ cycle?

A. Pressure
B. Volume
C. Temperature
D. None of these

Surface tension of a liquid_________________?

A. Decreases with rise in temperature
B. Is due to intermolecular forces of cohesion
C. Is responsible for the spherical shape of an isolated liquid drop
D. All A, B. & C

Boiler draught of 10 mm water column is equivalent to_____________________?

A. 10 kgf/mm2
B. 10 kgf/m2
C. 1 kgf/m2
D. 1 kgf/mm2

What is the range of tempering temperature (°C) for most of the materials ?

A. 350-450
B. 200-300
C. 75-100
D. 500-600

Heat transfer by ______________ is almost absent in case of fluidised bed drying operation?

A. Radiation
B. Convection
C. Conduction
D. Both B. & C.

The ‘laughing gas’ is__________________?

A. Nitrous oxide
B. Nitrogen trioxide
C. Nitric oxide
D. Nitrogen pentoxide

Regeneration of molecular sieve requires it to be heated to a temperature of about __________________ °C?

A. 200-300
B. 80-120
C. 600-800
D. 1000-1100

Chemical Heat Transfer Mcqs

____________________ metal is used as a bearing liner material?

A. White
B. Pewter
C. Babbitt
D. Gun

Melting point & boiling points of liquid oxygen are respectively – 218.8°C & – 183°C, while the same for liquid nitrogen is – 210°C & – 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?

A. °K
B. °F
C. °C
D. °R

The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?

A. Can be 5
B. Is always greater than 1
C. Is always less than 1
D. Depends on the choice of the standard state

Brazing filler metal used for joining steel plates_________________?

A. Melts below the melting points of base metals
B. Is copper phosphorous alloy
C. Melts below 300°C
D. Is copper

If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?

A. 25/2
B. 23/2
C. 23
D. 21/3

The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air?

A. Dry bulb
B. Ambient
C. Dew point
D. Wet bulb

Ammonia gas can be dried by___________________?

A. CaCl2
B. Quick lime
C. PCl5
D. Concentrated H2SO4

‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?

A. V
B. 2V
C. V/2
D. 3V

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is__________________?

A. Tensile strength
B. Toughness
C. Creep
D. Fatigue

Out of the following substances, one ton of ______________ will store the maximum heat for a rise of 30°C in temperature ?

A. Lignite
B. Steel
C. Water
D. Lime stone

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is ________________ mm?

A. 10
B. 25
C. 15
D. 30

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?

A. Counter flow with unequal heat capacities
B. Counter flow with equal heat capacities
C. Parallel flow with equal heat capacities
D. Parallel flow with unequal heat capacities

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its________________?

A. Abundant availability
B. Lower cost
C. Resistance to vegetable acids as the tin plate are commercially used in ‘canning’ industry
D. None of these

Steel produced from phosphatic iron is _______________ in nature?

A. Ductile
B. Malleable
C. Brittle
D. Tough

Pick out the wrong statement ?

A. For a helical spring, deflection is proportional to D3 (D = mean coil diameter) or d4 (d = wire diameter)
B. The equivalent stiffness of two springs (of equal stiffness ‘S’) in series is S/2 while in parallel is 2S
C. Crushing load or columns is less than the buckling load
D. Modulus of resilience is proportional to (stress at elastic limit)2

Pick out the wrong statement?

A. Brittle materials are generally tested in tension
B. Brittle fracture is caused by the propagation of pre-existing cracks in the material and involves minimum plastic deformation
C. Fatigue fracture of a material is always brittle in nature and takes place due to the existence of line imperfections
D. Ductile fracture of a stressed material, which exhibits a large plastic deformation is commonly caused by the formation and coalescence of voids in the necked region

Pick out the wrong statement ?

A. Inhalation of arsenic causes cancer
B. Mass is converted into energy in both nuclear fission & fusion reaction
C. Inhalation of mercury vapour is not harmful for human beings
D. Geothermal energy is a non-conventional source of energy

Pick out the wrong statement ?

A. The intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays
B. The X-rays cannot be deflected by electric field unlike cathode rays
C. The quality of X-rays can be controlled by varying the anode-cathode voltage
D. Crystal structure of a material can be studied by an electron microscope

Pick out the correct statement ?

A. Rocket engines cannot work, where there is no atmosphere
B. Jet engine can work, where there is no atmosphere
C. Rocket engines carry oxygen required for the combustion in the form of oxidiser
D. Jet engines also carry oxidiser

Pick out the wrong statement?

A. Processing of thermoplastics is ideally done by compression moulding
B. Processing of thermosetting plastics is ideally done by injection moulding
C. Mass production of seamless pipes are done by electrical resistance welding (ERW)
D. Stretch forming is a process of cold drawing

Latest Chemical Engineering MCQs – Chemical Engineering Basics MCQs

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