In the blast furnace, incorporation of water vapour in the blast gives the following effect.

Question

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

A. Increases the reducing potential of the gas

B. Increases the flame temperature

C. No significant change occurs

D. Increases the hydrogen content in the metal

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Steel produced from phosphatic iron is __________ in nature.

A. Malleable

B. Ductile

C. Brittle

D. Tough

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Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

Discuss this answer

Which of the following contributes maximum as main source of sulphur in the blast furnace charge?

A. Sinter

B. Coke

C. Iron ore

D. Limestone

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Which of the following metals reacts violently with water?

A. Mercury

B. Sodium

C. Calcium

D. Magnesium

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Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

A.

B.

C.

D.

Discuss this answer

__________ stress cannot be sustained by a fluid in equilibrium.

A. Shear

B. Tensile

C. Compressive

D. None of these

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'Ice point' is designated on Fahrenheit temperature scale by

A. 0°

B. 32°

C. 62°

D. 212°

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The value of for air & most common gases can be safely assumed to be

A. 0.8

B. 1

C. 1.4

D. 1.8

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Resilience of a bolt can be increased by increasing its

A. Length

B. Shank diameter

C. Head diameter

D. None of these

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Main constituent of bone ash is

A. Ammonium phosphate

B. Calcium phosphate

C. Animal charcoal

D. Ammonium sulphate

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Wrought iron is never shaped by

A. Casting

B. Cold working

C. Forging

D. Welding

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Vernier calipers cannot be used to measure the

A. I.D. & O.D. of the shaft

B. Thickness of parts

C. Depth of holes

D. Clearance between two mating surfaces

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Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

A. Elaiden test

B. Reichert-Meissl value test

C. Hunter value test

D. Iodine value test

Discuss this answer

The most abundant metal present in the earth's crust is;

A. Iron

B. Copper

C. Titanium

D. Aluminium

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Which of the, following is not associated with the functioning of a petrol engine?

A. Compression ignition system

B. Spark plug

C. Carburettor

D. Otto cycle

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Age hardening is connected with

A. Babbitt metal

B. Gun metal

C. Stainless steel

D. Duralumin

Discuss this answer

Brinell Hardness Number (BHN) for talc is approximately in the range of

A. 1-5

B. 20-30

C. 100-150

D. 200-250

Discuss this answer

Yield strength of a material is determined by the __________ test.

A. Creep

B. Tension

C. Compression

D. Endurance

Discuss this answer

Addition of __________ to steel does not impart hardness.

A. Nickel

B. Copper

C. Chromium

D. Silicon

Discuss this answer

Dislocations are __________ defects.

A. Point

B. Line

C. Volume

D. None of these

Discuss this answer

The dimensional formula of bulk modulus of elasticity is same as that of the

A. Pressure

B. Density

C. Force

D. None of these

Discuss this answer

Which of the following hardness tests does not measure the indentation hardness of metals and alloys?

A. Vickers hardness test

B. Shore scleroscope test

C. Brinell hardness test

D. Rockwell hardness test

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The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

A. Air

B. Water

C. Mercury

D. Alcohol

Discuss this answer

Spark plug is provided in a/an

A. Engine having carburettor

B. Diesel engine

C. Compression ignition engine

D. Both (B) & (C)

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Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

A. Annealing

B. Toughening

C. Work hardening

D. Tempering

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Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

A. Conduction

B. Convection

C. Radiation

D. Both 'a' & 'b'

Discuss this answer

Which of the following is not a charge material for cupola?

A. Limestone

B. Iron scrap

C. Iron ore

D. Pig iron

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In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

A. Compared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller

B. Maintaining vacuum on tube side is more difficult than that on the shell side

C. Water velocity can be increased conveniently to increase the overall heat transfer co-efficient because of its lower specific volume compared to steam

D. Condenser can act as a storage unit for condensed steam

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

A. 3171P_a

B. 3567P_a

C. 1.01 × 10⁵P_a

D. 5000P_a

Discuss this answer

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

A. 70 & 30

B. 30 & 70

C. 50 & 50

D. 90 & 10

Discuss this answer

Accepted Answer

A. Increases the reducing potential of the gas

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Steel produced from phosphatic iron is __________ in nature.

Transformer cores are normally made from

Which of the following contributes maximum as main source of sulphur in the blast furnace charge?

Which of the following metals reacts violently with water?

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

__________ stress cannot be sustained by a fluid in equilibrium.

'Ice point' is designated on Fahrenheit temperature scale by

The value of for air & most common gases can be safely assumed to be

Resilience of a bolt can be increased by increasing its

Main constituent of bone ash is

Wrought iron is never shaped by

Vernier calipers cannot be used to measure the

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

The most abundant metal present in the earth's crust is;

Which of the, following is not associated with the functioning of a petrol engine?

Age hardening is connected with

Brinell Hardness Number (BHN) for talc is approximately in the range of

Yield strength of a material is determined by the __________ test.

Addition of __________ to steel does not impart hardness.

Dislocations are __________ defects.

The dimensional formula of bulk modulus of elasticity is same as that of the

Which of the following hardness tests does not measure the indentation hardness of metals and alloys?

The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

Spark plug is provided in a/an

Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

Which of the following is not a charge material for cupola?

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

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

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

Also checkout

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Steel produced from phosphatic iron is __________ in nature.

Transformer cores are normally made from

Which of the following contributes maximum as main source of sulphur in the blast furnace charge?

Which of the following metals reacts violently with water?

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

__________ stress cannot be sustained by a fluid in equilibrium.

'Ice point' is designated on Fahrenheit temperature scale by

The value of for air & most common gases can be safely assumed to be

Resilience of a bolt can be increased by increasing its

Main constituent of bone ash is

Wrought iron is never shaped by

Vernier calipers cannot be used to measure the

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

The most abundant metal present in the earth's crust is;

Which of the, following is not associated with the functioning of a petrol engine?

Age hardening is connected with

Brinell Hardness Number (BHN) for talc is approximately in the range of

Yield strength of a material is determined by the __________ test.

Addition of __________ to steel does not impart hardness.

Dislocations are __________ defects.

The dimensional formula of bulk modulus of elasticity is same as that of the

Which of the following hardness tests does not measure the indentation hardness of metals and alloys?

The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

Spark plug is provided in a/an

Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

Which of the following is not a charge material for cupola?

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

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

Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively.

Also checkout

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