Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

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Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

A. Lumps

B. Pellets

C. Briquettes

D. Sinter

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Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

A. Preloaded spring

B. Piezoelectric

C. Bonded strain gauge

D. None of these

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When an isolated thermodynamic system executes a process,

A. Work is done

B. Heat transfer takes place

C. Mass flow occurs across the boundary of the system

D. No chemical reaction takes place within the system

Discuss this answer

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

A. Less

B. More

C. Equal

D. Unpredictable

Discuss this answer

Tempering of a material does not improve its

A. Machinability

B. Toughness

C. Internal stress level

D. Softness

Discuss this answer

The elastic strain in copper is due to the

A. Motion of dislocations

B. Stretching of atomic bonds

C. Breakage of atomic bonds

D. None of the above

Discuss this answer

Steel & cast iron pipes are produced by __________ casting.

A. Slush

B. Die

C. Investment

D. True centrifugal

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Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than

A. 5

B. 10

C. 20

D. 35

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With increase in temperature, the surface tension of water

A. Increases

B. Decreases

C. Remain constant

D. Increases linearly

Discuss this answer

Water flow in the river during flood can be categorised as the __________ flow.

A. Unsteady uniform

B. Unsteady non-uniform

C. Steady uniform

D. Steady non-uniform

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Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

A. 5-10

B. 1000-1500

C. 120-500

D. 1500-3000

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Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.

A. 2

B. 3

C. 0.8

D. 6

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Aluminium is extracted from

A. Chalcocite

B. Bauxite

C. Galena

D. None of these

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Super conduction in metals is observed at a temperature of __________ °K.

A. <100

B. >100

C. About 273

D. About 373

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Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

A. A, C, B, D

B. D, B, C, A

C. D, C, B, A

D. D, A, B, C

Discuss this answer

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

A. Lead

B. Copper

C. Aluminium

D. Wrought iron

Discuss this answer

About __________ ton of coke is required in a cupola to produce one ton of casting.

A. 0.03

B. 0.3

C. 0.8

D. 1.5

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On being hit with a hammer, __________ will readily fracture.

A. Brass

B. Mild steel

C. Cast iron

D. Lead

Discuss this answer

An oxidation process is accompanied with decrease in the

A. Number of electrons

B. Oxidation number

C. Number of ions

D. All (A), (B) & (C)

Discuss this answer

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

A.

B.

C.

D.

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The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

A. Casting

B. Pattern

C. Draft

D. Distortion

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Desalination of water

A. Makes it potable

B. Makes it non-potable

C. Means distillation of water

D. None of these

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Which of the following is prone to cup and cone fracture?

A. Cast iron

B. Soft brass

C. Round specimen of ductile metal

D. Flat tensile specimen of ductile metal

Discuss this answer

Enzymes belong to the category of

A. Proteins

B. Carbohydrates

C. Vitamins

D. Fats

Discuss this answer

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

A. Silicon carbide

B. Corundum

C. Aluminium oxide

D. Boron carbide

Discuss this answer

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

A. Forging

B. Cold rolling

C. Hot rolling

D. Casting

Discuss this answer

In the Bayer's process, bauxite is digested under pressure using

A. H₂SO₄

B. NaOH

C. NH₃

D. HCl

Discuss this answer

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

A. Steel

B. Glass wood

C. Copper

D. Fireclay bricks

Discuss this answer

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

Discuss this answer

The hardenability of steel decreases with

A. Decrease in dislocation density

B. Increase in solutionising temperature

C. Increase in strength

D. Decrease in grain size

Discuss this answer

Upto the critical radius of insulation, added insulation, will

A. Increase the heat loss

B. Decrease heat loss and will have no effect beyond that

C. Decrease heat flux

D. Reduce convection heat loss compared to conduction heat less

Discuss this answer

Accepted Answer

B. Pellets

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

When an isolated thermodynamic system executes a process,

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

Tempering of a material does not improve its

The elastic strain in copper is due to the

Steel & cast iron pipes are produced by __________ casting.

Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than

With increase in temperature, the surface tension of water

Water flow in the river during flood can be categorised as the __________ flow.

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.

Aluminium is extracted from

Super conduction in metals is observed at a temperature of __________ °K.

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

About __________ ton of coke is required in a cupola to produce one ton of casting.

On being hit with a hammer, __________ will readily fracture.

An oxidation process is accompanied with decrease in the

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Desalination of water

Which of the following is prone to cup and cone fracture?

Enzymes belong to the category of

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

In the Bayer's process, bauxite is digested under pressure using

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

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

The hardenability of steel decreases with

Upto the critical radius of insulation, added insulation, will

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Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

When an isolated thermodynamic system executes a process,

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is

Tempering of a material does not improve its

The elastic strain in copper is due to the

Steel & cast iron pipes are produced by __________ casting.

Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than

With increase in temperature, the surface tension of water

Water flow in the river during flood can be categorised as the __________ flow.

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.

Aluminium is extracted from

Super conduction in metals is observed at a temperature of __________ °K.

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A. Induced draft fanB. EconomiserC. Air preheaterD. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

About __________ ton of coke is required in a cupola to produce one ton of casting.

On being hit with a hammer, __________ will readily fracture.

An oxidation process is accompanied with decrease in the

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Desalination of water

Which of the following is prone to cup and cone fracture?

Enzymes belong to the category of

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

In the Bayer's process, bauxite is digested under pressure using

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

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

The hardenability of steel decreases with

Upto the critical radius of insulation, added insulation, will

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