A jet engine turbine blade is normally manufactured by

Question

A jet engine turbine blade is normally manufactured by

A. Forging

B. Shell moulding

C. Investment casting

D. Pressure die casting

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Ammonia leakage in the refrigeration system is detected by

A. Sulphur stick, which on detection gives white smoke

B. Using chemical reagents

C. Its smell

D. Soap solution

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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

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If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

A. Is trebled

B. Remains unchanged

C. Decreases by a factor of 3

D. Decreases by a factor of 1/3

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Pick out the wrong statement about the machinability of metals. Machinability of a metal

A. Decreases with increase in strain hardening tendencies

B. Decreases with increase in hardness, in general

C. Depend on the composition, microstructure and physical & mechanical properties

D. Decreases with increases in tensile strength & decrease in grain size

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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

A. 1/k

B. k

C. k²

D. 1/k²

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Dislocations are __________ defects.

A. Point

B. Line

C. Volume

D. None of these

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Which of the following is an unconventional source of energy?

A. Thermal power

B. Hydroelectric power

C. Nuclear-fusion power

D. Solar power

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Which of the following is not categorised as the ore agglomeration process?

A. Nodulising

B. Pelletising

C. Balling

D. Briquetting

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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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__________ cannot increase the fatigue strength of a material.

A. Grain refining

B. Grain coarsening

C. Surface hardening

D. Shot peening

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Maximum consumption of limestone is in the __________ industry.

A. Iron and steel

B. Cement

C. Glass

D. Fertiliser

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Photographic plates are coated with

A. Silver nitrate

B. Silver halide

C. Calcium silicate

D. Metallic silver

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Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

A. Only

B. Plus variable cost

C. Plus overhead cost

D. Plus selling expenses

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With increase in impurities in metals, their corrosion resistances

A. Increase

B. Decrease

C. Remain same

D. May increase or decrease; depending on the type of metal

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

A. 1-5

B. 20-30

C. 100-150

D. 200-250

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Reduction in the grain size reduces the __________ of the material.

A. Fatigue resistance

B. Tensile strength

C. Creep resistance

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

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Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

A. Nitrogen oxides

B. Hydrocarbons

C. Both 'a' & 'b'

D. Carbon monoxide

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The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

A. Runner

B. Cylinder

C. Mold

D. None of these

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Which of the following is not a ferromagnetic material?

A. Nickel

B. Cobalt

C. Aluminium

D. Iron

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Steel is welded using the __________ flame.

A. Carburising

B. Neutral

C. Oxidising

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

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For an ideal gas, C_p - C_v is

A. R

B. -R

C. 0

D. (3/2) R

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Gratings is associated with the measurement of

A. Linear displacement

B. Concavity/convexity

C. Surface texture

D. Flatness

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Blast furnace slag is mainly molten

A. Sand

B. Magnesium silicate

C. Calcium silicate

D. Iron pyrite

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Which of the following low melting alloy containing bismuth and lead is used for electric fuse?

A. Wood's metal

B. Babbitt metal

C. Monel metal

D. Duralumin

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Adhesives

A. Cant be used in the form of pressure sensitive tapes

B. Cant join two dissimilar metals

C. Cure instantaneously after application on a surface

D. None of these

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Case hardening of a material is

A. Followed by tempering or carburising

B. Preceded by its tempering

C. Done to get a soft ductile interior with a very hard surface

D. Carried out to get extreme hardness in its core

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The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

A. 100

B. 200

C. 1000

D. 2000

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Oxyacetylene reducing flame is used while carrying out welding on

A. Alloy steel

B. Grey cast iron

C. Mild steel

D. High carbon steel

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In TIG welding, thoriated tungsten electrodes are used, because it

A. Has higher current carrying capacity

B. Has better electron emissivity

C. Is stronger than ordinary tungsten

D. Is easy to prepare

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Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

A. 10^-3

B. 10³

C. 10^-15

D. 10¹⁵

Discuss this answer

Accepted Answer

C. Investment casting

A jet engine turbine blade is normally manufactured by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Ammonia leakage in the refrigeration system is detected by

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

If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

Pick out the wrong statement about the machinability of metals. Machinability of a metal

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Dislocations are __________ defects.

Which of the following is an unconventional source of energy?

Which of the following is not categorised as the ore agglomeration process?

Desalination of water

__________ cannot increase the fatigue strength of a material.

Maximum consumption of limestone is in the __________ industry.

Photographic plates are coated with

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

With increase in impurities in metals, their corrosion resistances

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

Reduction in the grain size reduces the __________ of the material.

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

Which of the following is not a ferromagnetic material?

Steel is welded using the __________ flame.

For an ideal gas, C_p - C_v is

Gratings is associated with the measurement of

Blast furnace slag is mainly molten

Which of the following low melting alloy containing bismuth and lead is used for electric fuse?

Adhesives

Case hardening of a material is

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

Oxyacetylene reducing flame is used while carrying out welding on

In TIG welding, thoriated tungsten electrodes are used, because it

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

Also checkout

A jet engine turbine blade is normally manufactured by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Ammonia leakage in the refrigeration system is detected by

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

If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

Pick out the wrong statement about the machinability of metals. Machinability of a metal

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Dislocations are __________ defects.

Which of the following is an unconventional source of energy?

Which of the following is not categorised as the ore agglomeration process?

Desalination of water

__________ cannot increase the fatigue strength of a material.

Maximum consumption of limestone is in the __________ industry.

Photographic plates are coated with

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

With increase in impurities in metals, their corrosion resistances

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

Reduction in the grain size reduces the __________ of the material.

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

Which of the following is not a ferromagnetic material?

Steel is welded using the __________ flame.

For an ideal gas, Cp - Cv is

Gratings is associated with the measurement of

Blast furnace slag is mainly molten

Which of the following low melting alloy containing bismuth and lead is used for electric fuse?

Adhesives

Case hardening of a material is

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

Oxyacetylene reducing flame is used while carrying out welding on

In TIG welding, thoriated tungsten electrodes are used, because it

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

Also checkout

For an ideal gas, C_p - C_v is