Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of

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Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of

A. 90% tungsten carbide and 10% cobalt

B. 70% aluminium oxide & 30% silica

C. 30% nickel, 15% chromium & 55% tungsten

D. 65% tungsten & 35% zirconium

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Tempering of a material does not improve its

A. Machinability

B. Toughness

C. Internal stress level

D. Softness

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Which of the following can be manufactured using powder metallurgy techniques?

A. Brake linings

B. Bearings

C. Carbide tool tips

D. All 'a', 'b' and 'c'

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Speisses is a mixture of the following:

A. Arsenides of heavy metals

B. Antimonides of heavy metals

C. Arsenides & antimonides of heavy metals

D. Iron, cobalt and nickel

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Dephosphorization of molten pig iron is favoured by

A. Oxidising and basic slag

B. Reducing and basic slag

C. High activity co-efficient of phosphorous in metal

D. Oxidising and neutral slag

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The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

A. Pipe roughness & pipe diameter

B. Fluid velocity

C. Type of flowing fluid

D. Both 'b' & 'c'

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'Flare tower' used in industry is meant for

A. Venting off (after burning) the excess inflammable/toxic gases at high pressure

B. Absorbing the pollutant gases from the furnace exhaust

C. Cooling of furnace exhaust gases

D. None of these

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Propulsion of rocket follows from the

A. Newton's second law of motion

B. Newton's third law of motion

C. Law of projectiles

D. Archimedes principle

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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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Pearlite comprises of

A. 87% cementite & 13% Fe

B. 87% ferrite & 13% cementite

C. 93.33% ferrite & 6.67% C

D. 87% ferrite & 13% C

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Lead is added to 60:40 brass primarily to improve

A. Machinability

B. Corrosion resistance

C. Fluidity

D. Strength

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The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

A. Hard

B. Soft

C. Silicon carbide

D. Aluminium oxide

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Load cells used for the measurement of weight has

A. Compact & rugged construction with an accuracy of 0.1 to 1%

B. No moving parts and incurs negligible deflection under load

C. Provision of thermal compensation and is hermetically sealed

D. All 'a', 'b' & 'c'

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'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

A. Petrol

B. LPG

C. Light hydrocarbon gases (e.g. butane or propane)

D. None of these

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Air intake for an air compressor should be preferably taken from

A. A site, where cooling towers are located nearby

B. A site, where open coal yard in located nearby

C. An air conditioned room maintained at a temperature of 18°C

D. An outside atmosphere at 10°C

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Cemented carbide tools are not suitable for cutting

A. Aluminium

B. Brass

C. Cast iron

D. Steel

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The most suitable material of construction for a sewer to carry sewage under high pressure is

A. Asbestos cement

B. Steel

C. Cement concrete

D. Stoneware

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The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

A. Resilience

B. Toughness

C. Ductility

D. Impact strength

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Pick out the correct combination about the role of various additives used in polymers.

A. Plasticiser: increases the polymer strength

B. Heat stabiliser: increases the maximum service temperature

C. Fillers: Does not affect the property of polymer but increases its weight

D. Lubricants: increases the flexibility of polymers

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Neutrons are present in all atoms except that of

A. He

B. C

C. H

D. Ar

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__________ is not used as the control rod material in a nuclear reactor.

A. Cobalt

B. Hafnium

C. Cadmium

D. Boron

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Which of the following is an example of cathodic protection of metals against corrosion?

A. Painted steel

B. Galvanised iron

C. Case hardened steel

D. Lead lined reactor

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Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

A. Invar

B. Hastelloy

C. Duralumin

D. Monel metal

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Rain drops falling through atmospheric air attain limited terminal velocity, because of

A. Upward thrust due to air

B. Viscous force exerted by air

C. Surface tension effects of water

D. Force of gravity

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For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

A. Propane and acetylene

B. Propane and LPG

C. Sewage gas and gobar gas

D. B.F gas and coke oven gas

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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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__________ stress cannot be sustained by a fluid in equilibrium.

A. Shear

B. Tensile

C. Compressive

D. None of these

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Non-ferrous alloys used for making cutting tools need not have high

A. Abrasion resistance

B. Toughness

C. Red hardness

D. Cutting speed

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Tin based white metals are used, where bearings are subjected to

A. High pressure & load

B. Low pressure & load

C. High temperature

D. Large surface wear

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Exposure to __________ accelerates the degradation of plastics.

A. Ultraviolet radiation

B. High atmospheric temperature

C. High ambient temperature

D. Damp atmosphere

Discuss this answer

Chlorine acts as a bleaching agent only in the presence of

A. Dry air

B. Pure oxygen

C. Moisture

D. Sunlight

Discuss this answer

Accepted Answer

A. 90% tungsten carbide and 10% cobalt

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Tempering of a material does not improve its

Which of the following can be manufactured using powder metallurgy techniques?

Speisses is a mixture of the following:

Dephosphorization of molten pig iron is favoured by

The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

'Flare tower' used in industry is meant for

Propulsion of rocket follows from the

Resilience of a bolt can be increased by increasing its

Pearlite comprises of

Lead is added to 60:40 brass primarily to improve

The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

Load cells used for the measurement of weight has

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Air intake for an air compressor should be preferably taken from

Cemented carbide tools are not suitable for cutting

The most suitable material of construction for a sewer to carry sewage under high pressure is

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

Pick out the correct combination about the role of various additives used in polymers.

Neutrons are present in all atoms except that of

__________ is not used as the control rod material in a nuclear reactor.

Which of the following is an example of cathodic protection of metals against corrosion?

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Rain drops falling through atmospheric air attain limited terminal velocity, because of

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

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

__________ stress cannot be sustained by a fluid in equilibrium.

Non-ferrous alloys used for making cutting tools need not have high

Tin based white metals are used, where bearings are subjected to

Exposure to __________ accelerates the degradation of plastics.

Chlorine acts as a bleaching agent only in the presence of

Also checkout

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Tempering of a material does not improve its

Which of the following can be manufactured using powder metallurgy techniques?

Speisses is a mixture of the following:

Dephosphorization of molten pig iron is favoured by

The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the

'Flare tower' used in industry is meant for

Propulsion of rocket follows from the

Resilience of a bolt can be increased by increasing its

Pearlite comprises of

Lead is added to 60:40 brass primarily to improve

The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

Load cells used for the measurement of weight has

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Air intake for an air compressor should be preferably taken from

Cemented carbide tools are not suitable for cutting

The most suitable material of construction for a sewer to carry sewage under high pressure is

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called

Pick out the correct combination about the role of various additives used in polymers.

Neutrons are present in all atoms except that of

__________ is not used as the control rod material in a nuclear reactor.

Which of the following is an example of cathodic protection of metals against corrosion?

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Rain drops falling through atmospheric air attain limited terminal velocity, because of

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg)?

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

__________ stress cannot be sustained by a fluid in equilibrium.

Non-ferrous alloys used for making cutting tools need not have high

Tin based white metals are used, where bearings are subjected to

Exposure to __________ accelerates the degradation of plastics.

Chlorine acts as a bleaching agent only in the presence of

Also checkout

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?