Babbitt lining is used on brass/bronze bearings to increase the

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Babbitt lining is used on brass/bronze bearings to increase the

A. Antifriction properties

B. Compressive strength

C. Bearing resistance

D. Wear resistance

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Fibre glass is a composite material of

A. Glass fibre in a polymer matrix

B. Glass fibre in a metallic matrix

C. Polymer fibre in a glassy matrix

D. Both 'b' & 'c'

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Primary designation of steel is based on its

A. Hardness & tensile strength

B. Carbon content

C. Iron content

D. Alloying elements content

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The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

A. x^1.5

B. x^0.8

C. x^-1.5

D. x^-0.8

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The cathode in an electrochemical cell always carries

A. Negative charge

B. Positive charge

C. Zero charge

D. Positive or negative charge depending upon the nature of the cell

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The two elements required to form substitutional solid solution should not have

A. Same crystalline structure

B. Same valency

C. Widely differing electronegativity

D. Same atomic sizes

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In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

A. Zirconia

B. Alumina

C. Bakelite

D. Tungsten carbide

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Broaching tools are usually made of

A. Cermets

B. High speed steel

C. Tungsten carbide

D. Stellite

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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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Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

A. Entropy

B. Pressure

C. Volume

D. Heat

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The refrigerant freon-12 is chemically

A. CCl₂F₂

B. CCl₃F

C. CClF₃

D. CCl₄F

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As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

A. 110

B. 85

C. 60

D. 45

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Material of construction of the electrode used in the electric resistance welding is

A. Stainless steel

B. Graphite

C. Copper

D. Steel

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Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

A.

B.

C.

D.

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The best lubricants for a machine working at high temperature & load is

A. Grease

B. Solid lubricant

C. Animal oils

D. Mineral oils

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A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

A. 8.82

B. 9.81

C. 10.88

D. 0.95

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Which of the following fastening devices has its both ends threaded?

A. Bolt

B. Stud

C. Set screw

D. Split nut

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Matte smelting is used in the extraction of

A. Lead

B. Zinc

C. Aluminium

D. Copper

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

A. Surface finish of the sheet is poor

B. Sheet material has been given substantial spring back

C. Starting sheet has planer anisotropy due to its texture

D. Starting sheet has normal anisotropy due to its texture

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The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

A. Decreasing the surface area of the electrodes

B. Increasing the concentration of zinc sulphate solution

C. Increasing the surface area of the electrodes

D. Increasing the concentration of copper sulphate solution

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Unit of viscosity in CGS system is

A.

B.

C.

D.

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Increase in the entropy of a system represents the

A. Degradation of energy

B. Decrease in system pressure

C. Increase in the availability of energy

D. Increase in the temperature

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Fire in fuel gas pipelines is extinguished most effectively by

A. Spraying water

B. Blanketting the area with nitrogen atmosphere

C. Fire fighting foam

D. None of these

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In a good rimming steel

A. Carbon and silicon should be low

B. Silicon should be low but carbon should be high

C. Both silicon & carbon should be high

D. Silicon should be high but carbon should be low

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Rankine cycle comprises of two isothermal and two __________ processes.

A. Isobaric

B. Polytropic

C. Isentropic

D. None of these

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A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

A. √(Particle diameter)

B. Particle diameter

C. (Particle diameter)²

D. (Particle diameter)³

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Thermal conductivity of a material does not depend upon its

A. Mass

B. Volume

C. Surface area

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

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Induced draft fans provided in large thermal power plant boilers have __________ blades.

A. Forward curved

B. Backward curved

C. Double curved

D. Radial or straight

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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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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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Mild steel has __________ crystal lattice structure.

A. Face centred cubic (fcc)

B. Body centred cubic (bcc)

C. Orthorhombic

D. Cubic

Discuss this answer

Accepted Answer

D. Wear resistance

Babbitt lining is used on brass/bronze bearings to increase the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Fibre glass is a composite material of

Primary designation of steel is based on its

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

The cathode in an electrochemical cell always carries

The two elements required to form substitutional solid solution should not have

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

Broaching tools are usually made of

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

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

The refrigerant freon-12 is chemically

As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

Material of construction of the electrode used in the electric resistance welding is

Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

The best lubricants for a machine working at high temperature & load is

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

Which of the following fastening devices has its both ends threaded?

Matte smelting is used in the extraction of

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

The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Unit of viscosity in CGS system is

Increase in the entropy of a system represents the

Fire in fuel gas pipelines is extinguished most effectively by

In a good rimming steel

Rankine cycle comprises of two isothermal and two __________ processes.

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

Thermal conductivity of a material does not depend upon its

Induced draft fans provided in large thermal power plant boilers have __________ blades.

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

A jet engine turbine blade is normally manufactured by

Mild steel has __________ crystal lattice structure.

Also checkout

Babbitt lining is used on brass/bronze bearings to increase the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Fibre glass is a composite material of

Primary designation of steel is based on its

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

The cathode in an electrochemical cell always carries

The two elements required to form substitutional solid solution should not have

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

Broaching tools are usually made of

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

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

The refrigerant freon-12 is chemically

As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

Material of construction of the electrode used in the electric resistance welding is

Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

The best lubricants for a machine working at high temperature & load is

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is

Which of the following fastening devices has its both ends threaded?

Matte smelting is used in the extraction of

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

The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by

Unit of viscosity in CGS system is

Increase in the entropy of a system represents the

Fire in fuel gas pipelines is extinguished most effectively by

In a good rimming steel

Rankine cycle comprises of two isothermal and two __________ processes.

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

Thermal conductivity of a material does not depend upon its

Induced draft fans provided in large thermal power plant boilers have __________ blades.

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

A jet engine turbine blade is normally manufactured by

Mild steel has __________ crystal lattice structure.

Also checkout

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by