Stainless steel is welded with difficulty because of

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Stainless steel is welded with difficulty because of

A. Its high melting temperature

B. Chances of cracking

C. Oxide film formation

D. Chromium carbide formation

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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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Addition of silicon to cast iron

A. Promotes graphite module formation

B. Improves its ductility

C. Does not promote graphite flakes formation

D. Increases the fluidity of molten metal

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Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

A. Nitrate

B. Sulphate

C. Carbonate

D. Chloride

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The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A. Same

B. Slightly less

C. Slightly more

D. Much more

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Which of the following equipments is used for liquid dispersion?

A. Packed column

B. Venturi scrubber

C. Bubble cap plate column

D. Wetted wall column

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To counteract the bad effects of strain hardening on a cold formed part, it must be

A. Tempered

B. Normalised

C. Annealed

D. Hardened

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A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

A. Increase

B. Decrease

C. Remain unaffected

D. May increase or decrease; depends on the thickness of each layer

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Heat required to raise the temperature of a body by 1 °C is called its

A. Heat capacity

B. Specific heat capacity

C. Thermal conductivity

D. Water equivalent

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

A. Creep

B. Tension

C. Compression

D. Endurance

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The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres

A. 25

B. 35

C. 55

D. 75

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Pick out the wrong statement.

A. Ductile fracture of a stressed material, which exhibits a large plastic deformation is commonly caused by the formation and coalescence of voids in the necked region

B. Brittle fracture is caused by the propagation of pre-existing cracks in the material and involves minimum plastic deformation

C. Fatigue fracture of a material is always brittle in nature and takes place due to the existence of line imperfections

D. Brittle materials are generally tested in tension

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An example of unsteady non uniform flow is the flow of liquid under pressure through a

A. Tapering pipe at constant flow rate

B. Tapering pipe at either decreasing or increasing flow rate

C. Long pipeline of constant diameter

D. None of these

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The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

A. Flow output

B. Head developed

C. Overall efficiency

D. Weight

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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 capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

A. Ability to absorb shock

B. Capacity to store energy

C. Ratio of the wire & coil diameters

D. Load to produce unit deflection

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Pick out the wrong statement.

A. A ferromagnetic material becomes paramagnetic above the 'Curie temperature'

B. Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials

C. Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces

D. Tungsten steel and alnico are not hard magnetic materials

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Enzymes belong to the category of

A. Proteins

B. Carbohydrates

C. Vitamins

D. Fats

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Direct conversion of thermal energy to electrical energy is facilitated by the

A. Fuel cells

B. Photo voltaic cell

C. Magneto hydrodynamic generator

D. None of these

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Which of the following is not used as a bearing material?

A. Copper-lead alloys

B. Babbitts

C. Bronzes

D. Cermets

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In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

A. Percentage elongation

B. Brinell hardness

C. Tensile strength

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

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The ratio of the shear stress to the principal stress on a principal plane is

A. 0

B. 1

C. 1/2

D. 1/3

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Boiling point of water gets lowered at high altitudes (e.g., hills), because

A. Temperature is low

B. Atmospheric pressure is low

C. Atmospheric pressure is high

D. None of these

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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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Which of the following is the most wear resistant grade of carbide used for the cutting tools?

A. Aluminium carbide

B. Tungsten carbide

C. Nickel carbide

D. Iron carbide

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The leaching solvent used in Baeyer's process for the purification of bauxite is

A. Ammonium hydroxide

B. Sodium carbonate

C. Sodium hydroxide

D. Ammonium carbonate

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A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

A. Neutral

B. Ideal

C. Buffer

D. Zero pH

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__________ of test specimens is not involved in any hardness testing method.

A. Fracture

B. Indentation

C. Wear

D. Scratch

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The majority charge carriers in p-type silicon are

A. Free electrons

B. Ions

C. Conduction electrons

D. Holes

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A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

A. Lead

B. Glass

C. Mica

D. Silver

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Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

A. Paper

B. Cloth

C. Lead

D. Aluminium

Discuss this answer

Accepted Answer

C. Oxide film formation

Stainless steel is welded with difficulty because of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Load cells used for the measurement of weight has

Addition of silicon to cast iron

Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Which of the following equipments is used for liquid dispersion?

To counteract the bad effects of strain hardening on a cold formed part, it must be

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

Heat required to raise the temperature of a body by 1 °C is called its

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

The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres

Pick out the wrong statement.

An example of unsteady non uniform flow is the flow of liquid under pressure through a

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

Primary designation of steel is based on its

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

Pick out the wrong statement.

Enzymes belong to the category of

Direct conversion of thermal energy to electrical energy is facilitated by the

Which of the following is not used as a bearing material?

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

The ratio of the shear stress to the principal stress on a principal plane is

Boiling point of water gets lowered at high altitudes (e.g., hills), because

Oxyacetylene reducing flame is used while carrying out welding on

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

The leaching solvent used in Baeyer's process for the purification of bauxite is

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

__________ of test specimens is not involved in any hardness testing method.

The majority charge carriers in p-type silicon are

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

Also checkout

Stainless steel is welded with difficulty because of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Load cells used for the measurement of weight has

Addition of silicon to cast iron

Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Which of the following equipments is used for liquid dispersion?

To counteract the bad effects of strain hardening on a cold formed part, it must be

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will

Heat required to raise the temperature of a body by 1 °C is called its

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

The approximate height of a blast furnace having a useful volume of 2000 m3 is about __________ metres

Pick out the wrong statement.

An example of unsteady non uniform flow is the flow of liquid under pressure through a

The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

Primary designation of steel is based on its

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

Pick out the wrong statement.

Enzymes belong to the category of

Direct conversion of thermal energy to electrical energy is facilitated by the

Which of the following is not used as a bearing material?

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

The ratio of the shear stress to the principal stress on a principal plane is

Boiling point of water gets lowered at high altitudes (e.g., hills), because

Oxyacetylene reducing flame is used while carrying out welding on

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

The leaching solvent used in Baeyer's process for the purification of bauxite is

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

__________ of test specimens is not involved in any hardness testing method.

The majority charge carriers in p-type silicon are

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

Also checkout

The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres