Age hardening is connected with

Question

Age hardening is connected with

A. Babbitt metal

B. Gun metal

C. Stainless steel

D. Duralumin

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Notched bar test is used for testing the __________ of a material.

A. Impact strength

B. Endurance limit

C. Machinability

D. Corrosion resistance

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Pick out the wrong statement.

A. Complete unity of command exists in a line organisation

B. Line organisation is net suitable for expansion and growth of an industry

C. In line and staff organisation, line executes and staff directs

D. None of these

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What is the value of entropy at 273°K?

A. 0

B. 1

C. ∞

D. None of these

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Steel produced from phosphatic iron is __________ in nature.

A. Malleable

B. Ductile

C. Brittle

D. Tough

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Fire refining process is employed in case of

A. Tin

B. Copper

C. Zinc

D. Aluminium

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A high pressure boiler generates steam at a pressure greater than __________ kg/cm².

A. 10

B. 30

C. 50

D. 80

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

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

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Which of the following heat treatment processes is usually applied to castings?

A. Tempering

B. Annealing

C. Normalising

D. Carburising

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Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

A. 1 : 1

B. 1 : 2

C. 2 : 1

D. 1 : 4

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Cast iron contains __________ percent carbon.

A. 2.5

B. 3.75

C. 4.75

D. 5.25

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Pick out the wrong statement.

A. A soft magnetic material should have high permeability and small area of hysteresis loop

B. Poisson's ratio of high melting point metals is more than unity

C. Solders generally melt at less than 185°C

D. Steel produced by B.O.F process is ideally suited for manufacturing flat product

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Liquor poisoning generally occurs due to the presence of __________ in it.

A. Ethyl alcohol

B. Impurities

C. Methyl alcohol

D. Carbonic acid

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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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Which of the following properties of a solid is not dependent on crystal imperfection?

A. Ductility

B. Semi-conductivity

C. Melting point

D. Yield stress

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Aluminium is extracted from

A. Chalcocite

B. Bauxite

C. Galena

D. None of these

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Larger length & diameter water pipes are made by

A. Electrical resistance welding

B. Die casting

C. Semi-centrifugal casting

D. Continuous casting

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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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Pick out the wrong statement.

A. For a pressure vessel to be classified as 'thin vessel', the ratio of wall thickness to mean radius is less than 0.1

B. For calculating forces and efficiency of riveted joint, either rivet diameter or rivet hole diameter is used in case of pressure vessel and in structural work

C. Longitudinal joint is normally made butt joint to maintain the circularity of the vessel

D. Maximum diameter of the opening provided in a pressure vessel, which does not require any compensation is 200 mm

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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 pairs is not correctly matched?

A. Uranium - 233 : Fertile material

B. Binding energy : Mass defect

C. Scattering: Absorption cross-section

D. Number of nucleons : Mass number

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The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

A. Magnesite

B. Chrome

C. Silica

D. Fireclay

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Machinability of hard alloys and tool steels is improved by

A. Spheroidising

B. Annealing

C. Tempering

D. Normalising

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The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

A. 7 and 30

B. 10 and 50

C. 2 and 50

D. 13 and 55

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Dry saturated steam can be converted into superheated steam by

A. Increasing its cross-sectional area of flow

B. Passing it through a pressure reducing valve

C. Forcing it downwards through a vertical tube

D. None of these

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Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

A. 300

B. 800

C. 1400

D. 2000

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__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

A. Beryllium

B. Zirconia

C. Alumina

D. Magnesia

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What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

A. 2

B. 8

C. 10

D. 40

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The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

A. Final control element

B. On-off control

C. Floating control action

D. None of these

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The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as

A. Rigid

B. Tough

C. Ductile

D. Plastic

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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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Accepted Answer

D. Duralumin

Age hardening is connected with

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Notched bar test is used for testing the __________ of a material.

Pick out the wrong statement.

What is the value of entropy at 273°K?

Steel produced from phosphatic iron is __________ in nature.

Fire refining process is employed in case of

A high pressure boiler generates steam at a pressure greater than __________ kg/cm².

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

Which of the following heat treatment processes is usually applied to castings?

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

Cast iron contains __________ percent carbon.

Pick out the wrong statement.

Liquor poisoning generally occurs due to the presence of __________ in it.

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

Which of the following properties of a solid is not dependent on crystal imperfection?

Aluminium is extracted from

Larger length & diameter water pipes are made by

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

Pick out the wrong statement.

Desalination of water

Which of the following pairs is not correctly matched?

The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

Machinability of hard alloys and tool steels is improved by

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

Dry saturated steam can be converted into superheated steam by

Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as

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

Also checkout

Age hardening is connected with

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Notched bar test is used for testing the __________ of a material.

Pick out the wrong statement.

What is the value of entropy at 273°K?

Steel produced from phosphatic iron is __________ in nature.

Fire refining process is employed in case of

A high pressure boiler generates steam at a pressure greater than __________ kg/cm2.

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

Which of the following heat treatment processes is usually applied to castings?

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

Cast iron contains __________ percent carbon.

Pick out the wrong statement.

Liquor poisoning generally occurs due to the presence of __________ in it.

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

Which of the following properties of a solid is not dependent on crystal imperfection?

Aluminium is extracted from

Larger length & diameter water pipes are made by

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

Pick out the wrong statement.

Desalination of water

Which of the following pairs is not correctly matched?

The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

Machinability of hard alloys and tool steels is improved by

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

Dry saturated steam can be converted into superheated steam by

Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as

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

Also checkout

A high pressure boiler generates steam at a pressure greater than __________ kg/cm².

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.