Stainless steel is welded using

Question

Stainless steel is welded using

A. Oxy-acetylene flame

B. Oxy-hydrogen flame

C. Arc welding

D. Inert gas arc welding

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Which of the following mainly decides the current to be employed is arc welding?

A. Electrode size

B. Plate thickness

C. Voltage across the arc

D. Welded portion length

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The burnout heat flux in the nucleate boiling regime is not a function of the

A. Liquid density

B. Vapour density

C. Temperature difference

D. Heat of evaporation

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Cementite is in the lamellar form in the __________ phase of steel.

A. Martenistic

B. Bainitic

C. Pearlitic

D. Ferritic

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Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

A. Grey

B. Black

C. Opaque

D. White

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During sensible cooling of air, its wet bulb temperature

A. Decreases but dew point remains constant

B. Increases but dew point remains constant

C. Increases & the dew point decreases

D. Decreases & the dew point increases

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Pick out the wrong statement.

A. Molecules with symmetrical arrangements (e.g. CH₄ or CCl₄) are non-polar

B. Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise

C. Most of the hydrocarbons are non-polar

D. None of these

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__________ is the most important element, which controls the physical properties of steel.

A. Manganese

B. Silicon

C. Carbon

D. Vanadium

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The Al₂O₃ content of cryolite in Hall- Heroult cell is maintained between __________ percent.

A. 2-5

B. 18-20

C. 12-15

D. 6-12

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Out of the following, the alloy which has equal percentage of constituents, is

A. White metal

B. Gun metal

C. Duralumin

D. Constantan

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Temper brittleness of a material can be fairly detected by the __________ test.

A. Fatigue

B. Notched bar impact

C. Tensile

D. Hardness

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An alloy of Fe - 0.4 % C is

A. Cast iron

B. Hypo-eutectoid steel

C. Hyper-eutectoid steel

D. Eutectoid steel

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In extrusion of metals, which of the following statement is true?

A. Speed of the extruded material is same as that of ram speed

B. Redundant work is a function of the die angle

C. Relative motion between the billet surface and the container wall is always present

D. Hollow ram is used for indirect extrusion

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The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

A. Parabolic

B. Hyperbolic

C. Straight line

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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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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__________ of hard alloy and tool steel is done to make it easily machinable.

A. Case carburising

B. Tempering

C. Normalising

D. Annealing

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Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

A. Styrofoam

B. Lucite

C. Perspex

D. Plexiglass

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Glass reacts with

A. H₂SO₃

B. HF

C. HNO₃

D. K₂Cr₂O₇

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X-rays are

A. Positively charged

B. Negatively charged

C. Neutral

D. Of higher wavelength than visible light

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Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

A. Cold

B. Work

C. Age

D. Induction

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Angular displacement can be measured suitably by a

A. Shaft encoder

B. Linear variable differential transducer (LVDT)

C. Stroboscope

D. Tachometer

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Heating of ferromagnetic materials to a temperature above Curie temperature makes it

A. Insulator for heat & electricity transmission

B. Ferritic

C. Behave like paramagnetic materials

D. Superconductor

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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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Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

A. Cementite

B. Austenite

C. Martensite

D. Pearlite

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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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Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

A. Conduction

B. Convection

C. Radiation

D. Both 'a' & 'b'

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Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

A. 723

B. 959

C. 1147

D. 1493

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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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Maximum hardenability of steel depends upon its

A. Chemical composition

B. Carbon content

C. Grain size

D. Alloying elements content

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Damage to metal surface by mechanical action is called

A. Pitting

B. Corrosion

C. Erosion

D. None of these

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Accepted Answer

D. Inert gas arc welding

Stainless steel is welded using

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following mainly decides the current to be employed is arc welding?

The burnout heat flux in the nucleate boiling regime is not a function of the

Cementite is in the lamellar form in the __________ phase of steel.

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

During sensible cooling of air, its wet bulb temperature

Pick out the wrong statement.

__________ is the most important element, which controls the physical properties of steel.

The Al₂O₃ content of cryolite in Hall- Heroult cell is maintained between __________ percent.

Out of the following, the alloy which has equal percentage of constituents, is

Temper brittleness of a material can be fairly detected by the __________ test.

An alloy of Fe - 0.4 % C is

In extrusion of metals, which of the following statement is true?

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

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

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

__________ of hard alloy and tool steel is done to make it easily machinable.

Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

Glass reacts with

X-rays are

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Angular displacement can be measured suitably by a

Heating of ferromagnetic materials to a temperature above Curie temperature makes it

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

Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

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

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

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

Maximum hardenability of steel depends upon its

Damage to metal surface by mechanical action is called

Also checkout

Stainless steel is welded using

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following mainly decides the current to be employed is arc welding?

The burnout heat flux in the nucleate boiling regime is not a function of the

Cementite is in the lamellar form in the __________ phase of steel.

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

During sensible cooling of air, its wet bulb temperature

Pick out the wrong statement.

__________ is the most important element, which controls the physical properties of steel.

The Al2O3 content of cryolite in Hall- Heroult cell is maintained between __________ percent.

Out of the following, the alloy which has equal percentage of constituents, is

Temper brittleness of a material can be fairly detected by the __________ test.

An alloy of Fe - 0.4 % C is

In extrusion of metals, which of the following statement is true?

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

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

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

__________ of hard alloy and tool steel is done to make it easily machinable.

Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?

Glass reacts with

X-rays are

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Angular displacement can be measured suitably by a

Heating of ferromagnetic materials to a temperature above Curie temperature makes it

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

Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

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

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

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

Maximum hardenability of steel depends upon its

Damage to metal surface by mechanical action is called

Also checkout

The Al₂O₃ content of cryolite in Hall- Heroult cell is maintained between __________ percent.

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