Powder metallurgy technique is used in the production of __________ tools.

Question

Powder metallurgy technique is used in the production of __________ tools.

A. Tungsten carbide

B. High carbon steel

C. High speed steel

D. Drilling

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The product (s) of roasting of a sulphide ore is (are)

A. Oxide only

B. Sulphate only

C. Oxide and sulphate

D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide

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Which of the following is a boiler accessory
i.e., not a boiler mounting?

A. Blow off cock

B. Feed check valve

C. Feed water pump

D. Stop valve

Discuss this answer

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

A. Stainless steel

B. Mild steel

C. High speed steel

D. High carbon steel

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The units of the rate constant for a second order reaction are

A.

B.

C.

D.

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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

Discuss this answer

Which of the following does not have a sharp melting point?

A. Thoria

B. Glass

C. Ice

D. Pig iron

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Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

A. 9,100

B. 13,000

C. 7,000

D. 2,550

Discuss this answer

Pick out the wrong statement about the machinability of metals. Machinability of a metal

A. Decreases with increase in strain hardening tendencies

B. Decreases with increase in hardness, in general

C. Depend on the composition, microstructure and physical & mechanical properties

D. Decreases with increases in tensile strength & decrease in grain size

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The surface tension of a liquid, at critical temperature is

A. Indeterminate

B. Zero

C. Infinity

D. Same as that at any other temperature

Discuss this answer

Which of the following forces does not act on a fluid at rest?

A. Viscous force

B. Gravity force

C. Hydrostatic force

D. Surface tension force

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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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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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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

Discuss this answer

Water-tube boiler is the one, in which

A. Water passes through tubes and flue gases around it

B. Tube carrying hot flue gases are immersed in a pool of water

C. Tubes are placed in vertical position

D. None of these

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Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

A. Pressure falls below the vapour pressure

B. Pressure becomes very high

C. Temperature becomes low

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

Discuss this answer

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

A. High fusibility & fluidity

B. High thermal conductivity

C. Low density

D. High chemical activity

Discuss this answer

Neutrons are present in all atoms except that of

A. He

B. C

C. H

D. Ar

Discuss this answer

Matte smelting is used in the extraction of

A. Lead

B. Zinc

C. Aluminium

D. Copper

Discuss this answer

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

Discuss this answer

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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Out of the following, the most malleable material is

A. Copper

B. Aluminium

C. Wrought iron

D. Lead

Discuss this answer

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

A. A

B. D

C. 1/A

D. 1/A²

Discuss this answer

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

A. Mechanical

B. Overall

C. Volumetric

D. Impeller

Discuss this answer

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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Which of the following gases cause global warming?

A. Carbon monoxide

B. Carbon dioxide

C. Nitrogen

D. Ozone

Discuss this answer

Stainless steel is welded using

A. Oxy-acetylene flame

B. Oxy-hydrogen flame

C. Arc welding

D. Inert gas arc welding

Discuss this answer

Wavelength of radiation emitted by a body depends on the __________ of its surface.

A. Temperature

B. Area

C. Nature

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

Discuss this answer

The process of removal of scale formed during hot rolling of steel is termed as

A. Descaling

B. Shot blasting

C. Pickling

D. Skimming

Discuss this answer

Nickel is a __________ material.

A. Ferromagnetic

B. Semi-conductor

C. Paramagnetic

D. Ferroelectric

Discuss this answer

The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.

A. 140

B. 180

C. 240

D. 280

Discuss this answer

Accepted Answer

A. Tungsten carbide

Powder metallurgy technique is used in the production of __________ tools.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The product (s) of roasting of a sulphide ore is (are)

Which of the following is a boiler accessory
i.e., not a boiler mounting?

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

The units of the rate constant for a second order reaction are

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

Which of the following does not have a sharp melting point?

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

Pick out the wrong statement about the machinability of metals. Machinability of a metal

The surface tension of a liquid, at critical temperature is

Which of the following forces does not act on a fluid at rest?

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

Pick out the wrong statement.

Addition of silicon to cast iron

Water-tube boiler is the one, in which

Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

Neutrons are present in all atoms except that of

Matte smelting is used in the extraction of

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

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

Out of the following, the most malleable material is

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

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

Which of the following gases cause global warming?

Stainless steel is welded using

Wavelength of radiation emitted by a body depends on the __________ of its surface.

The process of removal of scale formed during hot rolling of steel is termed as

Nickel is a __________ material.

The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.

Also checkout

Powder metallurgy technique is used in the production of __________ tools.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The product (s) of roasting of a sulphide ore is (are)

Which of the following is a boiler accessory i.e., not a boiler mounting?

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

The units of the rate constant for a second order reaction are

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

Which of the following does not have a sharp melting point?

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

Pick out the wrong statement about the machinability of metals. Machinability of a metal

The surface tension of a liquid, at critical temperature is

Which of the following forces does not act on a fluid at rest?

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

Pick out the wrong statement.

Addition of silicon to cast iron

Water-tube boiler is the one, in which

Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

Neutrons are present in all atoms except that of

Matte smelting is used in the extraction of

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

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

Out of the following, the most malleable material is

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller).

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

Which of the following gases cause global warming?

Stainless steel is welded using

Wavelength of radiation emitted by a body depends on the __________ of its surface.

The process of removal of scale formed during hot rolling of steel is termed as

Nickel is a __________ material.

The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to __________ °D.

Also checkout

Which of the following is a boiler accessory
i.e., not a boiler mounting?

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).