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Engineering-materials Questions Set 11:

Quiz Mode

Which of the following is not a stage of the annealing process?

Soaking

Tempering

Quenching

Heating

Solution:

The alloying element mainly used to improve the endurance strength of steel materials is:

Vanadium

Molybdenum

Nickel

Tungsten

Solution:

Which of the following properties of pure metals explains why they are not frequently used in engineering applications?

Luster

Hardness

Brittleness

Softness

Solution:

A given steel test specimen is studied under a metallurgical microscope at a magnification of 100 X. Different phases are observed, one of which is Fe₃C.

ferrite

cementite

austenite

martensite

Solution:

Why are internal stresses not produced in the hot working process?

Hot working process undergoes recrystallization.

Hot working process does not undergo recrystallization.

All of the above.

Microstructures undergo distortion.

Solution:

At a certain temperature, the maximum concentration of solute atoms that can dissolve in a solvent to form a solid solution is called the __________.

Solubility

Formation of phase

Solubility limit

Formation of supersaturated solution

Solution:

In the powder method of X-ray diffraction (XRD), the intensities of various bright lines are compared to determine the crystal structure. For a simple cubic lattice, the ratio of intensities at the first two maxima is:

1⁄2

3⁄4

2⁄3

none of the above

Solution:

Specify the correct sequence of the following metallurgical processes:

Grain growth, recrystallization, stress relief

Stress relief, grain growth, recrystallization

Stress relief, recrystallization, grain growth

Grain growth, stress relief, recrystallization

Solution:

Hardenability of steel is a measure of

the depth to which required hardening is obtained when it is austenitized and then quenched.

the ability to harden when it is cold worked.

the ability to retain its hardness when it is heated to elevated temperature.

the maximum hardness that can be obtained when it is austenitized and then quenched.

Solution:

Which of the following statements about phase diagrams are not true?

The determination of the relative amount of each phase in a mixture takes place through the temperature composition point.

The number of components in the binary phase diagram is two

In the coring process, the alloy is rapidly cooled down.

The lead-tin phase diagram is used in soldering because of the conclusions it provides.

Engineering-materials Questions Set 11:

Which of the following is not a stage of the annealing process?

Solution:

The alloying element mainly used to improve the endurance strength of steel materials is:

Solution:

Which of the following properties of pure metals explains why they are not frequently used in engineering applications?

Solution:

A given steel test specimen is studied under a metallurgical microscope at a magnification of 100 X. Different phases are observed, one of which is Fe₃C.

Solution:

Why are internal stresses not produced in the hot working process?

Solution:

At a certain temperature, the maximum concentration of solute atoms that can dissolve in a solvent to form a solid solution is called the __________.

Solution:

In the powder method of X-ray diffraction (XRD), the intensities of various bright lines are compared to determine the crystal structure. For a simple cubic lattice, the ratio of intensities at the first two maxima is:

Solution:

Specify the correct sequence of the following metallurgical processes:

Solution:

Hardenability of steel is a measure of

Solution:

Which of the following statements about phase diagrams are not true?

Solution:

Related Question Sets:

Related Topics:

Engineering-materials Questions Set 11:

Which of the following is not a stage of the annealing process?

Solution:

The alloying element mainly used to improve the endurance strength of steel materials is:

Solution:

Which of the following properties of pure metals explains why they are not frequently used in engineering applications?

Solution:

A given steel test specimen is studied under a metallurgical microscope at a magnification of 100 X. Different phases are observed, one of which is Fe3C.

Solution:

Why are internal stresses not produced in the hot working process?

Solution:

At a certain temperature, the maximum concentration of solute atoms that can dissolve in a solvent to form a solid solution is called the __________.

Solution:

In the powder method of X-ray diffraction (XRD), the intensities of various bright lines are compared to determine the crystal structure. For a simple cubic lattice, the ratio of intensities at the first two maxima is:

Solution:

Specify the correct sequence of the following metallurgical processes:

Solution:

Hardenability of steel is a measure of

Solution:

Which of the following statements about phase diagrams are not true?

Solution:

Related Question Sets:

Related Topics:

A given steel test specimen is studied under a metallurgical microscope at a magnification of 100 X. Different phases are observed, one of which is Fe₃C.