Explore topic-wise MCQs in Manufacturing Processes.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

THE_ONE_SPECIMEN_FORM_ABOVE_MENTIONED_SPECIMEN_IS_COLD_WORKED.?$

A. True
B. False
Answer» B. False
Discussion
2.

HEATING_OF_HYPEREUTECTOID_STEELS_RESULTS_IN_FORMATION_OF_COARSE_PEARLITE_WITH_EXCESS___________?$

A. Ferrite
B. Bainite
C. Cementite
D. Austenite
Answer» D. Austenite
Discussion
3.

THE_ANISOTHERMAL_ANNEAL_METHOD,_THE_ENERGY_RELEASE_IS_DETERMINED_AS_A_FUNCTION_OF_TEMPERATURE.?$

A. True
B. False
Answer» B. False
Discussion
4.

How does heating for hypereutectoid steels differ from hypoeutectoid steels?

A. Heated 30-60<sup>o</sup>C above A1 line
B. Heated 30-60<sup>o</sup>C below A1 line
C. Heated 30-60<sup>o</sup>C below A2 line
D. Heated 30-60<sup>o</sup>C below A3 line
Answer» B. Heated 30-60<sup>o</sup>C below A1 line
Discussion
5.

Free energy of cold-worked metals is _____ than/as that of annealed metals?

A. greater
B. lower
C. same
D. greater of few metals
Answer» B. lower
Discussion
6.

What is the result of full annealing of hypoeutectoid steels?

A. Coarse pearlite
B. Bainite
C. Cementite
D. Silicon
Answer» B. Bainite
Discussion
7.

Which of the following relations is true?

A. ΔG = ΔH – TΔS
B. ΔH = ΔG – TΔS
C. ΔT = ΔH – GΔS
D. ΔG = TΔH – ΔS
Answer» B. ‚âà√≠‚àö√ÜH = ‚âà√≠‚àö√ÜG ‚Äö√Ñ√∂‚àö√ë‚àö¬® T‚âà√≠‚àö√ÜS
Discussion
8.

Cooling of hypoeutectoid steels in done is furnace by decreasing the temperature to at least ________ below the A1 line.

A. 4<sup>o</sup>C
B. 10<sup>o</sup>C
C. 16<sup>o</sup>C
D. 30<sup>o</sup>C
Answer» E.
Discussion
9.

Vacancies in the metal lattice will be formed in greater numbers than interstitial atoms during _____

A. plastic deformation
B. brittle deformation
C. heating over melting temperature
D. non-linear deformation
Answer» B. brittle deformation
Discussion
10.

For full annealing of hypoeutectoid steels, they are heated in a range above __________

A. 153-250<sup>o</sup>C
B. 273-350<sup>o</sup>C
C. 551-770<sup>o</sup>C
D. 723-910<sup>o</sup>C
Answer» E.
Discussion
11.

Strain energy of the metal _____ with increasing the dislocation densities.

A. increases
B. decreases
C. does not change
D. first decreases and then remains constant
Answer» B. decreases
Discussion
12.

Full annealing is applied to which kind of materials?

A. Steel castings
B. Steel wires
C. High carbon steels
D. Sheet products
Answer» B. Steel wires
Discussion
13.

A soft annealed metal can have dislocation densities of the order of _____

A. 10<sup>5</sup> to 10<sup>6</sup> m<sup>-2</sup>
B. 10<sup>8</sup> to 10<sup>10 </sup>m<sup>-2</sup>
C. 10<sup>10</sup> to 10<sup>12</sup> m<sup>-2</sup>
D. 10<sup>10</sup> to 10<sup>15</sup> m<sup>-2</sup>
Answer» D. 10<sup>10</sup> to 10<sup>15</sup> m<sup>-2</sup>
Discussion
14.

Which of the following is not a stage of annealing?

A. Heating
B. Soaking
C. Tempering
D. Quenching
Answer» D. Quenching
Discussion
15.

The amount of stored energy can be greatly increased by _____

A. lowering the deformation temperature
B. increasing the deformation temperature
C. increasing the purity of the metal
D. reducing the net volume
Answer» B. increasing the deformation temperature
Discussion
16.

How does the rate of cooling affect the hardness of the metal?

A. Slow cooling, hard material
B. Slow cooking, soft material
C. Rapid cooling, soft material
D. No effective change
Answer» C. Rapid cooling, soft material
Discussion
17.

The fraction of total energy stored in the material _____ with increasing deformation.

A. increases
B. decreases
C. first increases and then decreases
D. remains constant
Answer» C. first increases and then decreases
Discussion
18.

The metal is said to be cold worked if it is plastically deformed at temperatures lower than _____

A. sublimation point
B. critical point
C. melting point
D. saturation point
Answer» D. saturation point
Discussion