Which of the following property is affected by heat treatment.
A. Hardness
B. Strength
C. Ductility
D. All of the above
Answer: Option D
Solution (By Examveda Team)
The correct answer is D: All of the aboveHere's why:
Heat treatment is a process of heating and cooling metals to change their properties.
Hardness: Heat treatment can significantly increase or decrease the hardness of a material. For example, quenching (rapid cooling) often increases hardness.
Strength: The strength of a metal, including its tensile strength and yield strength, is heavily influenced by its microstructure, which heat treatment can alter.
Ductility: Ductility, which is the ability of a material to deform without breaking, can also be changed through heat treatment. Some heat treatments increase ductility, while others decrease it.
Therefore, since heat treatment affects hardness, strength, and ductility, the answer is all of the above.
This Question Belongs to Mechanical Engineering >> Miscellaneous In Mechanical Engineering
Which of the following property is affected by heat treatment.
A. Hardness
B. Strength
C. Ductility
D. All of the above
With reference to Mechatronics which statement is true
A. Mechatronics is the synergistic integration of mechanical, electrical and electronics engineering with intelligent computer control.
B. Mechatronics is the confluence of traditional design methods with sensors and instrumentation technology embedded real time micro processor.
C. Mechatronics is the extension and completion of mechanical system with sensors and microcomputer.
D. All of the above.
A. toughness
B. brittleness
C. hardness
D. strenght
A. Carnot
B. Rankine
C. Reversed carnot
D. Reversed rankine
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