Malleable iron has what type of graphite? a) Rounded graphite b) Combination worm like and rounded graphite c) Graphite nodules d) Graphite flakes

Q: What is the crystal structure of the following microstructures. 1) Martensite 2) Austenite 3)…

A: crystal structure is the description of arrangement of atoms in crystalline material.

Q: 2) Classify the cast irons and write what you know about the gray (lamellar graphite) cast irons.

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Q: 9. Typical microscopic images of spheroidite, lower bainite and tempered martensite of an…

A: (a) Spheroidite:  It is a micro structure of steel composed of spherical shaped cementite particles…

Q: What are the mechanisms of strengthening?

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Q: An austenite containing 0.55% C was slowly cooled below 727°C, what would be its resulting…

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Q: B. Explain with schematic Two-dimension representation of pearlite phase

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Q: What type of crystal defect is it that allows substitutional alloys to exist? A) Linear…

A: Based on the atomic arrangement, alloys can be of two types-substitutional and interstitial. In a…

Q: A) Define the following: Amorphous Solids, allotropy, Single Crystals, stable electron…

A: Amorphous solids are those solids in which particles are not arranged in a specific order. In…

Q: For a metal that has the body-centered cubic crystal structure (BCC);  a)Draw the BCC unit cell  b)…

A: (a) BCC - Body Centered Cubic:  Unit cell of BCC crystal structure consists of 8 corner atoms and 1…

Q: Heating 0.50% C steel to 815 OC with sufficient holding time will lead to all of the carbon atoms…

A: Solution:

Q: 4/. An example metal for the body centered cubic structure is _________ a. gold b. Iron c. zinc d.…

A:

Q: 1.a) Write a short representation of 0.15% c, 10% Cr, 8% Ni, 2% Mo and a small amount of Flywheel…

A: As per Turkey standard of designating a alloying element The first set of digits represents the…

Q: What type of grain structure in terms of chemical composition does non equlibrium cooling produces…

A: To choose: The correct answer.

Q: You have a SAE 1020 material that you austenize and then rapid quench the final phase would be a…

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Q: 82) Which is true for low alloy Steels? A) they contain less than 1% of additional alloying elements…

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Q: ) Which is incorrect for the transition point to the plastic zone? A) hooke is the end of the law B)…

A: option  A is correct option. hooks law  end at the proportionality limit while plastic region occur…

Q: They are characteristics of a solid solution Choose an option A) It has limited solubility B) It is…

A: Hume Rothery rules    In the event that a solute contrasts in its atomic size by more than around…

Q: The line separating the a and (a+ L) regions is called a) The liquidus line b) The solidus line c)…

A: As the name suggets laminated glass is the combination of two glass layers sandwitched with PVC,…

Q: As the magnesium content of compacted iron increases, the graphite nodularity.

A: Answer is Increases.

Q: 88) What is the most important property of refractory metals?

A: 88). Refractory material is material which can withstand the high temperature. other option might be…

Q: of iron Steel and cast iron represent different a) Crystal structures b) Alloys c) Allotropes d)…

A: Steel and cast iron represent different alloys of iron.

Q: 17 -   Which of the following is wrong about composite materials?

A: Option (a) is correct.

Q: While there is about 2 times difference between tensile and compression strength in DD with spheroid…

A: (1) The strength of any material depends on the internal structure the materials. The difference…

Q: he Cu3Au crystal structure is similar to the FCC crystal structure, but it does not have the FCC…

A: A crystal structure is a crystalline solid or liquid in which the atoms or molecules are…

Q: 174) Bronze alloy, which element is the main alloying element?

A: We are suppose to answer only one question. Please post other question as a separate question.

Q: write thex C and the percentages of other alloying elements of the steel, which is given a short…

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Q: Identify the material that has interstitial solid solution structure a. Aluminum b. Steel c. Zinc d.…

A: Correct option: b.) Steel

Q: 1)What is types of cast iron? Explain detail with; a)Elemental composition b)Production method…

A: 1 2

Q: For an engine casing casting, would you select: 1000 C y (austentite) a +Y y + cementite a + Fe,C…

A: Answer:-  Fe-3.5%C steel

Q: 4) Smaller grain size higher/lower structural disorder. 5) Smaller grain size harder/lower to move…

A: 4) lower 5) lower

Q: The pearlite microstructure is formed a) in hypereutectoid steels c) in eutectoid steels d) all of…

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Q: Carbon products like graphite a. do not melt when overheated b.have high hardness c. have many…

A: This question is based on the concept of graphite and its properties.

Q: Which is/are used for annealing ferrous alloys? Check the right answers a) spheroidizing b)…

A: Annealing: It is a type of heat treatment process which is used to change the physical (Mechanical)…

Q: O Solid A A mixture of solid A and liquid A A little A dissolved into a solid that is mostly B O A…

A: 6)  alpha phase is basically a solid solution of B in A.

Q: Which of the following are factors that affect the processing ability of materials? 18 - O A) all…

A: Materials processing is known as the  steps involved in the development of raw-materials into…

Q: a) Briefly explain the solidification process of molten materials with the aid of Figure Q5 (a).…

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Q: 5.Fill in the blank with the following: [grain boundary, dislocation, coarse, stronger] A…

A: Solution:

Q: rses / Mechanical Engineering/ Intro. to Petro. Eng. / General / Tutorial Assesment If all the pore…

A: A reservoir's interconnected pore volume or void space leads to fluid flow or permeability. Isolated…