14) The phase/s in tempered martensite in a steel is/are: a) Body centered cubic Ferrite b) Monoclinic Fe3C c) Body centered Tetragonal martensite d) Both A and B

Q: Question 29 Ledeburite is the eutectic phase found in steels. O True O False

A: eutectic phase is related to mixing of two metals and forming a new alloy. In eutectic system two…

Q: A straight wire 15 m long is subjected to tensile stress of 2000 kgf/cm2. Elastic modulus is 1.5x106…

A:

Q: 3-7. A structural member in a nuclear reactor is made of a zirconium alloy. If an axial load of 4…

A:

Q: A copper-colored surface can be produced if the steel coated with a .solution a) copper nitrate b)…

A: Apologies. We only answer one question at a time. we will answer the first one as the exact one…

Q: For the two element rod shown, element (1) is steel with: E₁ = 210 GPa, A₁ = 1000 mm², L₁= 2 m, and…

A: Given  A two element rod having temperature increase of 100 °c Required Stress in both rod…

Q: 5- Increasing crystalline imperfections raises the a) velocity b) resistivity c) conductivity d)…

A: Crystalline imperfections are actually the defects in the regular geometrical arrangement of the…

Q: 3. The chemical heptachlor in anti- termite proofing has concentration by weight of: A. O 0.50%

A: To find What is concentration of chemical.

Q: Describe the basic properties of Kaolinite.

A: Kaolinite is a type of clay in which one tetrahedral layer of SiO4 (silica) attached with oxygen…

Q: Which one is a linear defect in the crystalline materials? (A) external surfaces B vacancies ©…

A: We have to determine that the which one option is a linear defect in the crystalline material.

Q: As an Engineer describe the complete heat treatment required to produce a quenched and tempered…

A: Introduction : Steel foundry heat treatment practises have been thoroughly investigated as part of…

Q: value of gas constant is same for al

A: To find Wether the given statement is true or false.  Given statement : Is value if gas constant…

Q: The nutural frequancy for the system is equal to Ek rigid uniform bar of mass (m) P b -L-

A:

Q: Metals have a good conductivity for heat and electricity False True

A: There are three type of element :  Metal  Non metal  Semi conductor.

Q: Which one does NOT exist in the iron-carbon equilibrium phase diagram? (A Graphite (B Ferrite…

A: Iron carbon equilibrium phase diagram is a graphical represestation between the temperature aalong Y…

Q: Compute the mass fraction of a ferrite and cementite in pearlite.

A: Lever rule: - It is defined as the rule that helps to find mass fraction of every phases.

Q: 4 - Reaction between C3A and gypsum formation... a) Tricalcium aluminate hydrate b) calcium silicate…

A: 4. Reaction between C3A and gypsum formation -        Calcium silicate hydrates so,correct answer is…

Q: r for a theodolite

A: To design: Vernier for a theodolite circle divided into degrees and half degrees to read upto 30"…

Q: Match the defects to their labels in the Crystal Structure below A B C D E• -Grain Boundary…

A: Given crystal structure:

Q: Q-Penetrate the rainwater from due to absorption or defect in the connection of building unites or…

A: Penetrate the rain water from External Wall due to absorption or defect in the connection of…

Q: Ivertical deformation at cc ]rot ation at (c) l00 B 2 m

A:

Q: If the R-value of the material is high, then the material is more effective as heat insulator.…

A: In Construction, R value represent the effectiveness of insulation of materials and it's ability to…

Q: Uousan is a vacancy-interstitial pair formed when an ion jumps from a normal lattice point to an…

A: When equal number of anions and actions are missing from ionic crystal then such a defect is called…

Q: A nuclear fuel pellet consists of an aluminum cladding [E1 = 90 GPa; α1 = 42.2 × 10-6 /°K] with an…

A: There will be compression in Al as Alpha is more.

Q: The ability of the material to absorb energy without creating a permanent distortion is called. O a.…

A: Explanation :  Hardness can be defined as the resistance to deformation for a material. Toughness…

Q: Which of the following may cause magnetic particle test indications? O A joint between two…

A: Indications are subdivided into following types: 1. Relevant 2. Non-relevant 3. Spurious

Q: State two applications where single crystals are used as well as two applications of amorphous…

A: A single crystal is also called monocrystalline solid. It is a type of material in which the entire…

Q: Describe the basic properties of Montmorillonite.

A: Montmorilonite is a group of minerals which is contained in clayey soils. It is formed by…

Q: is a point imperfection in ionic compounds in which a cation-anion pair is missing. O Schottky…

A: Schottky defect is a defect when a cation- anion pair is missing.

Q: Usually materials with crystal structure fail in ductile mode O FCC O BCC О НСР O all of the choices

A: FCC: The full form of FCC is Face Centered Cubic. In this crystal structure, there is an atom in…

Q: When a bar is cooled to -5°C, it will develop O(A) No stress O(B) Shear stress OC) Tensile stress…

A: When bar cooled down it is getting contracted or try reduce its length . But  Everybody try to…

Q: State the determinacy of the beam shown. Answer is: Unstable. Show solution

A: To find degree of static indeterminacy of beam

Q: Pearlite structure contains the alternating layers of austenite and bainite. (A) Doğru B) Yanlış

A: Pearlite is a two phased structure composed of alternating layers of ferrite and cementite.

Q: At 170°C, what is the maximum solubility (a) of Pb in Sn and (b) of Sn in Pb? The lead-tin phase…

A: The maximum solubility of Pb in Sn and Sn in Pb is shown below ;

Q: prizontal reaction at A

A:

Q: The minimum safe bending radius of a certain polyethylene tube is theoutside diameter times 31⁄2.…

A: Given:- minimum safe bending radius = D*31/2 D=outside diameter=3/8 inch To find:- minimum bending…

Q: Which of the following alloys would form a complete substitutional solid solution? Metal 1 is BCC,…

A: Conditions for substitutional solid solution  Both metals should be of same lattice type (bcc - bcc…

Q: What is the relationship between the silica structure and the Bowen's reaction discontinuous series?

A: Magma's mineral composition changes as it cools, as described by the Bowen reaction series. The…

Q: Question 27 At the eutectoid temperature, ledeburite is transformed into ferrite and cementite. O…

A: At the eutectoid temperature, ledeburite is transformed into ferrite and cementite. This statement…

Q: An engineering design requires a glass component to withstand high service temperature of around…

A: Condition 1  Maximum service Temperature for Different glasses are  Soda lime glass= 150-200 °C 96%…

Q: What matenal is present In steel at a temperature abbve 750°C7 Select one: O a Pearlite O D.…

A: Brief Concept- Steel-  Steel is an alloy of iron and carbon mixed with certain other elements for…

Q: If there is to be extensive replacement in a substitutional solid solutions"SSS", the atoms must be…

A:

Q: 5. An increase in enthalpy leads to an increase in

A: Enthalpy increase may be due to the increase in temperature.

Pressure and Stress