What happens at the eutectic point?

Q: As the carbon content of plain carbon steel is increased what happens to its strength and hardness?…

A: Let us discuss what happens when carbon content is increased in carbon steel.

Q: Write the derivation of Conversion formula Temperature unit ⁰Re or Réaumur

A: Suppose there are four identical thermometers. Which are then submerged in the boiling water.…

Q: In white cast iron, the carbon is in combined form as .. O cementit O iron O silicon O cementite

A: White cast iron displays white fractured surfaces due to the presence of an iron carbide…

Q: Explain the principle behind the following Steelmaking Process. OPEN HEARTH PROCESS BESSEMER…

A: We have given Explain the principle behind the following Steelmaking Process. OPEN HEARTH PROCESS…

Q: What is propose of riser designed

A: To explain the purpose of riser design.

Q: The purpose of heat treatment procedure for quenching is

A: Given Quenching process To find Purpose of quenching process

Q: Explain tle heat breatment Cannealing nurmalizing stainless steel. hardening! of ond

A: Heat treatment :- Heat treatment is the process of heating the metal to a certain temperature and…

Q: y the types of cracking in a fusion pint

A: Last option is correct.

Q: Is  this statment correct  Thick pearlite is not as strong as thin pearlite.

A: True , Thick(Coarse) pearlite do have less strength and hardness in comparison to thin(fine)…

Q: White cast iron cannot be heat treated Select one: .True .False

A:

Q: Differentiate between equillibrium and non equillibrium cooling curve

A: The cooling curve is the graph showing phase change of material with respect to temperature of the…

Q: How did you determine the eutectic point? Explain.

A: In phase diagram , eutectic point is the point where liquid exist at the lower temperature.this…

Q: spreading heat?

A:

Q: An alloy begins melting at a certain temperature called the liquidus and finally completes the…

A: 1. Above liquidus temperature material is completely liquid.  2. Below solidus temperature material…

Q: can you resolve??

A: Power for first turbine Power  for second turbine To find the power output of the device and power…

Q: What are the Coplanar Loadings?

A: Loadings are said to be coplanar when they all are lying in a plane example :  Plane trusses

Q: Convert to cis form

A: Conversion to cis form.

Q: What will be the occerelalion at point L if theuniform KL bor is left horigontal. 2m Support…

A: Given, The mass of the bar, m=25 kg The length of the bar, L=4 m

Q: Consider a system of constant mass. Which of the following equations is obtained when the 1st and…

A:

Q: What is a complementary solutin?

A: In general the solution of a non-homogeneous equation holds two terms the complementary solution and…

Q: Plot the Iron-Iron Carbide phase diagram and indicate all phases and critical temperatures.

A: Phase Diagram-it is a  graphical representation  of the effect of temperature and composition upon…

Q: if the f Re 20 -0.25 mm %3D De terminef?

A: Relative roughness, eD=0.25Reynolds number, Re=20

Q: Copper can be worked in hot condition Select one: True False

A:

Q: oduced in smaller quantities

A: True.

Q: Which of the following formula generally used for low carbon steel?

A:

Q: What method of case hardening uses ammonia gas?

A: Nitriding is the case hardening process in which ammonia gas is used . As ammonia gas is used it…

Q: What is energy release rate and the relationship with stress intensity factor?

A:

Q: During zone melting process, the molten zone of a Cu-Ni alloy bar has the initial composition marked…

A: to find:weight percentage of nickelgiven:the Copper- Nickel alloycomposition at point B is  from the…

Q: What is the formula to specify Ductility?

A: Ductility is the defined as the percentage elongation in the material when it is subjected to the…

Q: Draw a typical blast furnace in details and label the major components ?

A: Iron Blast Furnace It is a type of blast furnace and the function of this furnace is to reduce…

Q: A steel case hardened by carburizing and quenching produces a Hard surface and tough core. Hard…

A:

Q: 5-The external surface of the part of steel can be hardened by: a-Tempering b-Normalizing c-Case…

A: (5) Case hardening: It is a method which is used to increase the hardness of the outer surface of…

Q: 23- Mild steel can be hardened by heat treatment Select one: True False

A: As per given question we have solutions true or false

Q: temperature

A: An I-beam made of 4140 steel is heat treated to form tempered martensite. It is then welded to a…

Q: Ex5: shape of a blind riser as shown in figure blow, compute the solidification time of the blind…

A: we have to find the solidification time of the given figure

Q: explaing briefly heating curve of pure iron with a neat sketch

A: A heating curve is a graphical plot of the changes in temperature with time for a material over the…

Q: Ans. 4.44 x 10 rapid quenching from 800 K.

A:

Q: What is the difference between constant heating rate, moderated heating rate and isothermal profile

A: Solution: The difference between constant heating rate, moderated heating rate and isothermal…

Q: T or F -The α-phase is rich in iron.  -The cementite phase  is rich in iron  -Pearlite steel has…

A: Answer 1. The α-phase is rich in iron is true. Reason: The α-phase having the least carbon…

Q: -What is the reason for the name white cast iron?

A: How cast iron is produced.  The pig iron that is raw form of iron is obtained from blast furnace…

Q: Identify the correct alloy that can be tempered from the following options. O Carbon Steel O Cast…

A: Temporing is a heat treatment process which is used in iron based alloys such as steel and cast…

Q: Q3/ A-Define the following: Duplex stainless steel, Super alloy, Martinsite, Muntiz metal, Flam…

A: A. Duplex Stainless Steel - These are formed due the combination of ferritic and austenitic steel.…

Q: 5.Iron-carbon steel at 1100e has.. . stracture and called ...

A: Given:

Q: Consider the design of a shaft fro. a D/d ratio of 1.5 and a r/d ratio of 0.1. The Torque is steady…

A:

Q: Nodular cast iron do not have spheroidal graphite structure Select one: True O False

A: Nodular cast iron is also known as spheroidal graphite cast iron. The structure is spheroidal…