Hard soldering of metals can be done in the melting point temperature range of _____________________. 183ºC-212ºC 650ºC-700ºC 1600ºC-1700ºC 6000ºC-7000ºC

Q: 3) Epitaxial solidification occurs during Autogenous welding Welding with dissimilar fillers…

A: The solid particles of melt require heterogeneous nucleation. where

Q: Difference in solubility of gases in molten and solid state of metal during welding promotes Cracks…

A:

Q: 5) The solidification of weld metal involves nucleation and grain growth, when No filler metal is…

A: Answer D. All of the above

Q: Describe the potential hazard in the following picture in one paragraph?

A: Welding is a joining process in which metals, or sometimes plastics, are heated, melted and mixed to…

Q: 3) Improper cleaning of faying surfaces during fusion welding of carbon steels will primarily lead…

A: Given:Fusion welding:This is the process to join two or many materials by heating them upto the…

Q: 7. mention the name and principle of the following formation process?

A: The given operations is a metal forming operation. The name of the operation is Rolling. In this…

Q: Which one has weak welding ability? a) tin B) copper C) steel D) aluminum E) nickel 59) What would…

A:

Q: A-What is the purpose of the following heat treatments?(mention two points only for each heat…

A: This question is based on heat treatment of material.

Q: 1- Define the SPHERODIZING process? 2- What is the Ductile Cast Iron? 3- Why does the hardness of…

A: The metallurgy is the branch of science which studies the properties of the materials & its…

Q: 12 The example for forming process is ___________. a. Extrusion b. Gas welding c. Die Casting d.…

A: Metal forming process in which the metal is reshaped without machining or metal removing or adding…

Q: What is the impact factor?

A: Impact factor (IF) can be explained as the frequency from which the average article is cited in a…

Q: What are hyphenated gas-chromatographic methods? Briefly describe three hyphenated methods

A: Hyphenated gas chromatography; Hyphenated gas chromatography is not the only coupling of GC to the…

Q: Compare normalizing and hardening heat treatment processes .

A: To find: Compare normalizing and hardening heat treatment processes .

Q: In the steelmaking process, what is the difference of using the Basic Oxygen Furnace and the…

A: THERE IS SOME BASIC FEATURES WHICH MAKE A DIFFERENCE BETWEEN BASIC OXYGEN FURNACE AND THE ELECTRIC…

Q: Which group of electrodes are best suitable for high temperatures during resistance spot welding?…

A: Spot welding- It is one of the type of resistance welding used for joining of sheet metals. Two…

Q: A worker in a large welding and steel fabrication shop asked his employer if he could make a trailer…

A: A trailer hitch is used to connect the trailer or any loaded cart with the pickup truck with the…

Q: To eliminate distortion while achieving a uniform structure and response to heat treating…

A: Given: To eliminate distortion while achieving a uniform structure and response to heat treating…

Q: Provide a general description of electric arc furnace used in Industrial Manufacturing of Steel

A: following is the answer to the above problem

Q: Provide a general description of Induction Furnaces used in Industrial Manufacturing of Steel

A:

Q: The process of reheating of the martensitic steel

A: Given; The process of reheating of the martensitic steel to reduce its brittleness without any…

Q: 1. What is Age Hardening and how does it differ from Quench Hardening?

A: Age Hardening

Q: Compared to annealing, strength of a metal after tempering is Select one: a. same b. none of the…

A:

Q: why Filler metals are used in fusion welding process?

A: Filler metal Filler metal is a metal added in the making of a joint through welding, brazing, or…

Q: What are the possible defects of MIG welding on stainless steels?

A: Metal Inert Gas Welding Metal Inert Gas Welding uses consumable electrode and it is used to join…

Q: Why are rivets of a 2017 aluminum alloy often refrigerated until the time they are used?

A: Hardness and strength of some material can be improved by Precipitation Hardening.  Precipitation…

Q: What are the advantages of MIG welding on stainless steels?

A: MIG : (Metal Inert Gas) It is a type of arc welding. MIG welding is carried out by placing an arc…

Q: Elaborate different psychrometric processes with the help of psychrometric chart ?

A: Various Psychrometric processes are drawn and explained below.

Q: 7. How is steel manufactured by basic open hearth process? What are the advantages of this process…

A: Basic oxygen lance furnace is a process of making steel where carbon-rich molten pig iron is…

Q: 62. Silver is used as filler metal in soldering process. Select one: True False

A: Soldering is a process in which base material components are joined together by filler material…

Q: Can aluminum be quench-hardened? Why or why not?

A: Quenching is one of the heat treatment processes used to increase the hardness of the metals and…

Q: of answer choices Hydrogen and Nitrogen Hydrogen and Oxygen Oxygen and Carbon Nitrogen and Argon…

A: During melting, what two principal impurities are introduced into the melt pool when the ladle is…

Q: What are the disadvantages of MIG welding on stainless steels?

A: Before answering above question, we should know the physical and chemical properties of stainless…

Q: Draw the different types of grain configurations (by hand) and write their type of burning.

A: Given question: The different types of grain configurations and their type of burning. The given…

Q: What does liquid-solid phase bonding mean and in which cases is it preferred instead of welding?…

A:

Q: 8) The correct ways to control liquation cracking tendency in fusion weld joint are I. Use of filler…

A: The way of arranging and control liquation cracking tendency in fusion is iii, iv and v

Q: he two most important processes in steelmaking are which of the following (two correct answers):…

A: Due to its exceptional mix of durability, use, and affordability, steel is the most widely used…

Q: Grey cast iron, which contains between 2.5 and 4% carbon, has all or most of its carbon is…

A: We have to choose answer the above question

Q: How does the tempering process effect hardness and ductility of the metal? a) hardness and…

A: Solution:   Note: Dear Student! As per our guidelines, we are only allowed to answer three sub-parts…

Q: A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and…

A:

Q: Which of the following best explains why the exothermic nature of the reaction is important to the…

A: Here option (D), The reaction releases heat, which is then absorbed by the products, so they melt,…

Q: How would you use the principle measure the heat output of something? For design a setup that can be…

A: Whenever two things of differing temperatures come into touch, energy is then transferred from the…

Q: If The melting temperature for an Aluminium alloy is 660°C, then the hot forging temperature range…

A: As per given question  If The melting temperature for an Aluminium alloy is 660°C, then the hot…

Q: Q/ Correct the under line words 14. Al-4%. Mg alloys are produced by extrusion because has high…

A: 1. Al-4% Mg alloy is produced by extrusion because having high strength 2. Mg-Zn-ZR  alloy is not…

Q: Definition of the picture ? The material formed is the name of the metal that has been corroded ?…

A: 1) The picture shows the corrosion of the hexagonal head Bolt 2)Generally iron oxide material…

Q: (c) Two carbon steel workpieces were joined together by welding. The type of joint is butt joint.…

A: It is a production method that generally combines materials, metals, or thermoplastics to melt and…

Corrosion control methods

Corrosion may be defined as the method in which metals are attacked on their exteriors by gases existing in the atmosphere, converting them to their oxides, nitrides, sulfides, etc.