Which among the following gas welding flame is used for welding Zinc and its alloys? a. Oxidizing Flame O b. Natural Flame O c. Reducing Flame O d. Carburizing Flame

Q: In oxy-acetylene welding, the oxygen cylinder is usually painted in which color? Black В. Red White…

A: As per given question  In oxy-acetylene welding, the oxygen cylinder is usually painted in which…

Q: Identify the Gas welding flame, in which the quantity of oxygen is more. select one: Arc welding…

A: Basics of Gas welding.

Q: When welding for appearance and structure the following process should be used:   MIG Spot /…

A: When welding for appearance and structure the following process should be used:

Q: When the welding electrode coated by flux the welding process called : O Shielded Metal Arc Welding…

A: Given: WHEN THE WELDING ELECTRODE COATED BY FLUX THE WELDING PROCESS CALLED:

Q: QUESTION 8 Oxyacetylene welding can be used for cutting metals with the same welding torch True…

A: Gas welding: It is a permanent joining process which melts the metal joints with the help of heat…

Q: Mechanical assembly is carried using ___________ components. a. Nuts and bolts. b. Gas welding c.…

A: Mechanical assembly  means joining of two or more parts together. In other words Mechanical assembly…

Q: Which one of the following is not a fusion welding process? (a) Gas welding (b) Arc welding (c)…

A: In fusion welding,  the parent metal melts for forming a joint. In non fusion welding,  the parent…

Q: 33- Which one of the followings is not used for heating the joining materials for soldering and…

A:

Q: what setting needs to be adjusted before welding?

A: Setting needs to be adjusted before welding :-

Q: 31 Which one of the following process is classified as solid state welding? a) laser welding b)…

A: Solid state welding: It is a welding process, in which two work pieces are joined under a pressure…

Q: Thermit, used in thermit welding is, a mixture of: O Charcoal and aluminum Charcoal and iron oxide O…

A: Thermit is the raw material used in connecting conductors and provide mechanical strength and…

Q: Which of the following material cannot be used as a moderator?

A: A moderator is a medium that will reduce the speed of fast moving neutrons

Q: Why must cast iron weld metal be ductile

A: Cast iron is the alloy of carbon and iron. Cast iron has high hardness due to presence of high…

Q: Identify the Gas welding flame Normal Flame Carbursing flame Arc welding flame Oxidizing flame

A: As, neutral flames have small inner cone with Outer Envelope like the figure given..

Q: 1) Which of the following processes can be used as alternative technique for joining aluminium and…

A: The main difficulty that occurs in aluminium and it alloy welding is that oxide layer formed which…

Q: Identify the Gas welding flame   Arc welding flame Oxidizing flame Carbursing flame Normal…

A:

Q: Question: Which of the following material cannot be used as a moderator? Option 1: Graphite Option…

A: Answer: The correct answer is option 3 : Beryllium.

Q: The shielding gas used on carbon steel is ____.  A. Helium  B.Argon  C. Argon, or a mixture of…

A: The shielding gas used on carbon steel is CO2, or a mixture of CO2 and Argon option D will be…

Q: dentify the Gas welding flame Carbursing flame Arc welding flame Neutral Flame Oxidizing flame

A: The white flame indicates the Neutral flame  The redflame indicates the carburizing flame  The blue…

Q: Which of the following  welding processes does not use consumable electrodes? a. Gas Welding b.…

A: Which of the following  welding processes does not use consumable electrodes? a.Gas Welding…

Q: 19)Thermit welding is a O Resistance welding OSolid-liquid state welding O Fusion welding O Forge…

A:

Q: In gas welding, the temperature at the core of the flame is _______________  .   3000 º C   30 º…

A: Gas welding is a welding process which joins the metal parts by heating them with a flame which is…

Q: State three engineering assumptions to calculate kinematics and dynamic properties of the mixture of…

A: Welding fumes are made up of a complex combination of metals, metal oxides, silicates, and…

Q: 39 - Characteristics of a good brazing flux include: 1. low melting temperature II. low viscosity so…

A: Correct option is C )

Q: a. electron beam welding b. gas metal arc welding - c. diffusion welding d. plasma arc welding e.…

A: All except diffusion welding process is related to the fusion welding.

Q: ndividual weld nuggets formed are s to form a sealed seam. The powe ated that goes into the…

A: given:thickness t=5mmE=2.9J/mm3current I=6000At=0.3secdw=6mmtw=3mm

Q: In brazing process the joint strength is a welded joint. * generally Equal to Larger than None of…

A: There are different types of weddings like Gas wells, Arc welding , Chemical welding etc.. The…

Q: (b) Describe the principles of following welding methods. (i) (ii) (iii) (iv) MIG welding TIG…

A: GIVEN-            TOPIC WELDING PROCESS FIND- PRINCPLES OF DIFFERENT WELDING PROCESSES        I -…

Q: The product of mixed acetylene oxygen and burned at the tip of the welding torch are *

A: there are two processes, Primary combustion - occurs in inner envelope. Secondary combustion -…

Q: Question: Which of the following material cannot be used as a moderator?

A: To select the correct option.

Q: Application areas of some welding methods are given below. Match the welding method with the given…

A: A. Root pass welding of reactive materials B. Thin-Walled pipe welding C. In the production of…

Q: explain four (4) characteristics of acetylene. b) discuss the characteristics of oxy-acetylene…

A: Answer (a) Characteristics of acetylene: The acetylene is non-toxic, odorless and colorless. The…

Q: 18. Spot welding is classified as: A. Thermit Welding B. resistance welding C. Friction welding D.…

A: Spot welding is classified as resistance welding

Q: Which of the following is not a commonly used flux in welding process? O Potassium Boron O Sodium O…

A: Flux is used in Welding process in order to avoid oxidation  of base metal that is to be weld. And…

Q: what welding machine leads or type of torches need to be deployed before welding?

A: A welding torch is utilized in a programmed welding framework to coordinate the welding anode into…

Q: The major difficulty during welding of aluminum

A: Given; The major difficulty during welding of aluminium is;Where, Welding process of aluminium is;…

Q: Which of the following metals will expand more with increase in temperature? O a. Mild steel O b.…

A: when an object is heated or cooled its length change by an amount proportional to the original…

Q: Which welding process is depicted? a. electron - beam welding O b. friction welding O c. resistance…

A: A welding arrangement is given in figure in which a power supply unit is shown which is connected to…

Q: In gas welding, the oxygen- acetylene gases are mixed in_- a. Hose b. Nozzle c. Torch d. Pressure…

A: The process of combustion with oxygen O2 and Acetylene C2H2 is called the oxyacetylene welding…

Q: Discuss briefly resistance welding give it area of application and it's merits

A: Discussing briefly resistance welding gives it an area of application and its merits.

Q: Select an appropriate electrode and flux of Submerged Arc Welding (SAW) process for nickel alloy…

A: following is the answer for above question.

Q: 17)Which is/are correct statement about the Thermit Welding process? Exothermic Reactions OIt is…

A: Thermit welding process is also called as exothermic welding because it generates heat through…

Q: Provide and illustrative example, then indicate the parts and function of the furnace

A: A furnace is a device that produces and transfers heat to materials with the goal of causing…

Q: What properties of a metal can be affected by the choiceof welding process?

A: In the welding process, most of the properties of the metal are affected, While welding the material…

Q: Which one of the assembly processes does not require metal fusion?         a)Gas welding…

A: In adhesive welding, it is not required to melt and fused together.

Q: Question No. 19 Steel is classified as Special purpose and Thermosetting Plain carbon steel and…

A: Correct Option: Plain carbon steel and alloy steel.

Q: Among the list which metal seems to corrode (a) quickest (b) slowest? Are there any exceptions to…

A: Corrosion of metals occurs when almost complete or entire surface of metal get oxidized and damaging…

Q: In gas welding process, which among the following type of flame where Acetylene is in excess…

A:

Q: The welding area is well ventilated to avoid ……………     Suffocation     Electrocution     Skin…

A: Welding safety measures are designed to protect workers from hazards present during welding…

Joining Processes

It is the process of permanent or temporary joining of two metal pieces with the help of heat or pressure. Two metal parts are assembled by applying an energy source for the formation of a single unit. The obtained joined metals cannot be fragmented easily with the application of any force.