The shielding gas used on carbon steel is ____.  A. Helium  B.Argon  C. Argon, or a mixture of argon and helium  D. Carbon dioxide, or a mixture of Carbon dioxide and argon  Welding shielding gases

Q: List the procedures used when setting up, igniting, andusing an air-acetylene unit.

A: The procedures used when setting up, igniting, and using an air-acetylene unit are given as under,

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: Two stainless steel foils of 0.2 mm to be joined. Which of the following process is best suited? MIG…

A: The correct answer is plasma arc welding.    Welding of stainless steel foils of 0.2 mm require…

Q: Briefly explain the gas welding process with a neat diagram.

A: Gas welding : Gas welding is a welding process that melts and joins metals by heating them with a…

Q: Which process does not involve latent heat O Fusion O Vaporisation Sublimation none of the above

A: Given data To select the correct option.

Q: a) Why should check-valves be fitted to gas welding torches? b) Why should fuel tanks be…

A: (a) Check valves are used as to prevent gasses from mixing upstream of them. As, when a flammable…

Q: Match the following with the correct terms Heating ores to about 2,000*F to separate the metal from…

A: Given question is related to material science and manufacturing engineering. It relates to various…

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: 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: What is missing below in order to satisfy the conditions necessary in order to cut when using an…

A: What is missing below in order to satisfy the conditions necessary in order to cut when using an…

Q: A visual check during electric welding includes? a. Strength of joint b. Cable inspections c.…

A: Option d is correct.

Q: What type of insulation is used in modern freezers? b) Which is the most sensitive detector?

A: Polyurethane rigid foam is the insulating material that is most widely used throughout the world…

Q: Enumerate Personal Protective Equipment for Welding Activity

A: The welding process is used for joining two metal by application of heat and pressure. During…

Q: Describe FIVE (5) major hazards and precaution measures of Electric Shock during performing Arc…

A: 1. Exposure to Fumes and Gases Pneumonia Regular exposure to welding fumes and gases can result in a…

Q: why must the tip of the tungsten be hot?

A: Given : Tungsten Tip

Q: Which one of the following welding processes is suitable to weld bimetallic strips for measuring…

A: (1) Ultrasonic welding is used to weld very thin metal pieces. For instance it is used to weld the…

Q: Outline the safety procedures of Personal Protective Equipment that an operator/worker needs to…

A: Safety measures are mentioned under:

Q: Identify the wrong statement from the following O The radiation and hotness produced during welding…

A: [ 1  ]  REQUIREMENT OF WELDING ARE GOOD SHOES WITH RUBBER SOLE ,SO THAT TO AVOID SLIPPING . GOOD…

Q: What is Metal Panel Cladding.

A: Given Metal panel cladding To find Definition

Q: It is appropriate to roll your pants and sleeves up when welding to avoid overheating True False 00

A: Clothing used during welding must cover the body with sufficient coverage so as to protect the skin…

Q: Why is it unsafe to carry butane lighters or matches inyour pockets while welding?

A: Because welding cylinders quickly catch fire, one should take care not to use butane lighters when…

Q: • In multiple-type combustors, each combustor has a fuel supplier and an ignitor. ENGA a. Correct.…

A: To State whether the given statement i.e in multiple-type combustor, each combustor has a fuel…

Q: d.2. Which of the following types of grounding electrodes was one of the first grounding electrodes…

A: Answer: (2) (D) Rod and pipe    Answer: (3) (D) To safeguard against electrical hazards.

Q: Which of the following gases are most frequently used as shielding to provide an inert atmosphere in…

A: It is required to choose correct option

Q: It prevent knocking because fuel with greater octane number has lower flame speed  True False

A: It prevent knocking because fuel with greater octane number has lower flame speed  True False

Q: The energy released from nuclear fuel is due to Select one: a. Fission b. Evaporation c. Fusion d.…

A: Correct option: a) Fission

Q: Butane gas is used in gas welding process. Select one: True False

A: Gas welding is the process that melts and joins metals by heating them with heat caused by gas and…

Q: How set up electric welding machine, prepare electrode, workpiece and equipment auxiliaries used in…

A: Welding is a manufacturing method that involves fusing two or more pieces together using heat,…

Q: What would operating an engine with 100% water in the cooling system cause? Select one: a. Corrosion…

A:

Q: how to weld tool steel with the oxyfuel process

A: Oxy-fuel process: Oxy-fuel welding includes those welding operations which use the combustion of a…

Q: Match the following. Oxidizing Choose... flame Neutral Choose... flame

A: There are 3 types of flames in welding. 1) oxidising flame  2) carburizing flame  3) neutral flame

Q: Which of the following material cannot be used as a moderator? Option 1: Graphite Option 2: Heavy…

A: Moderator is used to slow down the fast-moving neutrons in a nuclear reactor. Deuterium

Q: Gas welding is a fusion welding process. Select one: True False

A: Given Data : Gas Welding fusion welding process

Q: It appropriate to roll your pants leg and sleeves up when welding to avoid overheating. True False

A: Clothing to be used during welding must have sufficient coverage over the body and must be made of…

Q: What the differences between from the following: -Natural and refinery gas -Thermal and catalytic…

A:

Q: Which among the following gas welding flame is used for welding Zinc and its alloys? a. Oxidizing…

A: Oxidising flame is produced when the amount of oxygen supplied is more than the one volume of 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: What is energy conversion used for ؟

A: Energy is present in many forms all around us such as electrical, kinetic, thermal, potential, and…

Q: Identify any five applications of the following workshop practices. Welding Soldering Brazing

A: A metal joining process is a method of joining two or more metals with or without the use of heat,…

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: performing

A: 5 Precautions during welding 1 During welding make sure the welder is properly installed and…

Q: In Basic Occupational Safety and Helth    Describe the Chain Reaction that is triggered when fire…

A: Given question: Describe the Chain Reaction that is triggered when fire has started.

Q: 31 How can we prevent and control noise pollution in the workplace?

A: Noise pollution:  An excessive unwanted sound which have harmful effects on human health and…

Q: Which of the following is not a general safety practice you should follow when using welding…

A: Which of the following is not a general safety practice you should follow when using welding…

Q: 168) Which is one of the areas where Tungsten is used? A) light filament B) prosthetic implant C)…

A: Tungsten is used :

Q: type of electric welding workpiece used in welding,(Electric welding)

A: Types of workpiece used is -

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.