Welding Principles and Applications Chapter 12 Review Questoons
Welding Quiz Questions and Answers – Manufacturing Backbone
Welding techniques play an essential role in many industries. It helps joint together thermoplastic or metal parts, thus opening up the opportunities for more creating and repairing products. No matter if y'all are a technical expert or but want to know more virtually this process, these welding quiz questions and answers tin aid you lot improve your noesis. Let'southward check it out.
Welding Quiz Questions and Answers
ane. The MIG welding process is also known as …
A. Gas metal arc welding
B. Flux cored arc welding
C. Self-shielded welding
ii. When was welding techniques discovered?
A. In aboriginal times
B. In the Heart Ages
C. In the Industrial Revolution
iii. Which is the most unsafe occupational take chances occurring to welders?
A. UV radiation
B. Metal fumes
C. Cuts
4. What is the process of penetrating excessively in a localised metal expanse?
A. Under-cutting
B. Burn-through
C. Slope
5. In most cases, where should we place the ability source of welding?
A. In a well-ventilated, uncluttered area
B. In an enclosed area
C. In the centre of the space
6. Dirt and moisture accumulated on the wire electrode's surface might cause …
A. Cold lap
B. Porosity
C. Electrical daze
7. In metal arc welding processes, what are the temperatures of the negative and positive electrode?
A. 2400°C and 2500°C
B. 2500°C and 2400°C
C. 2500°C and 2500°C
viii. Which of the post-obit sources can result in chancy chemical fumes when welding?
A. Anti-spatter nozzle sprays
B. Chlorinated degreasing solvents
C. Inert shielding gases
9. How many kinds of welding are there?
A. 10 to 20
B. 40 to 50
C. seventy to 80
10. Stubbing in welding is often caused by which factor?
A. Excessive resistance
B. Excessive voltage
C. Excessive wire feed speed
11. When you increase stick-out, how volition penetration change?
A. Increase
B. Subtract
C. Stable
12. Which of the following organisations introduce written specifications for gas metal arc welding filler metals?
A. CSA and WCB
B. CSA and AWS
C. CWB and AWS
thirteen. Excessive buildup of spatter in the gun nozzle would cause which of the following issues?
A. Undercut on the weld edges
B. Insufficient gas coverage
C. A rise in stick-out
fourteen. TIG is i of the 3 basic kinds of welding. What does TIG represent?
A. Tungsten Inert Gas
B. Tungsten In Gas
C. Tungsten Inside Gas
15. What could be a upshot of a poor connexion of work lead?
A. Unstable arc
B. Excessive penetration
C. Unexpected wire feed speed
16. In what position a gas catamenia meter should exist gear up up?
A. Horizontal
B. Vertical
C. At a 45-degree angle
17. What is a flowmeter mainly used in welding?
A. Ensure a stable gas menstruation
B. Ensure a stable gas pressure
C. Lower source pressure
18. Helium and argon are often used in welding. Which type of gas are they?
A. Explosive gases
B. Ionized gases
C. Inert gases
19. What practise we phone call a metallic deposit left on the material after a welding process?
A. A crater
B. A puddle
C. A dewdrop
xx. What is the main purpose of adding 1 to 5 per cent of oxygen to argon shielding gas?
A. Lower welding expenses
B. Enhance wetting action
C. Minimise splatter
21. In carbon arc welding processes, which of the following gases is used every bit protection?
A. Methane
B. Carbon dioxide
C. Carbon monoxide
22. Which sign indicates a hazard in welding?
A. Triangular on a yellow background
B. Circular on a red background
C. Triangular on a blue background
23. Argon is a better shielding gas than CO2 because information technology allows the application of …
A. Spray metal transfer
B. Globular metal transfer
C. Short-circuit metallic transfer
24. Wires are kept in sealed containers primarily to provide protection against …
A. Transportation damage
B. Fumes and smoke
C. Moisture contamination
25. What is the natural twisting process of the wire during the germination?
A. Curling
B. Spiraling
C. Helix
26. Excessive drag due to a dirty liner would crusade which of the post-obit issues?
A. Excessive undercut
B. Cracking or porosity in the weld
C. Bird nesting or slippage
27. In a GMAW process, what is needed for the use of shielding gases?
A. Good lighting
B. Adept middle protection
C. Adept ventilation
28. Emissions of loftier ultraviolet radiation from GMAW processes would pb to atmospheric oxygen in the proximity of the arc to transform to which gas?
A. Ozone
B. Carbon monoxide
C. Carbon dioxide
29. What is the chief function of carbon in carbon arc welding?
A. To produce more heat at the electrode tip
B. To reduce heat at the electrode tip
C. To provide coating
thirty. Which of the post-obit materials can't be used in a carbon arc welding procedure?
A. Copper
B. Aluminium
C. Iron
31. Which bead grapheme is the result of too high current in welding?
A. Excess splatter
B. Metallic pilling
C. Weld metal pilling
Welding processes can be complicated, merely they are important in the modern world. These questions encompass the basics that you should know well-nigh this engineering science. If you are looking for a similar exam, then effort this ane on some dirty questions.
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