Welding 100 Important Questions Answer
1. TIG is used as welding electrode - Tungsten
2. What type of action is the gas cutting - Chemical
3. Electrode Holder is made. - of copper
4. The arc to be used in electric arc welding is low voltage high current discharge
5. While doing arc welding, small particles of metal that are scattered around here are called. - Spatters
6. Between the sides of the plates in the butt joint, with each other ....... Are kept. -Â Flat
7. Plates in the lap joint are kept .......... Each other. -Â Â Â Â Â Â Â Â Â Â Up
8. In the T-Joint, the plains to each other ....... Are placed at an angle - 90 °
9. Melting point of the copper and the brass of the bronze - 1083 ° C 950 ° C
10. The length of the hose pipe should be minimized. - 5 meters
11. The temperature of the heat generated by the arc is approx. - 3400 ° C
12. The layer of hard metals is called on the surface of the metal. - High Facing
13. Gas welding has the colour of oxygen cylinder. -Â Â Â Â Â Â Â Â Â Â Black
14. Before burning the flame, the gas is released. - Acetylene
15. When finished gas welding in the blow pipes ...... .. gas should be closed first. - acetylene
16. The oxygen cylinder valves in the valve. - Right Hand Right Hand
17. Acetylene has a chemical formula. - C2H2
18. Filler rod for stainless steel is - Stainless steel
19. Oxygen cylinder contains gas pressure - 120 to 150 kg / cm2
20. It is in acetylene cylinder - 15 to 16 kg / cm2
21. Which metal filler rod is used to cast cast iron? - Super silicon cast iron
22. The temperature of the forge welding occurs. - 1200 ° C
23. Blow pipe is placed at the angle of brass for welding. - 60 ° -70 °
24. Flame is used for brass welding. - Oxidising
25. Argon gas cylinder has a colour. -Â Â Â Â Â Â Â Â Â Â Blue
26. Oxy-acetylene gas welding is known as ....... - Fusion method
27. Hydrogen cylinder has colour. -Â Red
28. There are bangles in acetylene and coal gas cylinder - left hand Left hand
29. The size of the pipe is taken - from its inner diameter
30. The size of the tube is taken - from its outer diameter
31. Used for catching hot jobs - Tongs
32. Welding is the ray which emerges in the action which is harmful to the eyes - Ultraviolet rays
33. Which type of method is used to connect with nuts and bolts - Temporary
34. Marking on which section from B block - Cylindrical
35. Carbon carbon is the percentage of low carbon steel - 0.10 percent to 0.30 percent
36. Which color of pipe is fitted for acetylene cylinder - Red
37. What are the main parts of oxyacetylene flame - Three parts
38. Which gas is used in the form of fuel gas in the Oxy acetylene cutting torch - Acetylene
39. Which type of cylinder is used for running electrode in press type welding machine
Used - Hydraulic
40. Which of the reasons why we did not meet the pinged base metal and filler metal while welding?
Dosage - Lack of Fusion
41. Electrode is made in plasma art spraying - Cathode
42. TIG welding is the gas used as an inert gas - Argon helium
43. Which power is used in TIG welding - AC & DC
44. Gas flame does not run continuously uniformly Which defect is - Flame vibrations
45. What is the reason for the sound of peat-peat from flame - Popping
46. ​​According to SI, the electrode displays the first digit - Types of flux
47. The electrode is caught in the electrode holder from which part - without coating part
48. The flat sandasi is used for the purpose - Rectangular
49. By the pressure by which the metal is added to the resistance welding
50. Damage occurs due to excess melting of base metal – under cut
51. The size of the welding machine is taken - from the output ampere
52. The size of the electrode is given - from the diameter of the core wire
53. Which metal of filler rod is used when doing wrought iron? - Copper layer climbing mild steel
54. Pre-heating requirement in brow welding.
does not happen
55. Due to the large holes in the form of bubbles which remain in the solid at the Wald Vanguage while remaining in solid form
Are born, what they call - blow hole
56. Which flux is used for copper welding - Copper silver
57. Mild steel is used for welding - Neutral flame
58. The welding symbol is detected by - type of joint and weld finish
59. D.C. At least how much voltage is needed to create an arc in welding - 40 volts
60. D.C. Welding Generator has the ability to give ampere rates - 20-1000 amperes
61. What is the function of the fan in welding - to cool the generator
62. How to pipe welding - From Bottom to Top
63. How many degrees of angle is used to run the bead in arc welding - 60 °
64. What is the diameter of the electrode in the arc welding? Should be less than - 10 mm.
65. If the length of the part decreases after welding, then what is it called - Longitudinal Distortion
66. Which error arises when there is no right angle of electrode while welding - over lap
67. Which defect arises in the Wald due to the absence of the original metal?
68. What kind of tarts are used in Tungsten Enert Gas Welding - A.C. Or D.C.
69. Oxy-acetylene gas welding is known as the method - Fusion method
70. Gas Cutting is an Action - Chemical
71. When the amount of carbon in the steel grows, the steel fluctuation increases -
72. What temperature should be pre-heating before cutting the steel gas - 900 ° C
73. Out site caliper is a tool - indirect measurement
74. What is the first digit based on the digit code - the type of flux
75. When was the search for electric arc - in 1801 AD
76. Which electrode holder is made of - Copper
77. Who use to catch hot jobs - Tong
78. How many degrees of elvo joint is - 90 °
79. Small diameter pipes are cut by whom - by cutter
80. How is the acetylene produced in low pressure system - Affordable
81. Which flame is used on Ferrous Metal Copper Aluminium - Neutral Flame
82. Which flame is used for cutting operation - Oxidizing flame
83. There is resistance welding process up to 8 mm thickness for welding ferrous and non-ferrous metal. - Spot Welding
84. A welding technique that converts AC into DC - Rectifier
85. SWG stands for - Standard Wire Gauge
86. AWS means - American Welding Society
87. The distance between the two moving part is called - the root gap
88. Forging the two pieces of metal by heating it on the forge welding heat, by giving heavy pressure - the forge welding
89. Which part of Oxy's Acetylene is the highest temperature - Inner Trees
90. Welding is a type of fastener - Permanent
91. Used in the welding shop, Cheljal - cold cheesle
92. Chisel looks like - Connex
93. In which welding, two different types of metal are added, in which the metal to be added is less than the melting point of the metal which adds the melting point - the heterogeneous welding Heterogeneous welding
94. In which type of welding, two same types of metal and are connected to the same metal film Road or Welding Road - Samangi Welding
95. For the Loftword Welding Techniques - Forward
96. Rightword welding technique is called - backwards
97. When another plate is added between the plato, then it is called the addition - T added
98. Base metal or complementary metal is called melting action together - fusion
99. What kind of electrodes do TIG welding use - Tungsten
100. How are the pipes welded up - down from the top
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