ITI Welder MCQ important Question paper English 2023
* Multiple Choice Questions: –
1. The melting of base metal or complementary metal together is called?
• fusion
• Forge
• Solid
• arc
answer. Fusion
2. The welding set used in electric arc welding is called?
• DC. Generator set
• A.C. Rectifier set
• DC. Rectifier set
All these
answer. All these
3. To what temperature should one pre-heat the job for welding of medium carbon steel?
• 100-200 ° C
• 150–250 ° C
• 200-250 ° C
• 300-400 ° C
answer. 150-250 ° C
4. Which of the following welding equipment is there?
• Steel Rule
• Hammer
• Tri Square
All these
answer. All these
5. The following method is used for welding of aluminum?
• Oxy-acetylene welding
• Metal inert gas welding
• tungsten inert gas welding
All these
answer. All these
6. Which of the following is the method of joining the Walden metal blocks?
• temporary method
• Permanent Law
• semi-permanent method
None of these
answer. Permanent law
7. Which gas is used in cutting blow torch?
• pure oxygen
• pure helium
• pure hydrogen
• pure nitrogen
answer. Pure oxygen
8. By which method are ferrous and non-ferrous metals easily welded?
• Metal inert gas welding
• Resistance Welding
• tungsten inert gas welding
• Hydrogen arc welding
answer. Metal inert gas welding
9. Stainless steel eletrode does not have any coating?
• Lime
• Titanium
• Both A and B
None of these
answer. Both A and B
10. In electron beam welding the distance between the surfaces to be added is mm?
• 0.050 – 0.075
• 0.025 -0.050
• 0.010–0.050
• 0.075–0.090
answer. 0.050 – 0.075
11. Spot Welding Which of the following types of weldings are there?
• pressure
• volume
• fusion
• arc
answer. Pressure
12. Bal Pean Hammer is used?
• For spherical surfaces
• For flat surfaces
• For hollow surfaces
All these
answer. For spherical surfaces
13. In electrode light coating, which substance mainly acts as winder?
• sodium silicate
• potassium silicate
• Both A and B
None of these
answer. Both A and B
14. What is the welding method used to connect studs to a plate?
• Stud Welding
• friction welding
• thermite welding
• arc welding
answer. Stud welding
15. What is the melting point of solder used for zinc?
• 200 ° C
• 202 ° C
• 204 ° C
• 205 ° C
answer. 202 ° C
16. The pre-heating temperature is kept at approximately K ° C before cutting the plate?
• 100
• 500
• 700
• 900
answer. 900
17. MIG is the name of inert gas used in welding?
• CO2
• NH
• C, H
• H
answer. CO2
18. A.C. Transformers are manufactured for which type of supply?
• Single Phase
• Three Phase
• Both A and B
None of these
answer. Both A and B
19. Name the method of plasma arc welding?
• Non Transfer Plasma Arc Process
• Transfer plasma arc process
• Both of the above
None of these
answer. Both of the above
20. What is called the force generated by the mobility of an electron.
• electromotive force
• electron force
• Restoring Force
None of these
answer. Electromotive force
21. Which are the following types of non-pressure welding?
• Gas Welding
• arc welding
• thermite welding
All these
answer. All these
22. The process of joining two homogeneous metal pieces by the complementary metal of an homogeneous metal or adding the homogeneous pieces of two homogeneous metals by the complementary metal of an homogeneous metal is called?
• Auto-Genius Welding
• heterogeneous welding
• fusion welding
• pressure welding
answer. Pressure welding
23. Hexa has a standard length of mm?
• 250
• 400
• 450
• 500
answer. 250
24. Engine generator set is run by whom?
• Lightning
• diesel
• petrol
• Kerosene
answer. diesel
25. A.C. Which method is used to control the current in the transformer?
• Changing the position of the plug
• Move iron core
• Magnetic Shunt Control
All these
answer. All these
ITI Welder MCQ important Question paper English 2023
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