Multiple Choice Questions On Welding, Forging and Soldering MCQs. This sets of objective questions or MCQs more focuses on Welding, Forging and Soldering .
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SET 1:-Welding, Forging and Soldering
1. For assembly of electronic components to the printed circuit boards ____method is commonly used
A. brazing
B. soldering
C. welding
D. All of above
Ans. B
2. For assembly of electronic components to the printed circuit boards ____method is commonly used
A. brazing
B. soldering
C. welding
D. All of above
Ans. B
3. Vehicle parts like doors, roofs, fuel tanks, can be produced by___
A. casting
B. sheet metal working
C. forging
D. All of above
Ans. B
4. ___ process is used for manufacturing of drums, pots, vessels, pans etc
A. U-bending
B. V-bending
C. curling
D. angle bending
Ans. C
5. A good weld is as strong as _____
A. electrode material
B. base metal
C. none of the above
Ans. B
6. In mechanical working the flow of metal is ______
A. Electric flow
B. Plastic flow
C. continuous flow
D. all of the above
Ans. B
7. The change in structure from hot working improves mechanical properties like ____
A. ductility
B. toughness
C. resistance to shock and vibration
D. all of the above
Ans. D
8. _____ components are brittle in nature
A. cast
B. forged
C. sheet metal
D. None of above
Ans. A
9. Welding of _____ components is difficult
A. cast
B. forged
C. sheet metal
D. None of above
Ans. A
10. If material is more ____, it can be more cold worked
A. ductile
B. brittle
C. tough
D. stiff
Ans. A
SET 2:-Welding, Forging and Soldering
11. In drop forging the component is produced by _______
A. impact
B. expansion
C. contraction
D. joining
Ans. A
12. In drop forging the hot metal kept on the lower die is called as _____
A. cast
B. pattern
C. sheet metal
D. billet
Ans. D
13. _____ of forged parts is easy
A. casting
B. machining
C. weldig
D. all of the above
Ans. C
14. _____ supply is used for arc welding
A. AC
B. DC
C. AC or DC
D. all of above
Ans. C
15. Electrod metal gets _____ at the weld
A. melted
B. deposited
C. melted and deposited
D. none of above
Ans. C
16. _____ electrodes are used in arc welding process
A. bare
B. coated
C. bare and coated
D. none of above
Ans. C
17. During arc welding process _____
A. welding control is difficult
B. edge preparation is not required
C. good quality welding can be done in any posion
D. all of above
Ans. D
18. ___ are types of Arc welding
A. MIG
B. TIG
C. SMAW
D. all of above
Ans. D
19. ___ is the most versatile welding process which can be applied for thin and thick sections
A. Arc welding process
B. Resistance welding process
C. gas welding process
D. none of above
Ans. A
20. In brazing process
A. strength of joint is less
B. joint can be damaged by under high temperature
C. joint colour is different than that of base metal
D. all of the above
Ans. D
SET 3:-Welding, Forging and Soldering
21. which is metal cutting operation?
A. punching
B. blanking
C. piercing
D. all of above
Ans. D
22. which is metal forming operation?
A. punching
B. blanking
C. piercing
D. drawing
Ans. D
23. Casting process is also called as ______
A. forging
B. founding
C. joing
D. soldering
Ans. B
24. ____ are commonly used joing processes
A. welding
B. soldering
C. brazing
D. all of above
Ans. D
25. Welding produces_____
A. harmful radiations
B. fumes
C. spatter
D. all of above
Ans. D
26. Welding results in _____
A. residual stresses
B. deformation of workpieces
C. metallurgical changes in workpieces
D. all of above
Ans. D
27. ____are important applications of welding
A. aircraft constructions
B. Rail-road equipments
C. Pipelines and piping
D. all of above
Ans. D
28. ____are important applications of welding
A. crankshaft
B. piston and cylinder
C. leaf spring
D. all of above
Ans. D
29. Plastic welding is called as _____welding
A. pressure
B. non pressure
C. fusion
D. none of above
Ans. A
30. ____ process uses closed impression die to obtain the required shape of component
A. hand forging
B. casting
C. drop forging
D. soldering
Ans. C
31. ______ temperature differentiates hot working and cold working
A. heating
B. cooling
C. recrystallisation
D. none of above
Ans. C
32. In drop forging the billet is kept on lower die while the ____ delivers 4 to 5 blows in quick succession
A. anvil block
B. upper die
C. ram
D. wooden board
Ans. C
33. In ____operations the sheet metal is stressed beyond its ultimate strength
A. forming
B. cutting
C. bending
D. drawing
Ans. B
34. In ____operations the stresses are below ultimate strength of the metal
A. forming
B. cutting
C. bending
D. drawing
Ans. A
