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Welded Joints MCQ Questions - Machine Design

Welded Joints MCQs : Here you will find MCQ Questions related to "Welded Joints" in Machine Design. These Welded Joints MCQ Questions Will help you to improve your Machine Design knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.




Question 1

Welding processes involving only heat and no pressure are called the?

A. Electric arc welding
B. Electric resistance welding
C. Fusion welding processes
D. Forge welding

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Question 2

Gas welding has a gas temperature of about ________.

A. 3100’C
B. 3200’C
C. 3300’C
D. 3400’C

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Question 3

__________ can be easily automated and hence is used in automobile sector.

A. Forge welding
B. Electric arc welding
C. Gas welding
D. Electric resistance welding

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Question 4

Hard peening is?

A. Hammering the weld across the length while the joint is hot
B. Hammering the weld along the length while the joint is hot
C. Hammering the weld along the length while the joint is cold
D. Hammering the weld across the length while the joint is cold

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Question 5

Which of the following is true?

A. Themit consists of a finely divided mixture of iron oxide and copper.
B. The capacity of welded structures to damp vibrations is quite good.
C. All welding processes require pressure along with heat.
D. None of the above

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Question 6

Rails in the field are generally welded by using

A. Thermit welding
B. Gas welding
C. Electric arc welding
D. Forge welding

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Question 7

Find the thickness of the weld if P=8kN and permissible shear stress in the welds is 100N/mm²

A. 4 mm
B. 5 mm
C. 6 mm
D. 7 mm

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Question 8

What kind of stresses does the welded joint undergo?

A. Torsional shear stress
B. Direct shear stress
C. Both A and B
D. None of the above

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Question 9

Gas welding has a arc temperature is about 40000’C.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 10

Forge welding involves heating of parts to elastic stage and joint is prepared by impact force.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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