The document Past Year Questions: Bolted, Riveted, And Welded Joint Notes | EduRev is a part of the Mechanical Engineering Course Machine Design.

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Question 1:A 60 mm long and 6 mm thick fillet weld carries a steady load of 15 kN along the weld. The shear strength of the weld material is equal to 200 MPa.

The factor of safety is

[2006]

Question 2:Weldments in fabricated steel be ams are designed for

[1987]

Question 3:A single riveted lap Joint of two similar plates as shown in the figure below has the following geometrical and material details.

width of the plate ω = 200 mm, thickness of the plate t = 5 mm, number of rivets n = 3, diameter of the rivet d_{r} = 10 mm, diameter of the rivet hole dr = 11 M mm, allowable tensile stress of the plate σ_{p} = 200 MPa, allowable shear stress of the rivet σ_{s} = 100 MPa and allowable bearing stress of the rivet σ_{c} = 150 MPa.

width of the plate ω = 200 mm, thickness of the plate t = 5 mm, number of rivets n = 3, diameter of the rivet d

**If the plates are to be designed to avoid tearing failure, the maximum permissible load P in kN is**

[2013]

Question 4:A single riveted lap Joint of two similar plates as shown in the figure below has the following geometrical and material details.

width of the plate ω = 200 mm, thickness of the plate t = 5 mm, number of rivets n = 3, diameter of the rivet d_{r} = 10 mm, diameter of the rivet hole dr = 11 M mm, allowable tensile stress of the plate σ_{p} = 200 MPa, allowable shear stress of the rivet σ_{s} = 100 MPa and allowable bearing stress of the rivet σ_{c} = 150 MPa.

width of the plate ω = 200 mm, thickness of the plate t = 5 mm, number of rivets n = 3, diameter of the rivet d

**If the rivets are to be designed to avoid crushing failure, the maximum permissible load P in kN is**

[2013]

Question 5:A bracket (shown in figure) is rigidly mounted on wall using four rivets. Each rivet is 6 mm in diameter and has an effective length of 12 mm.

Direct shear stress (in MPa) in the most heavily loaded rivet is

Direct shear stress (in MPa) in the most heavily loaded rivet is

Question 6:If the ratio of the diameter of rivet hole to the pitch of rivets is 0.25, then the tearing efficiency of the Joint is

[1996]

Question 7:Pre-tensioning of a bolted Joint is used to

[2018, Set-2]

Question 8:A steel plate, connected to a fixed Channel using three identical bolts A, B and C, carries a load of 6 kN as shown in the figure.

Considering the effect of direct load and moment, the magnitude of resultant shear force (in kN) on bolt C is

Considering the effect of direct load and moment, the magnitude of resultant shear force (in kN) on bolt C is

[2017, Set-2]

Question 9:For the three bolt system shown in the figure, the bolt material has shear yield strength of 200 MPa. For a factor of safety of 2, the minimum metric specification required for the bolt is

[2014, Set-2]

Question 10:A steel bar of 10 × 50 mm is cantilevered with two M12 bolts (P and Q) to support a static load of 4 kN as shown in the figure.

The resultant shear stress on bolt P is closest to:

[2008]

Question 11:A steel bar of 10 × 50 mm is cantilevered with two M12 bolts (P and Q) to support a static load of 4 kN as shown in the figure.

The primary and secondary shear loads on bolt P, respectively, are

Question 12:A bolted Joint is shown below. The maximum shear stress, in MPa, in the bolts at A and B, respectively are

[2007]

Question 13:In a bolted Joint two smooth members are connected with an axial tightening force of 2200 N. If the bolt used has metric threads of 4 mm pitch, the torque required for achieving the tightening force is

[2004]

Question 14:Bolts in the flanged end of pressure vessel are usually pre-tensioned. Indicate which of the following statements is true

[1998]

Question 15:The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to

[1996]

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