In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

In order to avoid tearing off the plate at an edge, the distance from the center of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm)

A

d

B

1.5 d

C

2 d

D

2.5 d

In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to

A

1 d

B

1.25 d

C

1.5 d

D

1.75 d

To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to

A

0.5 d

B

D

C

1.5 d

D

2.5 d

A riveted joint may fail by 1. tearing of the plate at an edge 2. tearing of the plate across a row of rivets 3. shearing of rivets Which of the above are correct?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

The distance between the centre of a rivet hole to the nearest edge of the plate is called

A

Pitch

B

Margin

C

Back pitch

D

None of these

A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)

A

$$\sigma \left( {1 + \frac{{\text{b}}}{{2{\text{a}}}}} \right)$$

B

$$\sigma \left( {1 + \frac{{2{\text{a}}}}{{\text{b}}}} \right)$$

C

$$\sigma \left( {1 + \frac{{\text{b}}}{{3{\text{a}}}}} \right)$$

D

$$\sigma \left( {1 + \frac{{3{\text{a}}}}{{\text{b}}}} \right)$$

Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole and $${\sigma _{\text{t}}}$$ = Permissible tensile stress for plate material)

A

$${\text{pd}}{\sigma _{\text{t}}}$$

B

$${\text{pt}}{\sigma _{\text{t}}}$$

C

$$\left( {{\text{p}} - {\text{d}}} \right){\sigma _{\text{t}}}$$

D

$$\left( {{\text{p}} - {\text{d}}} \right){\text{t}}{\sigma _{\text{t}}}$$

Tearing of the plate between the edges of the plate and rivet-hole takes place when ____________

A

they are near to each other

B

the hole is too near the edge

C

diameter of rivet is too small

D

rivet and plate is of different metals

Statement: Syrian President Bashar al-Assad has revealed during an interview that a direct clash between the US and Russia in Syria was narrowly avoided "by the wisdom of the Russian leadership". Which of the following objection(s) might be a probable reason(s) for such a revelation by Syrian President Bashar al-Assad? I. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". II. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". III. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country". IV. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country".

A

Only II

B

Only I

C

Only IV

D

Only III

E

None of these

Which of the following assumptions are made in the design of rivet joints? A. Rivets are stressed equally B. Stress in plate is maximum at mid-width C. Rivet hole is completely filled by rivet D. Friction between plates is neglected

A

only A

B

A and C only

C

B and D only

D

A, C and D only

In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

Related Questions