AMVI Main 2017

1. 

The neutral axis of the cross-section of a beam is that axis at which the bending stress is : 

2. 

Moment of inertia of quarter circle of radius 'r' about 'x' axis passing through centroid is :

3. 

Thin cylindrical shell of length 'L' diameter 'd' and thickness 't', subjected to internal pressure P. What is the change in length if it is made up of material having modulus of elasticity E and poisson's ratio 'μ' ?

4. 

Angle between major principal plane and minor principal plane for strained body is :

5. 

A steel plate is bent into a circular arc of radius 10 meters. If the plate section be 120 mm wide and 20 mm thick, the maximum stress induced will be : (Take E=2 x 105 N/mm2)

6. 

The ratio of critical load of columns of same dimensions and same material. One is fixed at both ends and other is fixed at one end and hinged at other end :

7. 

Moment of inertia of hollow rectangular section having outer depth 'D' and breadth ‘B' and dimensions of inner rectangle are depth'd' and width 'b' about horizontal axis passing through centroid is :

8. 

The ratio of the largest load in a test to the original cross-sectional area of the test piece is :

9. 

The shear force diagram for a simply supported beam carrying a uniformly distributed toad of w per unit length, consists of:

10. 

The stress at which the extension of the material takes place considerably as compared to the increase in load, is called ;

11. 

The shear stress distribution over a beam cross-section is shown in figure. The beam is of : 

12. 

The relation between Young's modulus (E), shear mod alus (G) & bulk modulus (K) is given by :

13. 

What is the shape of shearing stress distribution across w rectangular cross-section beam ?

14. 

A beam has triangular cross-section having base b & altitude h. If the section of beam is subjected to a shear force F, the shear stress at the level of neutral axis in the cross-section is given by :

15. 

What is the ratio of maximum shear stress to average shear stress in a beam of circular section ?

16. 

Defect such as slight eccentricity, a wavy surface, or a slight taper caused by previous operations can be corrected by :

17. 

Chipping of tool may occur due to :

(a) tool material is too brittle

(b) As a result of crack that is already in the tool 

(c) Excessive static loading of the tool 

(d) Weak design of tool, such as high positive rake angle 

Answer Options :

18. 

'Microstoning is the following type of operation :

19. 

In orthogonal cutting system the cutting edge is :

20. 

Colour code for part to be machined for wooden patterns is represented by following colour :

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