The area moment of inertia of inertia about the neutral axis of a cross-section at a distance x measured from the free end is

1.  bxt3/61

2.  bxt3/121

3.   bxt3/241

4.  xt3 /12

View Answer  
4
Correct Answer :

bxt3/121


Explanation :
No Explanation available for this question

The maximum deflection of the beam is

1.  24P13/Ebt3

2.  12P13/Ebt3

3.  8P13/Ebt3

4.  6P13/Ebt3

View Answer  
4
Correct Answer :

6P13/Ebt3


Explanation :
No Explanation available for this question

A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1% and the thickness is reduced by 1% with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is

1.   0

2.   1

3.  1.08

4.  2.02

View Answer  
4
Correct Answer :

2.02


Explanation :
No Explanation available for this question

A long thin walled cylindrical shell-closed at both the ends, is subjected to an internal pressure. The ratio of the hoop stress (circumferential stress) to longitudinal stress developed in the shell is

1.  0.5

2.  1.0

3.  2.0

4.  4.0

View Answer  
4
Correct Answer :

2.0


Explanation :
No Explanation available for this question

If the length of a column is doubled, the critical load becomes:

1.  1/2 of the original value

2.  1/4 of the original value

3.  1/8 of the original value

4.  1/16 of the original value

View Answer  
4
Correct Answer :

1/4 of the original value


Explanation :
No Explanation available for this question

For a long slender column of uniform cross section, the ratio of critical buckling load for the case with both ends clamped to the case with both ends hinged is

1.  1

2.   2

3.  4

4.  8

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

A column has a rectangular cross-section of 10 mm x 20 mm and a length of 1m. The slenderness r ratio of the column is close to

1.  200

2.  346

3.  477

4.  1000

View Answer  
4
Correct Answer :

346


Explanation :
No Explanation available for this question

For a long slender column of uniform cross section, the ratio of critical buckling load for the case with both ends clamped to the case with both ends hinged is

1.  1

2.   2

3.  4

4.  8

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

Two threaded bolts A and B of same material and length are subjected to identical tensile load. If the elastic strain energy stored in bolt A is 4 times that of  bolt B and the mean diameter of bolt a is 12 mm, the mean diameter of bolt B in mm is

1.  16

2.  24

3.  36

4.  48

View Answer  
4
Correct Answer :

24


Explanation :
No Explanation available for this question

For a ductile material, toughness is a measure of

1.  Resistance to scratching

2.  Ability to absorb energy up to fracture

3.  Ability to absorb energy till elastic limit

4.   Resistance to indentation

View Answer  
4
Correct Answer :

Ability to absorb energy up to fracture


Explanation :
No Explanation available for this question
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