In order to produce bending and shear stresses of equal magnitudes at the extreme fibres of a circular cross- section under the action of combined bending and torsion, the ratio of bending to twisting moments must be

1.  1/4

2.  1/2

3.  1

4.  2

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4
Correct Answer :

1/2


Explanation :
No Explanation available for this question

A simply supported beam of length 3 m carries a concentrated load of 12 kN at a distance at 1m from left support. The maximum bending moment in the beam is

1.  12 kNm

2.  24 kNm

3.  8 kNm

4.  16 kNm

View Answer  
4
Correct Answer :

8 kNm


Explanation :
No Explanation available for this question

A column ABCD of rectangular section is subjected to an eccentric load at Z as shown in the given figure: Under the compressive load, the direct stress is 400 t/m2 and bending stresses are σxx = ±1200 t/m2 σyy = ±800 t/m2 The stress at the corner A will be

1.  800 t/m2 (compressive)

2.  1600 t/m2 (tensile)

3.  800 t/m2 (tensile)

4.  2000 t/m2 (compressive)

View Answer  
4
Correct Answer :

800 t/m2 (compressive)


Explanation :
No Explanation available for this question

A beam of circular cross-section of diameter ‘D’ is subjected to an eccentric compressive load of eccentricity ’e’. In order that the tensile stress induced is zero, the limiting region for application of the load should be the shaded concentric circle of diameter

1.  d/3

2.  d/4

3.  d/6

4.  d/8

View Answer  
4
Correct Answer :

d/4


Explanation :
No Explanation available for this question

For the frame shown in the figure, the maximum bending moment in the column is

1.  Zero

2.  400  kN.m

3.  100  kN.m

4.  200  kN.m

View Answer  
4
Correct Answer :

400  kN.m


Explanation :
No Explanation available for this question

A two- span continuous beam ABC is simply supported at A and C and is continuous over support B. Span AB = 6m, BC= 6m. The beam carried a u.d.l of 2t/m over both the spans. EI is constant for the entire beam. The fixed end moment and B in span BA or BC would be

1.  12 tm

2.  9 tm

3.  8 tm

4.  6 tm

View Answer  
4
Correct Answer :

9 tm


Explanation :
No Explanation available for this question

ABCD is a beam of length 5L which is supported at B and C and having two equal overhangs AB and CD of length 2 L each. It carries a.u.d.l of intensity p per unit length throughout the beam as shown in the given figure The points of contrafluxure will occur

1.  at B and C

2.  at the mid –point of BC

3.  nowhere in the beam

4.  at the mid- point of AB and CD

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4
Correct Answer :

nowhere in the beam


Explanation :
No Explanation available for this question

The outside diameter of a hollow shaft is twice its inside diameter. The ratio of its torque carrying capacity to that of a solid shaft of the same material and the same outside diameter is

1.  15/16

2.  3/4

3.  1/2

4.  1/16

View Answer  
4
Correct Answer :

15/16


Explanation :
No Explanation available for this question

The shafts A and B are made of the same material. The diameter of shaft B is twice that of shaft A. The ratio of power which can be transmitted by haft A to that of shaft B is

1.  1/2

2.  1/4

3.  1/8

4.  1/16

View Answer  
4
Correct Answer :

1/8


Explanation :
No Explanation available for this question

For the case of a slender column of length L and flexural rigidity EI built-in at its base and free at the top, the Eulers critical bucking load is

1.  (4π2 EI)/L2

2.  (2π2 EI)/L2

3.  (π2 EI)/L2

4.  (π2 EI)/4L2

View Answer  
4
Correct Answer :

(π2 EI)/4L2


Explanation :
No Explanation available for this question
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