Secant formula for direct stress in compression, is applicable only for slendern

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Civil Engineering ‣ Steel Structure Design Comments

Question
Secant formula for direct stress in compression, is applicable only for slenderness ratio upto
Options
A. 120
B. 130
C. 140
D. 150
E. 160

Correct Answer

140

Steel Structure Design problems

Search Results

1. For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (excepting the webs of Indian Standard rolled steel joists and channels).
Options
A. 4 mm
B. 6 mm
C. 8 mm
D. 10 mm

4. Pick up the correct statement from the following:
Options
A. When the gauge distance is larger than the pitch, the failure of the section may occur in a zig-zag line
B. When the gauge distance is smaller than the pitch, the failure of the section may occur in a straight right angle section through the centre of rivet holes
C. When the gauge distance and pitch are both equal, the failure to the section becomes more likely as the diameter of the holes increases
D. All the above.

6. The equivalent axial tensile load P_e, which produces an average axial tensile stress in the section equivalent to the combined stress due to axial tension P and bending M, at the extreme fibre of the section, is given by (where Z is the section modulus of the section).
Options
A.
B.
C.
D.

7. When a tension member is made of four angles with a plate as a web, the allowance for holes is made as
Options
A. two holes for each angle and one hole for the web
B. one hole for each angle and one hole for the web
C. one hole for each angle and two holes for the web
D. two holes for each angle and two holes for the web
E. none of these.

8. The minimum edge distance of a rivet line connecting two or more plates, is kept equal to 37 mm plus (where t is the thickness in mm of the thinner outside plate).
Options
A. 2 t
B. 4 t
C. 6 t
D. 8 t
E. 10 t

9. If the pitch is 6 cm and rivet value is 4 tonnes, the number of rivets required for a riveted connection carrying an eccentric load of 15 tonnes at a distance of 30 cm from the centre line, is
Options
A. 6
B. 8
C. 10
D. 12
E. 15

Comments

More in Civil Engineering: