A. bottom chord area
B. top chord area
C. effective span of bridge
D. heaviest axle load of engine
Related Mcqs:
- To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?
A. 1
B. 2
C. 3
D. 4 - The portal bracing in a truss bridge is used to_____________________?
A. transfer load from top of end posts to bearings
B. keep the rectangular shape of the bridge cross-section
C. stiffen the structure laterally
D. prevent the sidesway buckling of top chord - If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called________________?
A. deck type
B. through type
C. half through type
D. double deck type - Normally, the angle of roof truss with asbestos sheets should not be less than_______________?
A. 26’/2°
B. 30°
C. 35°
D. 40° - The maximum slenderness ratio of a compression member carrying both dead and superimposed load is___________________?
A. 180
B. 200
C. 250
D. 350 - compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________?
A. bearing and shear
B. bending and shear
C. bearing and bending
D. bearing, shear and bending - The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?
A. 1.23 m above the rail level
B. 1.50 m above the rail level
C. 1.83 m above the rail level
D. 2.13 m above the rail level - If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?
A. 0
B. 0.5
C. between 0.5 and 1.0
D. 1.0 - If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin’s formula will be__________________?
A. 16 mm
B. 20 mm
C. 24 mm
D. 27 mm - According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_______________?
A. 1.0
B. 1.4
C. 1.8
D. 2.0
