The elastic strain for steel is about_________________? A. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain B. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strainC. 1/12…
The moment-curvature relation at a plastic hinge is________________? A. linear B. parabolicC. constant moment for all curvatures D. constant curvature for all moments
The statical method of plastic analysis satisfies_______________? A. equilibrium and mechanism conditionsB. equilibrium and plastic moment conditions C. mechanism and plastic moment conditions D. equilibrium condition only
Load factor is____________________? A. always equal to factor of safety B. always less than factor of safetyC. always greater than factor of safety D. sometimes greater than factor of safety
Other conditions being same, the load factor in indeterminate structures is_______________? A. equal to load factor in determinate structuresB. more than the load factor in determinate structures C. less than the load factor in determinate structures D. unpredictable
In the virtual work method, the virtual quantity is_________________? A. displacement B. load C. slope D. moment
The shape factor of an isosceles triangle for bending about the axis parallel to the base is________________? A. 1.5 B. 1.7 C. 2.0D. 2.34
The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________? A. 4.5 mm B. 6 mmC. 8 mm D. 10 mm
Lug angles_________________? A. are used to reduce the length of connection. B. are unequal angles. C. increases shear lag. D. all the above
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________? A. 75 t2/h B. 125 t3/h2C. 125 t2/h D. 175 t2/h where, t = the web…