1. The advantage of reinforced concrete, is due to
a) monolithic character
b) fire resisting and durability
c) moulding in any desired shape
d) all of the above
2. The strength and quality of concrete depends on
a) aggregate shape
b) aggregate grading
c) surface area of the aggregate
d) all of the above
3. Dimensions of a beam need be changed if the shear stress is more than
a) 10 kg/cm²
b) 15 kg/cm²
c) 20 kg/cm²
d) 25 kg/cm²
4. An arch can be treated as a curved beam
a) whose ends are restrained against horizontal movement
b) whose ends do not provide any reaction
c) whose ends are unsupported
d) none of the above
5. The line of thrust of the linear arch is
a) the axis of the arch
b) the imaginary line of thrust for a given set of loads
c) the springing line
d) none of the above
6. In hingeless arch, it is supposed to
a) stable
b) geometrically unstable
c) 2nd degree
d) 3rd degree
7. The influence line diagram for shear force at a section on a cantilever will be
a) a rectangle of length equal to full length of span with unit ordinate
b) a rectangle extending between free end and the section with unit ordinate
c) a triangle extending for whole length of span with unit ordinate at fixed support
d) a triangle extending between the section and the fixed end with unit ordinate at fixed support.
8. The influence line diagram for BM at a section in a cantilever will be a triangle extending between the section and the
a) fixed end with maximum ordinate under the section
b) fixed end with maximum ordinate under the fixed end
c) unsupported end with maximum ordinate at the section
d) unsupported end with maximum ordinate at the supported end
9. The influence line diagram for BM at a section of a simply
supported beam will be a
a) triangle with maximum ordinate at the section and zero at at the support nearer to the two supports
b) triangle with maximum ordinate section and zero at the other support
c) rectangle with unit ordinate
d) none of the above
10. If there is a cantilever beam joined with the edge of the span,
then it is
a) determinate
b) indeterminate
c) 2nd degree
d) 3rd degree
11. Influence line is
a) the line showing stress function due to unit moving load
b) the line showing stress function due to unit load
c) the line showing stress function due to udl
d) all of the above
12. The line showing the variations of stress function at a given point due to a unit load moving on a span is known as
a) load line
b) influence line
c) curve line
d) stress function line
13. The influence line diagram for reaction at a support of a simply supported beam is
a) a triangle with ordinate 1 at that support at the other support
b) a triangle with ordinate 1
c) a rectangle with ordinate 1
d) a rectangle with ordinate 1/2
14. The influence line diagram for reaction at the support of a cantilever will be a
a) triangle with zero ordinate at fixed end and unit ordinate at free end b) triangle with unit ordinate at fixed end and zero ordinate at free end
c) rectangle with ordinate ½
d) rectangle with unit ordinate
15. Influence lines are drawn for structures
a) indeterminate
b) determinate
c) any type
d) none of the above
16. Which one is right w.r.t. ILD?
a) it is the BMD due to unit load
b) it is the BMD due to static unit load
c) it is the BMD due to moving unit load
d) it is the BMD due to impacting unit load
17. The influence line diagram for S.F. or BM at a section is
a) the value of S.F. or B.M. at that section when the unit load is placed over that section only
b) the value of S.F. or B.M. at that section when the unit load is at the centre of the span
c) the variation in the value of S.F. or B.M. at that section as the unit load transverses the span from left to right
d) the S.F. or B.M. diagram
