111. The member forces in a statically in determinate truss
a) can be obtained by graphic statics
b) cannot be obtained by graphic statics
c) may be obtained by graphic statics
d) can be obtained by graphic statics by trial and error
Ans: b
112. An ordinate in a funicular polygon represents
a) shear force
b) resultant force
c) bending moment
d) equilibrium
Ans: c
113. The pole distance is measured in
a) distance scale
b) force scale
c) mass scale
d) time scale
Ans: b
114. The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are
a) zero
b) 1
c) 2
d) infinity
Ans: d
115. A funicular polygon cannot be made to pass through
a) one specified point
b) two specified points
c) three specified points
d) more than three specified points
Ans: d
116. If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will
a) be in equilibrium
b) always reduce to a resultant force
c) always reduce to a couple
d) both (a) and (c)
Ans: b
117. The condition of equilibrium for any system of forces in a plane is
a) that polygon of forces must close
b) that resultant couple must be zero
c) both (a) and (b)
d) none of the above
Ans: c
118. In which of the following trusses, the method of substitution is required for determining the forces in all the
members of the truss by graphic statics ?
a) howe truss
b) king post truss
c) fink truss
d) warren truss
Ans: c
119. For a non-concurrent force system to be in equilibrium
a) only the closure of force polygon is sufficient
b) only the closure of funicular polygon is sufficient
c) both force polygon and funicular polygon must close
d) none of the above
Ans: c
120. If a set of given forces are such that their free vectors build a closed polygon, then
a) the resultant force and resultant couple are always zero
b) the resultant force is zero but resultant couple is not zero
c) the resultant force is zero but resultant couple may not be zero
d) the resultant force and resultant couple both may not be zero
Ans: c
a) can be obtained by graphic statics
b) cannot be obtained by graphic statics
c) may be obtained by graphic statics
d) can be obtained by graphic statics by trial and error
Ans: b
112. An ordinate in a funicular polygon represents
a) shear force
b) resultant force
c) bending moment
d) equilibrium
Ans: c
113. The pole distance is measured in
a) distance scale
b) force scale
c) mass scale
d) time scale
Ans: b
114. The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are
a) zero
b) 1
c) 2
d) infinity
Ans: d
115. A funicular polygon cannot be made to pass through
a) one specified point
b) two specified points
c) three specified points
d) more than three specified points
Ans: d
116. If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will
a) be in equilibrium
b) always reduce to a resultant force
c) always reduce to a couple
d) both (a) and (c)
Ans: b
117. The condition of equilibrium for any system of forces in a plane is
a) that polygon of forces must close
b) that resultant couple must be zero
c) both (a) and (b)
d) none of the above
Ans: c
118. In which of the following trusses, the method of substitution is required for determining the forces in all the
members of the truss by graphic statics ?
a) howe truss
b) king post truss
c) fink truss
d) warren truss
Ans: c
119. For a non-concurrent force system to be in equilibrium
a) only the closure of force polygon is sufficient
b) only the closure of funicular polygon is sufficient
c) both force polygon and funicular polygon must close
d) none of the above
Ans: c
120. If a set of given forces are such that their free vectors build a closed polygon, then
a) the resultant force and resultant couple are always zero
b) the resultant force is zero but resultant couple is not zero
c) the resultant force is zero but resultant couple may not be zero
d) the resultant force and resultant couple both may not be zero
Ans: c
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