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WorksheetsDay 12 civil war PWD-Arches&Cables,fixed beams,plastic analysis
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
In a three hinged arch, the shear force is usually
a)
maximum at crown
b)
maximum at springing
c)
maximum at quarter points
d)
varies with slope
2.
Due to rise in temperature the horizontal reaction of the cable ...........
a)
Increases
b)
Decreases
c)
Remains same
d)
None of these
3.
The highest point of the arch is known as
a)
Rise
b)
Crown
c)
Span
d)
Abutment
4.
A light cable of span 'l' and dip 'h' subjected to a U.D.L of 'w' per metre run on the horizontal span. Then the minimum tension is at
a)
Supports
b)
Middle point of cable
c)
Any point
d)
None of these
5.
Horizontal thrust for a two hinged semicircular arch of radius R with UDL 'w' over entire span
a)
2wR/3π
b)
4wR/3π
c)
w/π
d)
0
6.
Which among the following is statically determinate
a)
2-Hinged arch
b)
Hingeless arch
c)
3-Hinged arch
d)
None of these
7.
The shape factor of an I section is
a)
1.02
b)
1.14
c)
1.70
d)
2.00
8.
Moment of resistance for a plastic hinge is
a)
zero
b)
Plastic moment capacity
c)
Elastic moment capacity
d)
Infinite
9.
A fixed beam of uniform section is carrying a point load at its midspan. If the moment of inertia of the middle half length is now reduced to half its previous value, then the fixed end moments will
a)
Remain constant
b)
Decrease
c)
Increase
d)
Change their directions
10.
When there is no load on the beam the fixed end moments are
a)
Zero
b)
One
c)
0.5
d)
Greater than one
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