WorksheetsSA1 PDF 12
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Who developed semi-circular true masonry arch which are used in bridges and aquaducts?
a)
Germans
b)
Spanish
c)
Romans
d)
None of the above
2.
Any cross section of arch is subjected to how many straining actions
a)
1
b)
2
c)
3
d)
4
3.
Which type of strength is more in Arches?
a)
Compressive strength
b)
Tensile strength
c)
Depends on type of arch
d)
None of the above
4.
Analysis of three-hinged arch is _____.
a)
Simple
b)
Easy
c)
Both
d)
None of the above
5.
Bending moment at any point on cable is ____.
a)
Infinite
b)
Varies
c)
0
d)
Non-zero but remains constant
6.
If the cable is loaded by udl, it takes form/shape of _______.
a)
Parabola
b)
Hyperbola
c)
Ellipse
d)
Circle
7.
Horizontal components of cable tension at any point will be ______ to H.
a)
Greater than
b)
Less than
c)
Equal
d)
Can't say
8.
How many arrangements are generally used for Anchor Cables?
a)
1
b)
2
c)
3
d)
4
9.
When cable is subjected to change of temperature, there will be ______ in length of cable.
a)
No change
b)
Change
c)
Can't say
d)
None of the above
10.
A three hinge arch is the only arch which is _________
a)
Unstable & indeterminate
b)
Stable & indeterminate
c)
Stable & determinate
d)
Unstable & determinate
11.
In case of saddle on roller arrangements, horizontal components of tension in suspension and anchor cable will be _______.
a)
Greater than
b)
Less than
c)
Equal
d)
Can't say
12.
Strain is defined as the ratio of change in dimension to its ______
a)
original dimension
b)
final dimension
c)
Both
d)
none of above
13.
The stress which is generated along the length of cylinder is termed as,
a)
shear stress
b)
hoop stress
c)
circumferential stress
d)
longitudinal stress
14.
Which one of the following is the equation of hoop stress?
a)
σc = p×d/2l
b)
σc = p×t/2d
c)
σc = p×d/2t
d)
σc = t×d/2p
15.
Which one of the following is the equation for longitudinal stress?
a)
σl = p×d/4t
b)
σl = p×d/2t
c)
σl = p×t/2d
d)
σl = p×t/4d
16.
What is meant by 'η' in the equation of stress in a thin cylindrical shell?
a)
efficiency of stresses
b)
efficiency of energy
c)
efficiency of the joints
d)
efficiency of strain
17.
Which one of the following is the equation of the longitudinal strain in a cylindrical shell?
a)
εl = (p×d/4tE) × (1-μ)
b)
εl = (p×d/4tE) × (1-2μ)
c)
εl = (p×d/8tE) × (1-μ)
d)
εl = (p×d/8tE) × (1-2μ)
18.
The shear stress anywhere in a shell is_______.
a)
a) two times longitudinal stress
b)
b) zero
c)
c) equal to the hoop stress at that point
d)
d) tw times hoop stress
19.
If a cylinder is open or very long, then________.
a)
a) σl = σh
b)
b) σh = 0
c)
c) σl = 2σh
d)
d) σl = 0
20.
Give Unit of Specific weight of cable material.
a)
kN/m3
b)
N/m2
c)
kN/m
d)
kNm3
100 %
