WorksheetsU19CE703 EARTHQUAKE RESISTANT STRUCTURES
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
Masonry bearing walls should not be built of height greater than _________ subject to a maximum of four storeys when measured from the mean ground level to the ride level during the construction of earthquake-resistant buildings.
a)
15 metres
b)
30 metres
c)
60 metres
d)
75 metres
2.
Where the masonry is provided with steel reinforcing bars, the bars should be embedded with adequate cover in cement concrete of grade _________
a)
M5
b)
M15
c)
M20
d)
M30
3.
Base isolation technique was first demonstrated in India after the ________
a)
2005 Kashmir earthquake
b)
1991 Uttarkashi earthquake
c)
1993 Killari earthquake
d)
1950 Assam earthquake
4.
While considering the design of R.C. buildings for providing ductility, IS codes prohibit the steel grade greater than _________
a)
Fe 250
b)
Fe 320
c)
Fe415
d)
Fe550
5.
The system which comprises of the reinforced concrete column and connecting beams is known as __________
a)
RC frame
b)
RC shutter
c)
RC style
d)
RC hinge
6.
The band employed only in buildings with pitched or sloped roofs is called
a)
Gable band
b)
Plinth band
c)
Roof band
d)
Lintel Band
7.
The band which reduces the unsupported height of the walls and improves stability in weak direction is called
a)
Gable band
b)
Plinth Band
c)
Roof Band
d)
Lintel Band
8.
As per IS Code the cross-section of runners in wooden bands is
a)
80mmx79mm
b)
75mmx38mm
c)
70mmx28mm
d)
75mmx30mm
9.
The wall thickness in stone masonry building should not exceed
a)
350mm
b)
250mm
c)
450mm
d)
420mm
10.
The unsupported length of walls between cross walls should be limited to
a)
4m
b)
5m
c)
6m
d)
7m
11.
The size and details of the band are provided as per
a)
IS:4362-1993
b)
IS:456
c)
IS:1893-2002
d)
IS:1893-2006
12.
The weakest mortar used is
a)
mud mortar
b)
cement mortar
c)
cement sand mortar
d)
cement-sand-lime mortar
13.
The thickness of the mortar satisfactory from practical and aesthetic considerations is
a)
5 mm
b)
6mm
c)
7mm
d)
10mm
14.
An integrally connected staircase sab acts like a cross-brace between the floors and transfer ----------- force at the roof.
a)
horizontal
b)
vertical
c)
both horizontal and vertical
d)
neither horizontal nor vertical
15.
Is provided between the staircase tower and the masonry building to ensure they do not pound each other during strong earthquake
a)
Adequate gap
b)
band
c)
wall
d)
Lintel band
16.
As per IS 1893:2002, how many zones are divided in seismic zone map?
a)
6
b)
5
c)
3
d)
4
17.
How many parts has been divided in IS 1893
a)
6
b)
5
c)
4
d)
3
18.
Upto date, how many revisions are made up of IS 1893
a)
6
b)
5
c)
4
d)
3
19.
IS 1893: 2016, part 3 deals about
a)
General provision
b)
liquid retaining structures
c)
bridges & retaining walls
d)
dams & embankments
20.
In which IS code describes the guidelines for repair and seismic strength of buildings?
a)
IS 1893
b)
IS 13920
c)
IS 4326
d)
IS 13935
21.
In the plastic design of steel structures , the load combination shall be accounted for
a)
1.2 (DL+LL±EL)
b)
1.3(DL+LL±EL)
c)
1.5(DL+LL±EL)
d)
1.7(DL+LL±EL)
22.
The design vertical force shall be calculated with of the design horizontal acceleration spectrum specified
a)
Half
b)
One third
c)
Two third
d)
2019-05-02 00:00:00
23.
As per IS 1893: 2016, response spectrum for rock and soil site for percent damping
a)
3
b)
5
c)
7
d)
10
24.
Response reduction factor R for special RC moment- resisting frame is
a)
1
b)
3
c)
5
d)
7
25.
Importance factor I for railway stations is
a)
1
b)
1.5
c)
2
d)
2.5
26.
A Soft storey is one which the lateral stiffness is less than of the average lateral stiffness of the three stories above
a)
0.7
b)
0.8
c)
0.9
d)
0.95
27.
The seismic height of any storey is more than of that its adjacent storey is termed as mass irregularity
a)
1
b)
1.5
c)
2
d)
3
28.
For RCC buildings, the value of damping may be taken as
a)
0.02
b)
0.05
c)
0.07
d)
0.09
29.
In damping analysis is not mandatory for irregular buildings which height is less than 40m in belongs to
a)
Zone 2
b)
zone 3
c)
zone 2 &3
d)
none of the above
30.
Base dimensions of the building at the level along the direction of the lateral force
a)
Ground level
b)
plinth level
c)
lintel leve
d)
roof level
31.
The zone factor of the building which is located in Delhi is
a)
0.1
b)
0.16
c)
0.24
d)
0.36
32.
For T=0.357, damping of 5% and for hard rock , sa/g is
a)
1.5
b)
2.5
c)
3
d)
3.5
33.
The fundamental natural period of vibration (Ta) of a moment resisting steel frame building without infill panels by the formula
a)
Ta= 0.075h 0.75
b)
Ta= 0.085h 0.75
c)
Ta= 0.09h//√2
d)
Ta= 0.085h0.85
34.
Response reduction factor R is prohibited in zone
a)
V
b)
VI
c)
IV
d)
Other than IV & V
35.
Which factor depending on the perceived seismic damage performance of the structure, characterized by ductile or brittle deformation?
a)
Response reduction factor
b)
importance factor
c)
zone factor
d)
acceleration factor
36.
According to the recommendations of IS 13920: 1993, the thickness of any part of the wall should not be less than __________
a)
50mm
b)
100mm
c)
150mm
d)
200mm
37.
The vertical thickness of the reinforced concrete band should be _______ minimum where four longitudinal bars are specified.
a)
75mm
b)
100mm
c)
150mm
d)
180mm
38.
The width of the reinforced concrete band is taken the same as the __________ of the wall.
a)
Mass
b)
Height
c)
Length
d)
Thickness
39.
Reinforced brickwork is used in which of the following circumstances?
a)
When the brick wall is to carry light loads
b)
When the brickwork has to bear some shear stress
c)
When it is needed to decrease the longitudinal bond
d)
When the brickwork does not have to bear any shear stress
40.
Which one of the following in structure is the most important factors affecting its earthquake performance?
a)
Workability
b)
Serviceability
c)
Flexibility
d)
Responsibility
100 %
