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Browse complete papersAs per IS 1077 : 1992, what is the minimum required compressive strength for a first-class burnt clay brick?
7.5 \( N/mm^{2} \)
9.5 \( N/mm^{2} \)
10.0 \( N/mm^{2} \)
5.5 \( N/mm^{2} \)
Correct answer
7.5 \( N/mm^{2} \)
As per IS 1343 : 1980, what is the minimum 28 - day compressive strength required for concrete used in pre-tensioned members?
M30
M35
M40
M20
Correct answer
M30
According to IS 8112, what is the minimum required compressive strength for 43 – grade Ordinary Portland Cement (OPC) after a curing period of 7days?
33N/mm²
23N/mm²
16N/mm²
22N/mm²
Correct answer
33N/mm²
The density of lightweight concrete typically ranges between:
400 to 2000kg/m³
500 to 1000kg/m³
100 to 450kg/m³
200 to 1000kg/m³
Correct answer
400 to 2000kg/m³
In masonry construction, for which of the following types of structures is a stretcher bond most specifically suitable?
Half brick wall
Compound wall
Slab
Plinth beam
Correct answer
Half brick wall
According to IS 456 : 2000, what is the minimum cement content required for plain cement concrete (PCC) when
it is subjected to a moderate exposure condition?
210kg/m³
240kg/m³
190kg/m³
100kg/m³
Correct answer
210kg/m³
For a rectangular beam with a fixed cross-sectional area, which dimensional adjustment provides the greatest
increase in its flexural (bending) strength?
Minimizing the depth to reduce weight.
Maximizing the width to increase the base support.
Using a perfectly square cross-section.
Increasing the depth while decreasing the width.
Correct answer
Minimizing the depth to reduce weight.
In a structural beam, if the Bending Moment Diagram (BMD) exhibits a linear variation (a straight line with a non-zero slope) over a specific segment, what is the nature of the loading acting on that segment?
Point load
Combination of point load and uniformly distributed load
Uniformly varying load
Pure moment
Correct answer
Point load
In a beam with a rectangular cross-section subjected to transverse shear, the shear stress varies parabolically across
the depth. What is the ratio of maximum shear stress to average shear stress for such a section?
\( \tau_{max} = \tau_{avg} \)
\( \tau_{max} = \ 1.8tau_{avg} \)
\( \tau_{max} = 1.5\tau_{avg} \)
\( \tau_{max} = 2\tau_{avg} \)
Correct answer
\( \tau_{max} = \tau_{avg} \)
For checking deflection under the serviceability limit state as per IS 456 : 2000, the partial safety factor applied to the characteristic strength of concrete is:
1.0
0.8
2.3
2.5
Correct answer
1.0