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Browse complete papersWhich of the following types of sewers uses pipes that are manufactured by the hot process using clays and shales of special qualities and grades?
Plastic sewer
Brick sewer
Asbestos cement sewer
Stoneware sewer
Correct answer
Plastic sewer
Common methods used for the desalination of water are:
distillation, reverse osmosis and electrodialysis
reverse osmosis, electrodialysis and filtration
distillation, filtration and electrodialysis
reverse osmosis, distillation and filtration
Correct answer
distillation, reverse osmosis and electrodialysis
Find the value of strain energy of a metallic bar with cross-sectional area of \( 2\text{ cm}^2 \) and gauge length of \( 10\text{ cm} \) if it stretches \( 0.002\text{ cm} \) under a load of \( 10\text{ kN} \).
\( 10\text{ N-cm} \)
\( 12\text{ N-cm} \)
\( 16\text{ N-cm} \)
\( 14\text{ N-cm} \)
Correct answer
\( 10\text{ N-cm} \)
In a cantilever beam loaded with point load at the free end, the maximum deflection occurs at _______.
one-fourth span from the fixed end
the fixed end
half span
the free end
Correct answer
one-fourth span from the fixed end
Identify whether the following statements regarding bending stress and strain in a beam are true or false.
S1: The neutral surface of the beam experiences zero bending strain.
S2: The value of bending stress is zero at the neutral surface of the beam.
Both S1 and S2 are true.
Both S1 and S2 are false.
S1 is true and S2 is false.
S2 is true and S1 is false.
Correct answer
Both S1 and S2 are true.
As per IS 456: 2000, what is the maximum permissible limit for the suspended matter present in water to be used in making concrete?
\( 20\text{ mg/l} \)
\( 1000\text{ mg/l} \)
\( 2000\text{ mg/l} \)
\( 200\text{ mg/l} \)
Correct answer
\( 20\text{ mg/l} \)
A water treatment plant with the capacity of \( 1,00,000\text{ m}^3\text{/day} \) has filter boxes of size (area) \( 10\text{ m} \times 10\text{ m} \). If five filters are out for service, what should be the loading rate (in \( \text{m}^3\text{/day/m}^2 \)) of the remaining filters to maintain the capacity of the plant?
300
150
200
100
Correct answer
300
Which of the following is NOT a secondary air pollutant?
Sulphuric acid
Formaldehyde
Ozone
Nitrogen oxide
Correct answer
Sulphuric acid
The ratio of Young’s modulus to the modulus of rigidity of a material with Poisson's ratio 0.2 will be ______.
0.2
2.4
3.2
2.8
Correct answer
0.2
What is the equivalent length of a column which has one of its ends fixed and the other end free, according to Euler's column theory? The actual length of the column is 10 m.
20 m
5 m
\( \frac{10}{\sqrt{2}} \text{m} \)
10 m
Correct answer
20 m