Environmental Science and Engineering
GATE ES discipline:civil-and-environmental-engineering PYQs
Build your understanding with focused practice from past exam papers.
Questions 141–150 of 390. Imported answers require independent review unless marked reviewed.
Question 11
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Ten cards in a pack are numbered as 1, 2, 3, . . .10. The probability of drawing a card with an even number or a number which is a multiple of 5 from the pack is ______.
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Hardness in water is NOT caused by _________.
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The maximum coordination number of Sn⁴⁺ is ______.
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Rod shaped bacterial cells are called _________.
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Tuberculosis is predominantly caused by ________.
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Which one of the following conversions belongs to nonsymbiotic nitrogen fixation?
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Crown corrosion of reinforced cement concrete sewer is caused by ________.
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The process of removal of particles in a rapid sand filter with their description is given in the table.
Process | Description |
|---|---|
(i) Straining | P: Removes only particles in the water large enough to get caught in the pores of the filter |
(ii) Sedimentation | Q: Larger and heavier particles do not follow the fluid streamline around the sand grain and settle on the grain |
(iii) Interception | R: Particles that do follow the streamline, but are too large and are caught because they brush up against the sand grains |
(iv) Diffusion | S: Very small particles are experiencing Brownian motion and may collide with the sand grains by chance |
Select the correct match.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 19
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The environmental temperature increases by 6 °C/km with height at a particular location. The stability condition of the atmosphere at the location is ______.
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As per the United Nations agenda for sustainable development adopted in September 2015, the number of Sustainable Development Goals (SDGs) are ________ and the proposed target year to achieve them is ________.
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