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Building Materials and Construction MCQ

Red data book contains data of

Answer

Correct Answer: Threatened species

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Which out of the following are the causes of soil erosion?

Answer

Correct Answer: All of the above

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Conservation of biodiversity outside the natural habitat is called as

Answer

Correct Answer: Ex-situ

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Biosphere reserve has following zone except one

Answer

Correct Answer: Spherical zone

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The type of diversity including all the different kinds of living things found in a certain habitat is called as Species

Answer

Correct Answer: Diversity

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Which of the mentioned devices are used for removing vapour phase/gaseous pollutants?

Answer

Correct Answer: All of the mentioned

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In which of the following process earthworms decompose biodegradable solid waste?

Answer

Correct Answer: Vermi-composting

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Which of the following is not commonly used as a filter material in the treatment of water?

Answer

Correct Answer: Crushed rock

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Which of the following plants is extremely sensitive towards sulphur dioxide?

Answer

Correct Answer: Tomato

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Which of the following gas is released when alum is added to water?

Answer

Correct Answer: CO2

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Which of the following is NOT a primary pollutant?

Answer

Correct Answer: Oxygen

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When environmental Lapse Rate (ELR) is less is than Adiabatic Lapse Rate (ALR), then which of the following occurs?

Answer

Correct Answer: Sub adiabatic lapse rate

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When Environmental Lapse Rate (ELR) is greater than Adiabatic Lapse Rate (ALR), then which of the following occurs?

Answer

Correct Answer: Super adiabatic lapse rate

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Which of the following compounds was earlier produced for the utility of transformers?

Answer

Correct Answer: PCB

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