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Environmental Engineering Mining Engineering

Environmental Engineering MCQ (Interview-Exam) Question-Answer

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Environmental Engineering MCQ (Interview-Exam) Question-Answer
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Environmental Engineering MCQ / Mining Engineering MCQ

Q.1 Among the given engineers, who is known as the first female environmental engineer?

       A. Miss Ellen Henrietta

       B. Elsie Eaves

       C. Ellen Swallow Richards

       D. Catherine Anselm Gleason

Ans : Ellen Swallow Richards


Q.2 Which of the following statements define Environmental Engineering?

       A. Waste disposal

       B. All of the above

       C. Creation of procedures and infrastructure for water delivery

       D. Pollution control of various kinds

Ans : All of the above


Q.3 Which of the following statements define environmental chemistry?

       A. study of chemical reactions that occur in water, air, land, and biological habitats only

       B. None of the above

       C. study of chemical reactions that occur in water, air, land, biological habitats, and human activities

       D. study of chemical reactions that occur in water, air, and land only

Ans : study of chemical reactions that occur in water, air, land, biological habitats, and human activities


Q.4 Which of the following is/are types of pollution that affect the environment?

       A. Water pollution

       B. Land pollution

       C. Air pollution

       D. All of the above

Ans : All of the above


Q.5 Why carbon dioxide is called a greenhouse gas?

       A. Because they absorb moisture

       B. Because they absorb hydrogen

       C. Because they absorb heat

       D. Because they absorb oxygen

Ans : Because they absorb heat


Q.6 Environmental science is defined by which of the following statements?

       A. study of the interactions between the environment’s and physical components

       B. study of the interactions between the environment’s physical, chemical, and biological components

       C. study of the interactions between the environment’s and humans only

       D. study of the interactions between the environment’s and chemical components

Ans : study of the interactions between the environment’s physical, chemical, and biological components


Q.7 Which of the following is a renewable source of energy?

       A. Solar energy

       B. Biomass

       C. Ocean currents

       D. All of the above

Ans : All of the above


Q.8 Which of the following statements means water vapor?

       A. Water vapor is the liquid phase of water

       B. Water vapor is the solid phase of water

       C. Water vapor is the gaseous phase of water

       D. all of the above

Ans : Water vapor is the gaseous phase of water


Q.9 What does the phrase “anthropogenic CO2 emissions” mean?

       A. Human made CO2 emissions

       B. Industrial CO2 emissions

       C. Natural CO2 emissions

       D. All of the above

Ans : Human made CO2 emissions


Q.10 Which is the first zone of purification in a sand bed?

       A. Schmutzdecke zone

       B. Autotrophic zone

       C. Heterotrophic zone

       D. Electrolytic zone

Ans : Schmutzdecke zone


Q.11 Which of the following compounds was earlier produced for the utility of transformers?

       A. TCDD

       B. PDD

       C. PCB

       D. PCDF

Ans : PCB


Q.12 Which process of water treatment is done to avoid floating debris, branches, trees, or other large particles suspended in water?

       A. Secondary sedimentation

       B. Aeration

       C. Primary sedimentation

       D. Screening

Ans : Screening


Q.13 When environmental Lapse Rate (ELR) is less is than Adiabatic Lapse Rate (ALR), then which of the following occurs?

       A. Neutral lapse rate

       B. Sub adiabatic lapse rate

       C. Super adiabatic lapse rate

       D. Adiabatic lapse rate

Ans : Sub adiabatic lapse rate


Q.14 When Environmental Lapse Rate (ELR) is greater than Adiabatic Lapse Rate (ALR), then which of the following occurs?

       A. Neutral lapse rate

       B. Sub adiabatic lapse rate

       C. Super adiabatic lapse rate

       D. Adiabatic lapse rate

Ans : Super adiabatic lapse rate


Q.15 Which of the following gas is released when alum is added to water?

       A. CO2

       B. CaSO4

       C. Ca (OH)3

       D. Al (OH)3

Ans : CO2


Q.16 Which of the following is NOT a primary pollutant?

       A. Ground-level ozone

       B. Carbon dioxide

       C. Oxygen

       D. Carbon monoxide

Ans : Oxygen


Q.17 Which of the following is not commonly used as a filter material in the treatment of water?

       A. Crushed rock

       B. Anthracite

       C. Garnet sand

       D. Sand

Ans : Crushed rock


Q.18 Which of the following plants is extremely sensitive towards sulphur dioxide?

       A. Onion

       B. Corn

       C. Tomato

       D. Potato

Ans : Tomato


Q.19 Which of the mentioned devices are used for removing vapour phase/gaseous pollutants?

       A. Absorption towers

       B. Catalytic converters

       C. Thermal oxidisers

       D. All of the above

Ans : All of the above


Q.20 In which of the following process earthworms decompose biodegradable solid waste?

       A. Land fills

       B. Vermi-composting

       C. Composting

       D. Shredding

Ans : Vermi-composting


Q.21 Which of the following water treatment process is done after filtration of water?

       A. Flocculation

       B. Disinfection

       C. Secondary sedimentation

       D. Primary sedimentation

Ans : Disinfection


Q.22 Which of the following is biodegradable waste?

       A. Food waste

       B. Synthetic fiber

       C. Paper

       D. Polythene bags

Ans : Food waste


Q.23 In the lower layers of atmosphere, what range of wavelengths of light is predominant?

       A. Less than 100 nm

       B. All wavelengths are equally present

       C. Between 100-300 nm

       D. Greater than 300 nm

Ans : Greater than 300 nm


Q.24 Which of the following type of pollution is Cultural eutrophication?

       A. Thermal pollution

       B. Water pollution

       C. Noise pollution

       D. Soil pollution

Ans : Water pollution


Q.25 Which of the following air pollution control device has maximum efficiency?

       A. Wet cyclonic scrubber

       B. Electrostatic precipitator

       C. Spray tower

       D. Dynamic precipitator

Ans : Electrostatic precipitator


Q.26 Which of the following radiations of the sun do greenhouse gases trap?

       A. UV radiations

       B. Visible radiations

       C. Infrared radiations

       D. All of the above

Ans : Infrared radiations


Q.27 Which of the following device is used to prevent the clogging of sewer pipes?

       A. Storm regulators

       B. Lamp hole

       C. Drop manhole

       D. Flushing tank

Ans : Flushing tank


Q.28 Which of the following is not a part of photochemical smog?

       A. PAN

       B. NO2

       C. SPM

       D. O3

Ans : SPM


Q.29 Which of the following gas is not colorless?

       A. Pb

       B. O3

       C. SO3

       D. NO

Ans : NO


Q.30 Which of the following factor does not effect the dry weather flow?

       A. Population growth

       B. Temperature conditions

       C. Infiltration of ground water

       D. Rate of water supply

Ans : Temperature conditions


Q.31 Which of the following flow is also called sanitary sewage?

       A. Uniform flow

       B. Storm weather flow

       C. Nonuniform flow

       D. Dry weather flow

Ans : Dry weather flow


Q.32 Which of the following is an advantage of a separate water carriage system?

       A. Two sets of sewer are used

       B. Difficult to clean the sewer

       C. The more uniform character of sewage

       D. Get choked easily

Ans : The more uniform character of sewage


Q.33 Which of the following greenhouse gas is contributed by cattle farming?

       A. Nitrous oxide

       B. Methane

       C. Carbon monoxide

       D. All of the above

Ans : Methane


Environmental Engineering MCQ MCQ Question-Answer Mining Engineering MCQ

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