Test: Environmental Engineering - 2


25 Questions MCQ Test Environmental Engineering | Test: Environmental Engineering - 2


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Attempt Test: Environmental Engineering - 2 | 25 questions in 25 minutes | Mock test for Chemical Engineering preparation | Free important questions MCQ to study Environmental Engineering for Chemical Engineering Exam | Download free PDF with solutions
QUESTION: 1

Which of the following is the most detrimental for water used in high pressure boiler ?

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QUESTION: 2

Turbidity of water is an indication of the presence of

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QUESTION: 3

Presence of excess flourine in water causes

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QUESTION: 4

Siderosis is a disease caused by the inhalation of __________ dust.

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QUESTION: 5

Which of the following pollutants is not emitted during volcanic eruptions ?

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QUESTION: 6

The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by

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QUESTION: 7

Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by

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QUESTION: 8

Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is

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QUESTION: 9

Which of the following dust collection equipments is the least efficient (for sub-micronic particles) ?

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QUESTION: 10

Dust collection efficiency of a cyclone separator depends upon its

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QUESTION: 11

Ionisation potential employed in the industrial electrostatic precipitator is of the order of

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QUESTION: 12

The widest explosive limit is of __________ , thereby making it the most explosive gas.

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QUESTION: 13

Aerobic biological oxidation ponds used for the purification of polluted water

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QUESTION: 14

Polluted water having low BOD are most economically treated in

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QUESTION: 15

Tri-sodium phosphate is used in boiler water treatment to reduce

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QUESTION: 16

80% less than 200 mesh size particles are called

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QUESTION: 17

The commonest form of iron & manganese found in ground water as pollutant is in the form of their

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QUESTION: 18

Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal

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QUESTION: 19

TLV of ozone (O3) and phosgene (COCl2) in air is __________ ppm.

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QUESTION: 20

Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes

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QUESTION: 21

Most of the atmospheric air pollutants are present in large quantity in

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QUESTION: 22

Pick out the wrong statement.

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QUESTION: 23

'Pneumoconiosis' is a disease caused by the inhalation of __________ dust.

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QUESTION: 24

The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the

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QUESTION: 25

Pick out the wrong statement.

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