In a sedimentation tank, the detention period for water ranges from __________ hours. Options: A . &nbsp16 to 20 B . &nbsp8 to 12 C . &nbsp2 to 4 D . &nbsp24 to 32

In a sedimentation tank, the detention period for water ranges from _________

Question

In a sedimentation tank, the detention period for water ranges from __________ hours.

Options:

A . 16 to 20

B . 8 to 12

C . 2 to 4

D . 24 to 32

Answer: Option C

Submit Your Solution Below and Earn Points !

Next Question

Question 1. The function of skimming tank in sewage treatment is to remove __________ substances.....

Question 2. Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day ....of smoke thereby forming smog (smoke + fog), it causes

Question 3. Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit fo....air. Safe limit for SO₂ in air is __________ ppm.

Question 4. Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region c....supresonic transport air-crafts is mostly in the atmospheric region called

Question 5. Out of the following, TLV of __________ is the minimum (about 0.02 ppm).....

Question 6. Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels.....or inside a sub-way train corresponds to about __________ decibels.

Question 7. In sewage treatment, its sedimentation is speeded up by commonly adding....

Question 8. Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.....

Question 9. Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about....during a large orchestra show corresponds to about __________ decibels.

Question 10. Which of the following dust collection equipments is the least efficient (for sub-micronic particles)?....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0