Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  Environmental Engineering  >  Test: Comparison Between Slow And Rapid Sand Filter - Civil Engineering (CE) MCQ

Test: Comparison Between Slow And Rapid Sand Filter - Civil Engineering (CE) MCQ


Test Description

10 Questions MCQ Test Environmental Engineering - Test: Comparison Between Slow And Rapid Sand Filter

Test: Comparison Between Slow And Rapid Sand Filter for Civil Engineering (CE) 2024 is part of Environmental Engineering preparation. The Test: Comparison Between Slow And Rapid Sand Filter questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Comparison Between Slow And Rapid Sand Filter MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Comparison Between Slow And Rapid Sand Filter below.
Solutions of Test: Comparison Between Slow And Rapid Sand Filter questions in English are available as part of our Environmental Engineering for Civil Engineering (CE) & Test: Comparison Between Slow And Rapid Sand Filter solutions in Hindi for Environmental Engineering course. Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free. Attempt Test: Comparison Between Slow And Rapid Sand Filter | 10 questions in 25 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study Environmental Engineering for Civil Engineering (CE) Exam | Download free PDF with solutions
Test: Comparison Between Slow And Rapid Sand Filter - Question 1

 In which of the following filters, the rate of filtration is highest?

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 1

Explanation: The rate of filtration is highest in pressure filter and its filtration rate lies between 6000 to 15000 litres per hour per m2 of filter area while in rapid sand and roughing filter, it is between 6000 to 8000 litres per hour per m2 of filter area.

Test: Comparison Between Slow And Rapid Sand Filter - Question 2

The final loss of head in slow sand filter is ______ than rapid sand filter.

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 2

Explanation: The loss of head in slow sand filter lies between 15-100cm and of rapid sand filter lies between 30-300cm.The final loss of head in slow sand filter is 100cm while in rapid sand filter is 300cm.

1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Comparison Between Slow And Rapid Sand Filter - Question 3

The turbidity of water applied to rapid sand filter is less than _______

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 3

Explanation: As before filtration, sedimentation and coagulation process is done, so the turbidity of water should be less than 35-40ppm.

Test: Comparison Between Slow And Rapid Sand Filter - Question 4

The period of cleaning of a slow sand filter is ______ than rapid sand filter.

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 4

Explanation: The period of cleaning of a slow sand filter is 1-2 months and that of the rapid sand filter is 2-3 days.

Test: Comparison Between Slow And Rapid Sand Filter - Question 5

 The bacterial removal efficiency of the rapid sand filter is ______ in comparison to slow sand filter.

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 5

Explanation: The bacterial removal efficiency of the rapid sand filter is90-99%, whereas of a slow sand filter is 98-99%.

Test: Comparison Between Slow And Rapid Sand Filter - Question 6

How is the grain size distribution of sand in rapid sand filter?

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 6

Explanation: The grain size distribution of sand in rapid sand filter is stratified with lightest grains at the top and heaviest grains at the bottom.

Test: Comparison Between Slow And Rapid Sand Filter - Question 7

Consider the following statement
1. The penetration of suspended matter is deep in the slow sand filter
2. The penetration of suspended matter is superficial in the rapid sand filter
3. Coagulation is not required in the slow sand filter
Which of the above statement is/are correct?

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 7

Explanation: The penetration of suspended matter is deep in rapid sand filter, whereas the penetration of suspended matter is superficial in slow sand filter.

Test: Comparison Between Slow And Rapid Sand Filter - Question 8

 Consider the following statement
1. The slow sand filter is not efficient in removing turbidity
2. The slow sand filter has a high initial cost
3. Skilled supervision is required in slow sand filter
Which of the above statement is/are correct?

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 8

Explanation: Skilled supervision is not required in slow sand filter but it is essential in the case of the rapid sand filter.

Test: Comparison Between Slow And Rapid Sand Filter - Question 9

 The filter run in rapid sand filter should not be less than _____ hours.

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 9

Explanation: The filter run in rapid sand filter should not be less than 24 hours and its head loss should not exceed 2m.

Test: Comparison Between Slow And Rapid Sand Filter - Question 10

Consider the following statement
1. Slow sand filter is not flexible in variation in demand
2. The rapid sand filter is flexible in fluctuations in demand
3. The method of cleaning of a slow sand filter involves agitation and back-washing
Which of the above statement is/are correct?

Detailed Solution for Test: Comparison Between Slow And Rapid Sand Filter - Question 10

Explanation: The method of cleaning of a slow sand filter involves scrapping of top layer to 15 to 25mm whereas in rapid sand filter involves agitation and back-washing.

14 videos|99 docs|98 tests
Information about Test: Comparison Between Slow And Rapid Sand Filter Page
In this test you can find the Exam questions for Test: Comparison Between Slow And Rapid Sand Filter solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Comparison Between Slow And Rapid Sand Filter, EduRev gives you an ample number of Online tests for practice

Top Courses for Civil Engineering (CE)

14 videos|99 docs|98 tests
Download as PDF

Top Courses for Civil Engineering (CE)