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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Test  >  Environmental Engineering  >  Test: Physical Characteristics Of Water - Civil Engineering (CE) MCQ

Physical Characteristics Of Water - Free MCQ Practice Test with solutions,


MCQ Practice Test & Solutions: Test: Physical Characteristics Of Water (15 Questions)

You can prepare effectively for Civil Engineering (CE) Environmental Engineering with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Physical Characteristics Of Water". These 15 questions have been designed by the experts with the latest curriculum of Civil Engineering (CE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 25 minutes
  • - Number of Questions: 15

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Test: Physical Characteristics Of Water - Question 1
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The size of suspended solids lies in the range of ________

Test: Physical Characteristics Of Water - Question 2
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Suspended solids are measured by which of the following?

Detailed Solution: Question 2

Explanation: Turbidity rod and Jackson’s turbidity meter is used to find turbidity whereas chromatography is used to detect odour . Hence b is the correct answer.

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Test: Physical Characteristics Of Water - Question 3
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 The maximum permissible limit for suspended solids is ___

Detailed Solution: Question 3

Explanation: The maximum permissible limit for suspended solids is 30mg/l for testing waste water which is set by the Environmental Protection Agency (EPA).

Test: Physical Characteristics Of Water - Question 4
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 Identify the correct relation between the following?

Detailed Solution: Question 4

Explanation: Dissolved solid is the difference between total solid and suspended solid. Suspended solid is non-filterable solid whereas dissolved solid is filterable solid.

Test: Physical Characteristics Of Water - Question 5
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Which method is used to measure the color of water?

Detailed Solution: Question 5

Explanation: The colors in water are measured by Tintometer method.It is measured on Burgess scale or cobalt scale by Nessler’s tube.

Test: Physical Characteristics Of Water - Question 6
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1 TCU (True Color Unit) is equivalent to _____

Detailed Solution: Question 6

Explanation: 1 TCU (True Color Unit) is equivalent to color produced by 1 mg of platinum cobalt in 1L of distilled water. The true color unit is also called as Hazen unit.

Test: Physical Characteristics Of Water - Question 7
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The range for threshold odour number is

Detailed Solution: Question 7

Explanation: The maximum value of Threshold odour number is 3 and its range is 1-3. The threshold odour number is used to measure the intensity of taste and odour.

Test: Physical Characteristics Of Water - Question 8
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State whether the following statement is True or False.
Threshold odour number testing is preferred in hot water. 

Detailed Solution: Question 8

Explanation: TON testing is preferred in cold water as in hot water due to increase in temperature, taste and odour can change.

Test: Physical Characteristics Of Water - Question 9
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 One JTU is equivalent to turbidity produced by

Detailed Solution: Question 9

Explanation: 1 JTU is equivalent to turbidity produced by 1mg of fine silica dissolved in 1L of distilled water. It is called as Jackson’s turbidity unit and is based on absorption principle.

Test: Physical Characteristics Of Water - Question 10
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If the PO value is 6, what does it imply?

Detailed Solution: Question 10

Explanation: The PO value indicates the odour intensity. 6 is the maximum PO value and it indicates extremely strong odour.

Test: Physical Characteristics Of Water - Question 11
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 The range of temperature of water that is required to do the temperature test is__ 0C.

Detailed Solution: Question 11

Explanation: To do the temperature test of water, its temperature should be between 100C and 250C and the temperature higher than 250C is considered objectionable.

Test: Physical Characteristics Of Water - Question 12
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Which of the following statement is wrong regarding turbidity?

Detailed Solution: Question 12

Explanation: Turbidity rod is a field method not a laboratory method to measure turbidity.

Test: Physical Characteristics Of Water - Question 13
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The permissible limit of turbidity of domestic water is ____ ppm.

Detailed Solution: Question 13

The permissible limit of turbidity of domestic water is typically in the range of 1-5 ppm.

Test: Physical Characteristics Of Water - Question 14
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What is the full form of NTU in context with turbidity?

Detailed Solution: Question 14

Explanation: The value of turbidity measured by nephelometer is expressed in terms of NTU. Sometimes, it is referred as FTU or Formazin turbidity unit.

Test: Physical Characteristics Of Water - Question 15
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When depth of insertion of turbidity rod increases, the reading in the turbidity rod ___

Detailed Solution: Question 15

Explanation: Turbidity rod is inserted inside the water and the reading at which needle becomes invisible gives the turbidity.

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About this Civil Engineering (CE) Practice Test

This test contains 15 MCQs on Physical Characteristics Of Water with detailed solutions for each question. It is part of the Environmental Engineering course on EduRev, designed to align with the current Civil Engineering (CE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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If you found this Physical Characteristics Of Water MCQ Test helpful, you can further enhance your Civil Engineering (CE) preparation with in-depth courses on EduRev, for all the subjects and topics available in Environmental Engineering course. The course offers:
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