A water sample is analysed for coliform organisms by the multiple-tube fermentation method. The results of confirmed test are as follows: Sample Size (m/) Number of positive result out of 5 tubes 5 Number of negative results out of 5 tubes 0 3 0.01 0.001 0.001 1 4 The most probable number (MPN) of coliform organisms for the above results is to be obtained using the following MPN index. 2 MPN Index for various Combination of Positive Results when Five Tubes used per dilution of 10.0 m/, 1.0 m/ and 0.1 m/ Combination of positive tubes MPN index per 100 m/ 0-2-4 1-3-5 4-2-0 5-3-1 11 19 22 110

A water sample is analysed for coliform organisms by the multiple-tube fermentation method. The results of confirmed test are as follows: Sample Size (m/) Number of positive result out of 5 tubes 5 Number of negative results out of 5 tubes 0 3 0.01 0.001 0.001 1 4 The most probable number (MPN) of coliform organisms for the above results is to be obtained using the following MPN index. 2 MPN Index for various Combination of Positive Results when Five Tubes used per dilution of 10.0 m/, 1.0 m/ and 0.1 m/ Combination of positive tubes MPN index per 100 m/ 0-2-4 1-3-5 4-2-0 5-3-1 11 19 22 110

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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