Chapter 28 Water Monitoring & Testing

Question 1

When doing a titration method of any water test, the end point of the test is indicated by

a) the sample turning a blue colour
b) a colour change
c) a change in a meter reading
d) the sample being compared to a known standard colour

Answer 1

b) a colour change

Question 2

A meter used during a water test, which will measure the water’s ability to conduct an electric current, is the

a) TDS Meter
b) hardness meter
c) pH meter
d) condensate meter

Answer 2

a) TDS Meter

Question 3

When using a meter to conduct a pH water test, the meter used would

a) basically measure amperage
b) be, in effect, a voltmeter
c) require a long warm-up period
d) have to be separately grounded

Answer 3

b) be, in effect, a voltmeter

Question 4

The colorimetric or “comparator” method of testing involves

a) the use of a meter
b) does not require the use of known standards
c) the sample changing colour
d) comparing the sample colour to a known colour

Answer 4

d) comparing the sample colour to a known colour

Question 5

A water test which involves the use of an electronic meter is the

a) hardness test
b) excess sulphite test
c) pH test
d) p Alkalinity test

Answer 5

c) pH test

Question 6

A substance used during a water test and which serves as a measuring tool is

a) a reagent
b) an indicator
c) an electronic device
d) the water sample

Answer 6

a) a reagent

Question 7

Most water testing reagents have

a) a red colour
b) a very strong odour which is harmful
c) a small scoop for measuring purposes
d) an expiry date

Answer 7

d) an expiry date