WorksheetsQUIZ: Water Content (EN ISO 12937)
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
Full Name (VM Number)
4 lines
2.
Date
4 lines
3.
1. Need to shake sample vigorously for
a)
10 seconds
b)
20 seconds
c)
30 seconds
d)
40 seconds
4.
2. After swirl, need to check for
(you can choose more than one answer)
a)
Water droplets
b)
Black particles
c)
Particulate matter
5.
3. Flush the sample _______________ times before drawing the sample
a)
One time
b)
Two times
c)
Three times
d)
Four times
6.
4. Inject the needle ________________________ liquid surface in vessel
a)
Below
b)
Above
7.
5. How many decimal places for sample weight?
a)
1 decimal place
b)
2 decimal places
c)
3 decimal places
d)
4 decimal places
8.
When do we need to monitor the performance of the reagent by injecting 10 μL of distilled water
(you can choose more than 1 answer)
a)
Immediately after change reagent
b)
when reagent level in vessel reached 130 mL
c)
After every 10 injections
9.
What is the signal that indicates we need to change the reagent?
a)
When the sample yielded higher test results during analysis
b)
When the solution became cloudy
c)
When the volume in the vessel reaches one-third of the reagent volume
d)
Whenever there's a need to replace the solution
100 %
