WorksheetsRefresh Your Knowledge with Us (Dry Run)
Total questions: 20
Worksheet time: 3mins
Which cylinder body is made of titanium?
Welker CPC
Proserv Prolight
Proserv Type V
Which cylinder is suitable for single-phase sampling purposes?
Jiskoot CPC
Proserv 20L Flow-thru
Proserv Type VI
Which piston cylinder can be used for H2S sampling purposes?
Welker CPC
Proserv Prolight
Proserv Type VI
Which cylinder has rupture disc on its valves?
Swagelok Flow-thru
Proserv 20L Flow-thru
Welker CPC
For piston cylinder buffer, how to decide on the buffer pressure injected?
Remaining argon left in the lab
Slightly below sampling pressure
Slightly above sampling pressure
What is the pressure rating for Proserv Type V?
3000psig
5000psig
10000psig
What is the pressure rating for Proserv Type VI?
10000psig
15000psig
25000psig
How long do we perform pressure test for piston cylinder?
At least 15 mins
At least 30 mins
At least 1 hour
If the flow-thru cylinder is not pre-vacuumed in the lab, is it possible to collect sample without air contamination?
Yes
Maybe
No
For Proserv piston cylinder, how do we determine the volume of sample collected at site?
From the magnetic indicator
From the pressure gauge
From the volume of water displaced at cylinder water side
All the samples below includes in the Potable Water Category except:
Tap Water
Ice Water Maker
Cuckoo Water Dispenser
River water
What are the preservative(s) used to preserve Sulfide?
HNO3
KOH
ZnAc + NaOH
H2SO4
Type of sampling bottle suitable for Microbe testing
New bottle
Acid Washed Bottle
Sterile Bottle
Freshly Washed Bottle
pH level needed to preserve for Oil and Grease analysis
pH 5
pH 7
pH 2
pH 9
Sampling bottle for Oil and Grease analysis
HCl preserved glass bottle 1L
HCl preserved plastic bottle 1L
NaOH preserved glass bottle 1L
KOH preserved plastic bottle 1L
What type of preservative(s) needed for Alkalinity analysis?
H2SO4
None
HCl + KOH
HNO3
Below sample details are important for sample registration except:
Location/
Field & Sampling point
Sampler
Date & time
Appearance of sample
What type of sampling bottle is suitable for Mercury analysis?
New bottle
Freshly cleaned bottle
Acid washed bottle
Plastic bottle
Acid-washed bottles are washed using?
50% HNO3
Aqua regia
Concentrated HCl
10% HNO3
Why coated gas cylinders are suitable to be used for mercury mapping activity?
Looks pretty
It made up of tougher component than the non-coated
It provides stable storage for mercury
Just because..
