PMT 108 TEST 1 PRACTICE QUESTIONS WITH COMPLETE SOLUTIONS

PMT 108 TEST 1 PRACTICE
QUESTIONS WITH COMPLETE
SOLUTIONS

WQAS - Water Quality Analysis Set - Answer- Purpose is to detect chemical and
microbiological contaminants in water

Characteristics of WQAS - Answer- Portable
Self sufficient
Foam inserts
water tight case
Shock resistant
no prep
weight ~55lbs
can be carried by one person

Components of WQAS - Answer- -Spectrophotometer with chemical reagent kit
- Incubator, field
- Presence/ absence media and sampling containers
- UV lamp
- Water test strips
- Individual test kits for
-- Arsenic, color, Cyanide, Dissolved oxygen, Turbidity

Capabilities of WQAS - Answer- - test for all physical and chemical properties in TB
MED 577
- Bacteriological analysis of potable water for coliform
- Provides qualitative analysis of potable water, TB MED 577
Quantitative analysis with hand-held devices in accordance with TG 230
Provide for proper storage if testing strips and other reagents
-

Suspension - Answer- A solution in which the solid solute does not dissolve in the
solvent but becomes suspended.

Colloidal solution - Answer- A solution in which the solute neither dissolved nor settles
to the bottom. Solute never settles out

Chromium - Answer- A beneficiary dietary supplement. The hexavalent form on
chromium can be toxic.