CWEA GRADE 1 LAB ANALYST PRACTICE TEST PART 2 EXAM ACTUAL EXAM 50 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES |AGRADE CWEA GRADE 1 LAB ANALYST PRACTICE TEST PART 2 EXAM ACTUAL EXAM 50 QUESTIONS AND CORRECT DETAILED ANSWERS WITH

CWEA GRADE 1 LAB ANALYST PRACTICE TEST
PART 2 EXAM ACTUAL EXAM 50 QUESTIONS AND
CORRECT DETAILED ANSWERS WITH RATIONALES
|AGRADE 2026-2027



How is color measured


Measured using visual comparison method

1 multiple choice option



What is the visual comparison method


Sample compared to standards using matching nessler tubes - Standards
prepared with solution containing chloroplatinate and cobaltous chlorid

2 multiple choice options



What is the standard unit for color?


One unit= color resulting from 1 mg of platinum/L

2 multiple choice options



What is 2-color reporting?


True and Apparent

1 multiple choice option

, Define True color


Color from suspended solids, determine using sample treated to remove turbidity

3 multiple choice options



What is Apparent Color?


Color from both dissolved and suspended solids

3 multiple choice options



What is Conductivity?


H2O capability to pass electrical flow

2 multiple choice options



What is the conductivity of pure water?


0

3 multiple choice options



What are the Units of conductivity?


µS/cm (micromhos/cm)

2 multiple choice options



What Temperature should conductivity be read at?


25 degrees Celcius

2 multiple choice options