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CCHT PRODUCT WATER EXAM QUESTIONS
Qs and Ans - Expert- Explanation - ing score -24 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: The TDS (Total Dissolve Solids) Setting on the RO should be set at ____ times the TDS reading
Answer:
2
Question 2: Hardness strips are used to test for ___ and ___
Answer:
Calcium and Magnesium
Question 3: When is the low level alarm set on the holding tank
Answer:
Always
Question 4: The HACH meter is
Answer:
Daily
Question 5: When the test is H. drops to ____ the RO membranes must be replaced
Answer:
80
Question 6: The TDS meter is standardized ______ with a full calibration done _____
Answer:
daily; weekly Question 7: Water exceeding the TDS alarm limits will cause the product diverter to send the water to the
Answer:
Drain Question 8: A delta pressure of ____ would indicate the pre filter needed to be changed
Answer:
10
Question 9: How many Backflow preventers should each facility have
Answer:
- for pretreatment and 1 as a back-up
Question 10: The purpose of the Residual Chlorine strips is to test for ____
Answer:
Bleach
Question 11: RPC strips are used to test
Answer:
Total Chlorine Question 12: One particle the RO will not remove is ___ (Carbon Tanks perform this task)
Answer:
Chlorine Question 13: Invisible radiation used to alter the DNA of bacteria is provided by a
Answer:
UV LIGHT
Question 14: The Ultra filters are located
Answer:
after the holding tank
Question 15: Wave length of UV Light is
Answer:
254 Question 16: The vial for testing Total Chlorine is filled with ____ml of sample water
Answer:
10 ml
Question 17: The loop pumps should run
Answer:
24/7
Question 18: Idea pH of incoming water is
Answer:
7
Question 19: Product water is called
Answer:
Permeate Question 20: After adding the pillow packet to the test sample the sample is read at ___ to __ min
Answer:
- to 6
Question 21: The RO should produce water that meets
Answer:
AAME Standards
Question 22: The loop piping is usually made of
Answer:
PVC
Question 23: Pre Filters for the Reverse Osmosis machine are sized at
Answer:
- microns
Question 24: One method to test the performance of the RO is to calculate
Answer:
Percent Rejection
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