CWT MOCK EXAM 2024.2025 WITH GUARANTEED ACCURATE ANSWERS |VERIFIED
2 views 0 purchase
Course
CWT
Institution
CWT
The total dissolved solids (TDS) of a water supply may be measured by:
a. Weighing a measured volume of water.
b. Filtering a measured volume of water and weighing the residue on the filter paper.
c. Weighing the residue left after evaporating a given volume of filtered water.
d. Same as sp...
CWT MOCK EXAM 2024.2025
CWT MOCK EXAM 2024.2025 WITH GUARANTEED ACCURATE ANSWERS |
VERIFIED
The total dissolved solids (TDS) of a water supply may be measured by:
a. Weighing a measured volume of water.
b. Filtering a measured volume of water and weighing the residue on the
filter paper.
c. Weighing the residue left after evaporating a given volume of filtered
water.
d. Same as specific conductance. - ACCURATE ANSWERS✔✔ c.
Weighing the residue left after evaporating a given volume of filtered
water.
The most economical method for removing dissolved gases from boiler
feedwater is:
a. Condensate polishing with ion exchange resin.
,b. Addition of sodium sulfite.
c. Addition of catalyzed hydrazine.
d. Steam deaeration. - ACCURATE ANSWERS✔✔ d. Steam
deaeration.
A bottle weighs 0.45 lb when empty, 0.84 lb when filled with water and
0.77 lb when filled with a new water treatment product you have
developed. What is the "specific gravity of the new product?
a. 1.117
b. 1.091
c. 0.917
d. 0.821 - ACCURATE ANSWERS✔✔ d. 0.821
The federal agency responsible for enforcing MSDS regulations is:
a. EPA
b. OSHA
c. ACGIH
d. FDA - ACCURATE ANSWERS✔✔ b. OSHA
If the system is equipped with an economizer, what should the minimum
feedwater sulfite level be, in ppm SO3?
a. Anything above zero.
b. 3 ppm.
c. 5 ppm.
, d. 8 ppm - ACCURATE ANSWERS✔✔ c. 5 ppm.
"Absolute" pressure in lbs/in2 is:
a. measured at the bottom of a water column.
b. atmospheric pressure at sea level.
c. related to the "absolute" temperature of steam.
d. the sum of gage and atmospheric pressure - ACCURATE
ANSWERS✔✔ d. the sum of gage and atmospheric pressure.
When using salt for regeneration, the usual dosage range is:
a. 2 - 3 pounds/cubic foot of resin
b. 3 - 5 pounds/cubic foot of resin
c. 6 - 12 pounds/cubic foot of resin
d. 10 - 16 pounds/cubic foot of resin - ACCURATE ANSWERS✔✔ c. 6
- 12 pounds/cubic foot of resin
Total Hardness is a combination of:
a. Calcium and Manganese.
b. Calcium only.
c. Sodium and Calcium.
d. Calcium and Magnesium. - ACCURATE ANSWERS✔✔ d. Calcium
and Magnesium.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller GRADEUNITS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
