CWT MOCK EXAM 2024.2025 WITH GUARANTEED ACCURATE ANSWERS |VERIFIED
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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.
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