Questions On Review 1-10

Question 1

Selct the best answer electrical grounding method?

Answer 1

Metal stake drive 8 foot into ground

Question 2

What is the acceptable range for residual sodium sulfite in the boiler maintain?

15-30
20-40
30-70
40-80

Answer 2

30-70

Question 3

What is the BTU content of gallon of #4

141,000
148,000
146,000
150,000

Answer 3

146,000

Question 4

What are the 4 steps for zeolite rejuvenation water softener process

Back wash brine rinse service
Bring slow rinse
Fast rinse

Answer 4

Backwash, brine, rinse, service

Question 5

Name the wire that connects all components of a system to a physical ground water pipe?

Answer 5

Grounding electrode conductor

Question 6

Data printed on the equipment nameplate would include manufacture, model, and serial number and

Answer 6

Stamp of approval from commissioning authority

Question 7

What chemical compounds in water cause permanent hardnes?

Calcium sulfite and magnesium silica

Sodium sulfite

Chorine

Calcium carbonate and magnesium carbonated

Answer 7

Calcium sulfite and magnesium silica

Question 8

What chemicals are used to combat corrosion

Calcium sulfite and magnesium silica

Sodium sulfite and hydrozine

Chorine

Calcium carbonate and magnesium carbonated

Answer 8

Sodium sulfite and hydrozine

Question 9

You have boiler water that is found to have a PH of 5. What component do you add to neutralize

Answer 9

Bases

Question 10

What produces soft scale?

Calcium sulfite and magnesium silica

Sodium sulfite

Chorine

Calcium carbonate and magnesium carbonated

Answer 10

Calcium carbonate and magnesium carbonate