WATER TREATMENT: CHAPTER 6: TEST QUESTIONS
WITH COMPLETE SOLUTIONS
A direct cause of overheating of boiler tubes is _________. -- Answer ✔✔ scale
formation on the tubes
Priming is dangerous and could lead to ______________ hammer. -- Answer ✔✔
water
Scale buildup on the water side of a steam boiler is caused by __________. -- Answer
✔✔ improper boiler water treatment
Trace amounts of dissolved oxygen in the boiler water are removed by __________. --
Answer ✔✔ adding sodium sulfite to the feedwater
The required frequency for blowing down a steam boiler is best determined by
____________. -- Answer ✔✔ boiler water analysis
A cold lime-soda softener works at ___________. -- Answer ✔✔ ambient temperature
WITH COMPLETE SOLUTIONS
A direct cause of overheating of boiler tubes is _________. -- Answer ✔✔ scale
formation on the tubes
Priming is dangerous and could lead to ______________ hammer. -- Answer ✔✔
water
Scale buildup on the water side of a steam boiler is caused by __________. -- Answer
✔✔ improper boiler water treatment
Trace amounts of dissolved oxygen in the boiler water are removed by __________. --
Answer ✔✔ adding sodium sulfite to the feedwater
The required frequency for blowing down a steam boiler is best determined by
____________. -- Answer ✔✔ boiler water analysis
A cold lime-soda softener works at ___________. -- Answer ✔✔ ambient temperature
