Feedwater - Study guides, Class notes & Summaries

ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS. Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers e The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. acidic neutral softer ba...

Boiler water is treated in order to prevent a) sludge, mud, pitting, corrosion b) foaming, corrosion, carryover, sludge c) sludge, corrosion, scale, carryover d) scale, sludge, mud, pitting e) foaming, carryover, pitting, corrosion c Dissolved solids in raw water a) cause pitting of boiler surfaces b) cause grooving of piping surfaces c) are organic matter d) cannot be removed with filters e) cause corrosion of boiler surfaces d Boiler surfaces may have what appears to ...

In a reciprocating feedwater pump, the _______________ A. water piston is larger than the steam piston B. water and steam piston are the same size C. steam piston is larger than the water piston D. steam valve has to be as large as the water valve correct answer: C. steam piston is larger than the water piston An ignition arch is used with a(n) ________________ stoker A. sidefeed B. spreader C. underfeed D. chain grate correct answer: D. Chain grate The try cocks on a wat...

In a reciprocating feedwater pump, the _______________ A. water piston is larger than the steam piston B. water and steam piston are the same size C. steam piston is larger than the water piston D. steam valve has to be as large as the water valve correct answers C. steam piston is larger than the water piston An ignition arch is used with a(n) ________________ stoker A. sidefeed B. spreader C. underfeed D. chain grate correct answers D. Chain grate The try cocks on a water...

ABSA 4B EXAM Questions with Complete Solutions 100% Verified 2024/2025 Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring - Correct Answer b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers - Correct Answer e The boiler feedwater becomes increasingly ____ as it approaches the measurement of z...

Plant Operations BOMA Pre-Quiz 1-100 Latest Version Already Passed How may fittings be attached to a high pressure boiler? a. threaded b. certified welds c. flanges d. any of the above d. any of the above Which test determines the relieving capacity of safety valves? a. hydrostatic test b. accumulation test c. orsat test ration test b. accumulation test Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): a. flash tank b. open feedwat...

ABSA: 4th Class Part B - Comprehensive Exam 1 Questions with Complete Solutions 2024/2025 Temporary hardness in feedwater is caused by: Select one: a. Magnesium sulphate b. Calcium carbonate c. Magnesium bicarbonate d. Sodium nitrate - Correct Answer c What is the recommended boiler water pH for wet layup? Select one: a. 10 b. 12 c. 7.5 d. 7 - Correct Answer a A photoelectric flame scanner: Select one: a. Produces a steady voltage signal b. Requires a clear line of sigh...

Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring Correct Answer-b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers Correct Answer-e The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. acidic

Power Engineering 4a - Unit 12 - Elements of a boiler system latest update graded A+ Carbon that is not combined with hydrogen is referred to as: Select one: a. Mono-carbon b. Separated carbon c. Free carbon d. Fixed carbon D As a general rule the size of the condensate receiver should be large enough to hold a volume of condensate equal to the water evaporated by the boiler in a _____ period. Select one: a. One and one half hour b. One hour c. 45 minute d. 20 to 30 minu...

A typical natural gas flame should be: a. blue, with orange at the tip of the flame b. asymmetrical, and as close as possible to the heat transfer surfaces. c. bright yellow, with black tips. d. bright yellow, with orange tips. - Answer a Which of the following is NOT done when preparing a steam boiler feedwater system? a. Confirm that the boiler water level is within range. b. Verify that the boiler feedwater pumps are in service. c. Place the feedwater pre-treatment equipment i...