R4b a boiler - Study guides, Class notes & Summaries

ABSA 4B – 1 Questions with Complete Solutions 100% Verified Correct Answers R4B An anti-friction bearing: Select one: a. Tapered rollers b. Is a sleeve bearing c. Has rolling friction d. Wears to a smooth, low-friction surface e. Is constructed with white metal alloy - Correct Answer c The amount of water used in an evaporative condenser is only a small percentage of that used in a water-cooled condenser of the same capacity, because Select one: a. Water is scarce where evaporativ...

When a combustion air opening is equipped with dampers, the dampers must be - interlocked with the burner, and fully open before starting the boiler. R4B A substance that absorbs humidity inside a boiler during dry layup is: - Activated alumina (4-142-1.3) The high oil temperature shutdown device of an oil-fired heater senses the: - Oil temperature at the furnace outlet R4B A boiler furnace pre-purge: - must last a specific amount of time. R4B In a building plumbing system, the potable wa...

When a combustion air opening is equipped with dampers, the dampers must be - interlocked with the burner, and fully open before starting the boiler. R4B A substance that absorbs humidity inside a boiler during dry layup is: - Activated alumina (4-142-1.3) The high oil temperature shutdown device of an oil-fired heater senses the: - Oil temperature at the furnace outlet R4B A boiler furnace pre-purge: - must last a specific amount of time. R4B In a building plumbing system, the potable wa...

When a combustion air opening is equipped with dampers, the dampers must be - interlocked with the burner, and fully open before starting the boiler. R4B A substance that absorbs humidity inside a boiler during dry layup is: - Activated alumina (4-142-1.3) The high oil temperature shutdown device of an oil-fired heater senses the: - Oil temperature at the furnace outlet R4B A boiler furnace pre-purge: - must last a specific amount of time. R4B In a building plumbing system, the potable wa...

4th TSSA Part B Unit 4 Exam Questions and Answers Larger capacity, high pressure fuel trains are - Answer-more complex The main burner test firing valve should be opened - Answer-before starting the main burner What is the recommended boiler water pH for wet layup? - Answer-10 R4B Failure to _____ the furnace thoroughly before light-up can cause a furnace explosion. - Answer-purge R4B When cooling down a steam boiler that has been taken out of service, a vent valve on a steam drum ...

4th TSSA Part B - Unit 5 Exam Guide Questions and CORRECT Answers R4B A steam boiler that is to be shut down for a long period of time should be: - Ans Drained, thoroughly dried, have desiccant placed inside, and closed up R4B When two or more sling eyes are used when lifting an object, they should be: - Ans Held in a shackle

4th TSSA Part B - Unit 4 UPDATED Exam Questions and CORRECT Answers Larger capacity, high pressure fuel trains are - Ans more complex The main burner test firing valve should be opened - Ans before starting the main burner What is the recommended boiler water pH for wet layup? - Ans 10 R4B Failure to _____ the furnace thoroughly before light-up can cause a furnace explosion. - Ans purge

4th TSSA Part B Unit 4 Exam Questions and Answers Larger capacity, high pressure fuel trains are - Answer-more complex The main burner test firing valve should be opened - Answer-before starting the main burner What is the recommended boiler water pH for wet layup? - Answer-10 R4B Failure to _____ the furnace thoroughly before light-up can cause a furnace explosion. - Answer-purge R4B When cooling down a steam boiler that has been taken out of service, a vent valve on a steam drum sh...

4th TSSA Part B Test (I) Questions With 100% Correct Answers!!

4th TSSA Part B Unit 4 Exam Questions and Answers Larger capacity, high pressure fuel trains are - Answer-more complex The main burner test firing valve should be opened - Answer-before starting the main burner What is the recommended boiler water pH for wet layup? - Answer-10 R4B Failure to _____ the furnace thoroughly before light-up can cause a furnace explosion. - Answer-purge R4B When cooling down a steam boiler that has been taken out of service, a vent valve on a steam drum sh...