An up flow furnace - Study guides, Class notes & Summaries

ABSA 5th Class | 250 Questions | With Completed Solutions. Where are the return openings located regarding air distribution systems? Return air openings are located on inner walls. The minimum temperature of the water used in a hydrostatic test of a boiler cannot be less than what temperature? 20 degrees Celsius Which of the following are causes of pressure explosions? 1. effects of corrosion 2. weak pilot flame 3. stressed material due to heating too quickly 4. insuffic...

ABSA 4b Exam Latest Version. Warm Air Heating System Equipment In a warm air heating system the cold air return registers are located a) in exterior walls b) in interior locations c) under windows d) in floors e) in ceilings B The major disadvantage of an electric resistance coil furnace for warm air heating is a) the high cost of electricity b) the danger from electric shock c) the high cost of maintenance d) the large size of the furnace e) the location of electrical wi...

upStationary Grade 3 Engineering License Exam - Q & A , Complete Solutions How can you lose your license? 1) drinking on the job 2) sleeping on the job 3) negligence 4) unsafe work 5) signing a falsified license application for someone 6) failing to renew your license annually What must you do if you change jobs? notify city hall if you change jobs, address or retire Why should you do rounds? Find and correct problems to prevent breakdowns. Keeping permanent records will make it easy to foreca...

ABSA 4B Exam Questions with 100% Correct Answers 2024/2025 - answerWarm Air Heating System Equipment In a warm air heating system the cold air return registers are located a) in exterior walls b) in interior locations c) under windows d) in floors e) in ceilings - answerB The major disadvantage of an electric resistance coil furnace for warm air heating is a) the high cost of electricity b) the danger from electric shock c) the high cost of maintenance d) the large size of the fur...

Gas Fitter 2 Practice Test Questions And Answers 100% Verified A room heater installed in either a sleeping area or public area shall be: A. direct vent only B. equipped with a regulator C. equipped with a fan D. equipped with an on / off switch on the wall - answerB What type of vent must be used when the vent of a wall furnace will be concealed in a partition wall? A. B vent B. L vent C. BH vent D. BW vent - answerD Single wall vent connectors: A. may pass through floors, ceiling...

Stationary Engineer Exam Questions With Correct Answers Latest (GRADED A+) On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - Answer TH=(Ca x 2.5) + (Mg x 4.1)nTH=(60 x 2.5) + (18 x 4.1)nTH= 150+73.8 =( 223.8 PPM) How often s...

Main propulsion Boiler Operation Exam Questions With Correct Answers, Latest Updated 2024/2025 (GRADED) Boiler overload capacity is normally what percentage of boiler full power capacity? - Answer 120% A pressure specified by the boiler manufacturer as a criterion for the boiler design is termed as? - Answer Design pressure What is the minimum steam drum pressure on an operating boiler? - Answer 85% of boiler operating pressure What is the minimum steam drum pressure on an operating boiler...

Stationary Engineer Exam Questions and Answers Latest 2024/2025 (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hard...

The Heating and Cooling Inspection AHIT Exam Questions and Answers When inspecting the heating equipment, the inspector is not required to _________. A. operate the system using normal operating controls B. open readily openable access panels provided by the manufacturer C. observe automatic safety controls D. operate heating systems when conditions may cause equipment damage - Answer-D. operate heating systems when conditions may cause equipment damage What should an inspector do if the...

Massachusetts Oil Burner License Exam - Questions and Answers Which substance offers the most resistance to the flow of electricity? Carbon What must be done to a draft gauge before use? Zero out the scale Which of the following is considered the better chimney? Cement block with a tile liner Air is composed of oxygen and nitrogen in what percentages? 21 and 79 Before installing a new nozzle the service technician should: Flush out the nozzle line and adapter Pulsating oil pump pressure is cau...