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

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...

Fracture is a type of material failure. Of the following which is another type of material failure? - Permanent deformation. Which of the following statements best differentiates between a defect and a discontinuity? - Discontinuities can propagate and become defects. Nondestructive testing is often differentiated from other measurements or inspection techniques in that: - NDT involves indirect tests related to some other quality or characteristic of material. What are the functions of ...

Stationary Engineer Exam Questions and Answers Latest (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 hardness of 1...

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...

An up flow furnace correct answersHas the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. correct answers2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? correct answers280,000 What could be the cause of a high steak temperature correct answersToo much air How would you prove a furnace was stopped up with soot in the heat exchanger correct answersDraft gauge a...

Oil burner's Test Questions 1-200 ( Answered ) Oil burner's test questions 1-200 In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must - ANS Increase Atomizing type burners were designed to burn which type of fuel - ANS Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by - ANS Reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil. A fuel oil storage tank ...

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 wiring ...

MN Boiler License Exam Questions and Answers, Latest Updated 2024/2025 (GRADED) what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's - answerc) turbulence, temperature, time 3T's why is secondary air necessary in hand fired boilers? a) Necessary to burn the combustible gases b) if primary air should fail c) used only if sulfur content is high - answera) Necessary to burn the combustible gase...

Main propulsion Boiler Operation Exam Questions With Correct Answers, Latest Updated 2024/2025 (GRADED) The number of pounds of steam generated per hour at the pressure and temperature required for all purposes to develop contract shaft horsepower of the ship divided by the numbers of boilers installed is defined as? - Answer Boiler full power capacity Boiler overload capacity is normally what percentage of boiler full power capacity? - Answer 120% A pressure specified by the boiler manufac...

HVAC OIL BURNER EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ An up flow furnace Correct answer: Has the return air at the bottom Of the six regular grades of fuel oil,The grade most commonly used in residential and light commercial heating systems is No. Correct answer: 2 How much heat is produced when 2 gallons of No. 2 fuel oil is burned? Correct answer: 280,000 What could be the cause of a high steak temperature Correct answer: Too much air How would you p...