How many btus are in - Study guides, Class notes & Summaries

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...

HVAC PRETEST BOMA EXAM QUESTIONS AND ANSWERS Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide d. purge and lithium bromide - ANS a. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. . d. none of the above - ANS a. circulation The primary function of an expansion dev...

How many BTUs in 1 boiler horsepower CORRECT ANSWER-33475 btus ________ prevents the tube end from being overheated and being burnt off CORRECT ANSWER-Beading How many pounds of steam in 1 boiler horsepower ? CORRECT ANSWER-34.5 pounds of steam A stay that is shorter than 8" and threaded is required to have a ? CORRECT ANSWER-Telltale hole A through stay differs from a diagonal stay in that it runs the ——— ———- of the boiler CORRECT ANSWER-Entire length All boiler hea...

Massachusetts oil burner study guide with complete solutions What is the voltage found at the TT terminals - Correct Answer ️️ -24 volts What are the 8 steps of a no heat call - Correct Answer ️️ -1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on six check to make sure that tank shut off valve is open 7 know whether the tank is located above or below ...

how should an oil tank be supported - Answer-Ridgid non-combustible supports to prevent settling, sliding, or lifting what is the wire gauge used on oil burner circuits - Answer-14 gauge minimum how is an oil burner wired - Answer-oil burners are wired intermittent or interrupted what does intermittent or interrupted mean - Answer-intermittent - Transformer stays on throughout the burner firing cycle interrupted - Transformer drops out after flame established who approves oil burners in M...

Massachusetts oil burner study guide Accurate 100% What determines the gallons per hour of a nozzle - ANSWER Manufacturer ,the bore size, pump pressure or Orphus What is a series circuit - ANSWER an electrical or piping circuit where all of the current or fluid flows through the entire circuit What is a degree day - ANSWER The average temp for the day - 65 What is the flash point of number 2 fuel oil - ANSWER 115 degrees Fahrenheit When does the law require a combustion efficien...

Electric Heat ESCO - HVAC Excellence Exam Questions and Answers 100% Pass Before working on an electric furnace the tech should - Correct Answer ️️ -Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - Correct Answer ️️ -detects current leaks to groound the conductor in an electric heat element is usually made of - Correct Answer ️️ - Nichrome An example of resistive load is - Correct Answer ️️ -crankcase heater an examp...

Water boils at ______degrees celsius - Answer-100 In what direction does a vapor exert force - Answer-All How many BTUs are required to convert 27 pounds of 6°F Ice to 1398°F Steam - Answer-51,300 What is an integrated furnace control (IFC)? - Answer-An electronic module to control the operation of the furnace. Which of these are good insulators? - Answer-Air, Fiberglass What component transfers heat to room air and is a barrier that separates combustion gases from room air in a gas fir...

how should an oil tank be supported - ANSWER Ridgid non-combustible supports to prevent settling, sliding, or lifting what is the wire gauge used on oil burner circuits - ANSWER 14 gauge minimum how is an oil burner wired - ANSWER oil burners are wired intermittent or interrupted what does intermittent or interrupted mean - ANSWER intermittent - Transformer stays on throughout the burner firing cycle interrupted - Transformer drops out after flame established who approves oil bu...