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

BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS Two basic categories of chillers are the compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, and ventilation circulation The primary function of an expansion device is to produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator, lower the boiling point of the refrigerant far enough below the temperature of the load to g...

1% concentration of ammonia is equal to what in parts per million - Answer-10,000 ppm 1/2 % of ammonia is it deadly concentration - Answer-True (5,000)ppm Ammonia is what on the pH scale - Answer-11.6 More than 100 pounds release of NH3 in 24 hours is a reportable for release . - Answer-True There are four primary types of injury with exposure to liquid ammonia. Please list all 4 - AnswerDehydration burn ,chemical burn ,thermal burn ,respiratory burn Ammonia causes cancer - Answer-False If...

Massachusetts Oil Burner Study Guide Rated A+ What is the voltage found at the TT terminals 24 volts What are the 8 steps of a no heat call 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 the burner I know the type and style of the system that is ...

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...

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 - Answer-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 - Answer-a. circulation The primary function of an expansion device is to ____. a. produce a reduction in the ...

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...

Esco Heat Pump Exam Questions and Answers Already Passed 14. The air-to-air heat pump outdoor unit is most efficient if located; C: in a moderate climate zone. 15. Which of the following are innovations that may be found on new high efficiency units? D. ECM motors 16. How may a lockout (impedance) relay be reset? C: Simply disconnect power to the unit momentarily. 17. The temperature difference between the 1t and 2od bulbs for heating on a heat pump thermostat is; C: approxima...

HVAC Pretest BOMA Questions and Answers Rated A+ 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 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 a. circulation The primary function of an expansion device is to _...

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...