Water vapor - Study guides, Class notes & Summaries

What are some of the basic principles of Integrated pest management? - ANSWER1.) PREVENTION: Produce healthy plants that resist plants: (Selecting healthy plants, using certified seed, providing good growing conditions, and making a good match between the plant and the site) 2.) MONITOR AND IDENTIFY THE PEST: Identify the problem: (Finding out whether the damage to a particular plant is caused by a pest or by an environmental condition such as freezing or drought and always determine the exact ...

Combustion Requirements (3) - Answer Air, Fuel, Heat Complete Combustion Produces (4) - Answer Water vapor, carbon dioxide, heat, and non combustible ashes incomplete combustion produces (3) - Answer carbon monoxide, hydrocarbons, and other gases rate at which fuel burns is controlled by - Answer the amount of available air air to fuel ratio is a - Answer critical factor in obtaining optimum fuel combustion BTU - Answer British Thermal Unit, The amount of energy needed...

2024 update DC Third testing Questions and Answers 100% Pass The component in which liquid vapor by absorbing heat is called? - Correct Answer ️️ - Evaporator Select the best answer electrical grounding method? - Correct Answer ️️ -Metal stake drive 8 foot into the ground. A _____ valve should be used for throttling purpose? - Correct Answer ️️ -Globe What is the acceptable range for residual sodium sulfite in the boiler maintain? - Correct Answer ️️ -30-70 What is the B...

HVAC: EPA 608 Certification Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+ Are there alternative refrigerants that can be directly used in systems originally designed for R- 12? Why or why not? No, because these new refrigerants are not compatible with the lubricants and oils used in R- 12 systems. Explanation: The oils and lubricants in R-12 systems cannot properly interact with newer refrigerants, making direct replacements unfeasible. What type of o...

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...

What is the 3-step mechanism for drying? correct answers 1. hot air passed over wet food surface 2. latent heat of vaporization causes water to evaporate 3. water vapor is carried away by moving air What happens to the vapor pressure of the interior of food during drying? correct answers increases What happens to the vapor pressure of food surfaces during drying? correct answers decreases What are psychrometrics? correct answers study of the interaction of temperature and the humidity...

On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? CORRECT ANSWER Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? CORRECT ANSWER Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? CORRECT ANSWER Exc...

Minnesota Special Engineer Boiler License Exam Prep (2023/2024 Update) | Questions and Verified Answers| 100% Correct Q: A feed water line must have what two valves? Answer: Check & stop Q: After a new boiler is installed, what must be performed? Answer: Hydrostatic test Q: All stationary boilers of what pressure must have 2 valves on the blow off line? Answer: 100psi Q: How is boiler efficiency calculated? Answer: Output divided by input Q:...

Q-01 FDNY Exam With 100% Correct Answers Rupture members, when used in parallel with a relief valve, are not to exceed _____% above designed working pressure - answer20% Butterfly valve: where can it be used? - answerCan be used on the inlet and outlet of a water pump What electrical motor protection device automatically resets itself? - answerThe thermal protector 746 watts equals how many kilowatt hours? - answer.746 kilowatt hours What position is the liquid line service valve normal...

FDNY Z51 RMO Questions and Answers 100%Verified Graded A+ already passed!! the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from - correct answer lowering the condenser pressure In most semi hermetic compressors, the suction vapor is used for - correct answer cools the motor The amount of refrigerant that flows through the orifices of an economizer is determined by the - corre...