Vapor pump Study guides, Class notes & Summaries

EPA 608 Type 3 Questions and Answers Already Passed On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be rep...

CETP Pre-Certification Review Questions and Answers Propane has many advantages as a fuel source, including: - ANSWER A. It burns slowly because of its low pump-octane B. It is stationary and non-portable C. It is a clean-burning, non-toxic fuel D. It leaves a high-residue as it burns If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to: - ANSWER A. Say nothing, gather up his or her tools and ...

Which of the following terms is used to refer to the process that generates sufficient quantities of burnable vapors to ignite in the presence of oxidizer A- paralysis B-fire coil C- vapor pressure D-flashpoint - D What type of reaction releases energy in the form of sometimes light A- Kinetic B- endothermic C- potential D- exothermic - D What product of combustion causes The most fire deaths A- carbon dioxide B- toxic smoke C- thermal energy D- hydrogen sulfide - ...

The bulk storage tanks used in bulk plants are built to _____ specifications. -Answer A. NFPA 58 B. NFPA 54 C. ASME D. EPA The foundations that support the bulk storage tanks are called _____. -Answer A. Risers B. Bulkheads C. Chock Blocks D. Saddles Most bulk plants are painted _____ for appearance and safety. -Answer A. White B. Black C. Orange D. Red Excess vapor pressure is released from bulk plant tanks and directed away from the tank through _____. -Answer A. Relief V...

CETP Pre-Certification Review | Real Quiz With Complete Solutions 2023 Propane has many advantages as a fuel source, including: A. It burns slowly because of its low pump-octane B. It is stationary and non-portable C. It is a clean-burning, non-toxic fuel D. It leaves a high-residue as it burns If a service technician is asked to perform a task that he or she is not fully trained or qualified for, the best action is to: A. Say nothing, gather up his or her tools and supplies, and quietl...

Iowa Core Manual* Questions with complete solutions If you are mixing a product that has a Section 18 emergency exemption in addition to the label on the product, what do you use for instructions on how to mix the product? The presence of sandy soil and a high water table _______ the potential risk of groundwater contamination. What should you do to contain a small pesticide spill? A. Surround the spill with containment snakes or pillows. B. Hose down the spill to dilute it. C. Ignore ...

1. R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed... ANS 6-7 psi or 6°F 2. The primary purpose of using flux when soldering copper or brass parts is to... ANS Prevent oxidation 3. The water that results from a defrost cycle of an air to air heat pump (runoff) must drain off and away from the outdoor coil to... ANS Prevent excessive ice can build up on the bottom of the coil and reduce capacity 4. The component used to reduce so...

a vacum pump should be connected - Correct answer-as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - Correct answerdramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - Correct answer-oxygen atoms one chlorine atom can destroy - Correct answer-100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - Correct answer-CFC's cann...

1. R-22 vapor line diameters and lengths are typically specified for a ANS Vapor pressure drop that does not exceed 6 - 7 psi or 6°F. 2. The primary purpose of using flux when soldering copper or brass parts is to ANS Prevent oxidation. 3. The water that results from a defrost cycle of an air to air heat pump (runoff) must ANS Drain off and away from the outdoor coil to prevent excessive ice can build up on the bottom of the coil and reduce capacity. 4. The component used to reduce sound ...

HVAC NATE Heat Pump Exam 2024 Correctly Answered! On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER 6-7PSI or 6F