Hygroscopic - Study guides, Class notes & Summaries

CWB Welding Inspector Level 3 Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| All Modules Covered| 100% Correct| Grade A Q: Fluxes that can dissolve the oxides on Al are ............ Answer: Halide compounds ( Fluorine, chlorine, Bromine etc.) Q: Chlorine gas from a Chloride flux in presence of an arc can create poisonous gas called .......... Answer: Phosgene (COCL2) or Mustard gas produced by the reaction of chlorine and carbon monoxide in the prese...

CWB Welding Inspector Level 3 Exam Prep (Latest 2024 / 2025 Update) Questions and Verified Answers | All Modules Covered | 100% Correct | Grade A Q: Fluxes that can dissolve the oxides on Al are ............ Answer: Halide compounds ( Fluorine, chlorine, Bromine etc.) Q: Chlorine gas from a Chloride flux in presence of an arc can create poisonous gas called .......... Answer: Phosgene (COCL2) or Mustard gas produced by the reaction of chlorine and carbon monoxide in the presence of intense light...

BOMA - Instrumentation & Controls Questions and Answers Rated A+ What important function(s) does an air receiver perform? Dissipates heat, Dampens compressor pulsations, Act as water and oil trap On a compressed air system a safety valve would generally be installed on the: Air receiver Variable air volume system: Typically use VFDs to save energy In figure 1.3, a full call for cooling would be at what branch pressure to the damper motor? 3 psig A ratio relay would be used to. Contr...

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...

IICRC – WRT EXAM LATEST UPDATE ALREADY GRADED A+ A first priority on every water loss is to conduct a - ANSWER>>Hazard and risk assessment All technicians required to wear respiratory protection must be: - ANSWER>>Trained, Fitted for mask and evaluated medically. Two hazardous materials commonly found in older structures are - ANSWER>>Lead and Asbestos Water damage restoration work never begins without a signed - ANSWER>>work authorization To minimize damage to bui...

A first priority on every water loss is to conduct a - Answer- Hazard and risk assessment All technicians required to wear respiratory protection must be: - Answer- Trained, Fitted for mask and evaluated medically. Two hazardous materials commonly found in older structures are - Answer- Lead and Asbestos Water damage restoration work never begins without a signed - Answer- work authorization To minimize damage to building materials and contents, restorers should perform _____________...

The homeowner - ANSWERis responsible to take the necessary steps to preserve and protect their property from further damage Four principles of water damage restoration: - ANSWERProvide for health and safety of workers and occupants; Document everything; Mitigate, and Dry Four principles of drying - ANSWERExtract, Evaporate, dehumidify, control temp Extraction - ANSWERis removing excess water and is the first step in mitigation Evaporation - ANSWERis achieved by using energy (heat) to...

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...

Four principles of water damage restoration: - ANSWER-Provide for health and safety of workers and occupants; Document everything; Mitigate, and Dry Four principles of drying - ANSWER-Extract, Evaporate, dehumidify, control temp Extraction - ANSWER-is removing excess water and is the first step in mitigation Evaporation - ANSWER-is achieved by using energy (heat) to transform water trapped in porous materials into a vapor, thereby releasing the moisture from the materials. Dehumidifi...

The most critical course of action in restoration during is to _______ an begin __________ as soon as possible respond quickly & mitigation All restorers should follow the standard of care for the water restoration profession developed by the restoration industry entitled the IICRC ____. s500 to help protect technicians from the many hazards associated with contaminated water losses restorers need to have ready access to several items. these items protect for all _________________ to the...