Heat flux 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...

NATE AC Service Certification Questions And Answers 2023 Verified Tests A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ou...

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...

IFSTA 7th Edition Chapter Test 14 When firefighters apply water to the hot gas layer in a compartment, it will: (670) [4.3.10] increase the potential for flashover. increase the radiant heat flux from the upper layer. reduce the radiant heat flux from the upper layer. push fire into adjacent rooms. - ANSWER reduce the radiant heat flux from the upper layer. What can happen if excess steam is produced inside the structure as a result of applyi...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

CWB Level 1 Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Why must European drawings be studied carefully before fabricating parts? Answer: The drawings may employ the use of first angle projection Q: How many principal views are there in an orthographic projection? Answer: 6 Q: What is the angle of inclination most commonly used on an isometric drawing? Answer: 45degree Q: Which lines appear thicker on an engineeri...

GIA Colored Stone Final Exam Questions And Answers Latest Update 2024/2025 (100% CORRECT) By what date had Kokichi Mikimoto begun culturing whole pearls - Answer 1908 Synthetic gem materials - Answer Are not minerals which of the following is an organic gem - Answer amber which of the following is amorphous - Answer amber a natural material that's made up of a mass of one or more kinds of mineral crystals is - Answer rock what group does alamandine belong to - Answer garnet A gem produce...

Complete Solutions Manual for Nuclear Reactor Thermal Hydraulics, 1st Edition by Robert E. Masterson ; ISBN13: 9781138035379.(Full Chapters included Chapter 5 to 34)..Chapter 1,2,3,4 Solutions not Available....5. Thermal Energy Production in Nuclear Power Plants 6. The Laws of Thermodynamics 7. Thermodynamic Properties and Equations of State 8. The Nuclear Steam Supply System and Reactor Heat Exchangers 9. Reactor Thermal Cycles 10. The Laws of Nuclear Heat Transfer 11. Heat Removal from N...

NFPA 1035 Exam Prep 2023 with complete solution 1. The transfer of heat by the movement of air or liquid best defines: A. Conduction B. Radiation C. Convection D. Direct flame contact C Heat transfer that takes place in the form of electromagnetic waves is known as: A. Convection B. Radiation C. Conduction D. Direct flame contact B By which of the following methods can heat travel throughout a burning building? A. Conduction, radiation and convection B. Extension, conduction, an...

CWB Level 1, Mod 4 - Welding Processes & High current, low voltage - correct answer Describe the current and voltage of a welding arc 30% arc heat at the electrode. 70% arc heat at the work. - correct answer What is the percentage of arc heat at the electrode and at the work when using the GTAW process with current set to DCEN? 15 degrees using a push technique - correct answer What travel angle and technique should be used with MCAW for a flat profile and good penetration? They are cla...