Dew point is t - Study guides, Class notes & Summaries

A reading of 894 of pressure on a surface weather map actually represents an atmospheric pressure of correct answers 989.4 mb Which satellite image cannot be view at night? correct answers Visible The 300 mb constant pressure level is at a height of around correct answers 30,000 feet what are the three, that is measured in a rawinsonde sounding? correct answers Wind speed and direction, temperature, and Dew Point (T/F) A radar signal travels at the speed of light correct answers True...

API-653 – TEMPERATURES EXAM QUESTIONS AND ANSWERS Reconstruction -Base metal temp where welding is not allowed - Answer- < 0 F --- ref. (653: 10.4 .2.3 ) Reconstruction -Base metal temp when hand-warm pre-heat is required - Answer- 0-32 F --- ref. (653: 10.4.2.3 ) Linings -Minimum temp when performing abrasive blasting - Answer- 5 of above dew point --- ref. (0.) Linings -Minimum temp when installing tank bottom linings - Answer- 5 of above dew point --- ref. (0.) Corrosion -The c...

Water Damage restoration Test Questions and Answers A primary responsibility after arriving on a water loss is to _______, once done you should then _______ - ANSWER Identify safety hazards Manage the hazard T/F Do not use equipment with damaged cord or ground plug missing - ANSWER T equipment with damaged cords need to be taken out of service and properly repaired Chemical molds produce to fend off other microorganisms - ANSWER Mycotoxins The at risk/high risk population includes - A...

Three million BTUs is equal to how many kWh? - Answer-879 which of the following is among the four environmental factors that affect human comfort in the indoor environment - Answer-The Delta T Approximately how many cubic feet of natural gas would be required to produce 275,000 Btus? - Answer-275 Comfort is not a function of which of the following: - Answer-The amount of exfiltration ( air exiting the home) Convection is best exemplified by: - Answer-Warm air exfiltrating into the a...

ATSC 231 BLOCK 5 FINAL EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+ A rapid change of more than ________ of airspeed is an indication of severe wind shear. - -15 KTS A(n) ______ is a fluctuation of wind speed with variations of 10 knots or more between peaks and lulls. - -gust Severe wind shear with a front may occur when the front at the surface is moving at a speed of at least? - -30 KTS Severe wind shear with a front may occur when the temperature difference across the front at the ...

API 653 CLOSED BOOK Exam 100 Questions with Verified Answers Two methods of quantifying the remaining thickness of tank bottoms are mentioned in API 653. One method uses the formula involving "MRT". What is the name of the other method? a. Deterministic and Analytic b. Methodological and Non-destructive c. Quantitative and Destructive d. Probabilistic and Deterministic - CORRECT ANSWER Probabilistic and Deterministic What is the maximum out-of-plumbness allowed from the top of the sh...

Warm air cannot hold as much water vapor as cold air correct answers True Which one of the following air/water vapor mixture characteristics cannot be read from a psychrometric chart? correct answers Equivalent temperature Which one of the following is an indicator of the TOTAL heat in an air/water vapor mixture? correct answers Wet-bulb temperature Vapor barriers are installed on or near the ______ side of a construction. correct answers Warm What is the quantity of water that will ...

HVAC: EPA 608 Certification Study Guide Questions And Answers 100% Guaranteed Success. Are there drop-in replacements for R-12 systems? Why or why not? - correct answer. No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - correct answer. Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - correct answer. Alkyl...

What is the first thing a tech should do when arriving at a no combustion call? - AnswerAsk how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answer- 300-10...

What prevents the water in a hydronic heating system from boiling into steam when the system is operating above the atmospheric temperature? - correct answer -Pressurization of the system List the four subsystems of a hydronic space heating system? - correct answer -Heat Source, Circulation system, Heat Emitters, Control system What must be done to protect the potable water supply to a hot water boiler? - correct answer -Approved backflow preventer installed in the water supply Above wh...