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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo 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 ANSWEREster based oils and they do not mix with other oils What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is diffe...

MISY 5325 MS Excel Midterm Exam Questions With Answers Latest (100% VERIFIED) When you hide a column or row, the data is not deleted, it is just hidden. - ANSWER True Text in a cell can by angle clockwise - ANSWER True The ___ command is helpful for navigating to a cell that is not visible onscreen - ANSWER Go to The ___ view displays print options and displays a worksheet in print preview - ANSWER Office Backstage Comma, Date, Time, and Fraction are all number formats available in Excel...

ARDMS SPI Exam Questions and Multiple Choice Answers Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - CORRECT ANSWER-a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - CORRECT ANSWER-e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the tra...

TEST BANK Radiographic Pathology for Technologists 6th Edition by Nina KowalczykTable of Contents Chapter 1: Introduction to Pathology .................................................................................................... 1 Chapter 2: Skeletal System .................................................................................................................. 6 Chapter 3: Respiratory System ...........................................................................................

ASE S4 Brakes |Complete Questions with Graded A+ Correct Answers The air system is maintained at what pressure? 100 to 120 pounds per square inch. At what pressure does the low pressure switch activate? Below 60 pounds per square inch. A safety or pop off valve is usually installed in which reservoir? In the one closest to the compressor. Why is the Wet tank referred to as such? It is the one closest to the compressor and has the most water in it. What is an after cooler...

ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. f...

Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo 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 ANSWEREster based oils and they do not mix with other oils What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mi...

HVAC: EPA 608 Certification Study Guide with 100% Complete Solutions 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 ️️ -Alkylbenzene lubric...

You have a Power BI model for sales data. You need to create a measure to calculate the year-to-date sales and to compare those sales to the previous year for the same time period. Which DAX function should you use? a) PARALELLPERIOD b) SAMEPERIODLASTYEAR c) DATESYTD d) PREVIOUSYEAR c) DATESYTD You have a Power BI report that displays a bar chart and a donut chart on the same page. The bar chart shows the total sales by year and the donut chart shows the total sale by category. You ...

EPA 608 TYPE 1 ACTUAL EXAM DETAILED QUESTIONS AND CORRECT ANSWERS ALREADY A GRADE 2024 LATEST. Heat pumps that have been retrofitted from R-22 to R-407C should be leak checked with: ________. a) HFCs b) HCFCs c) pressurized nitrogen d) compressed air - ANSWER- c) pressurized nitrogen When inspecting a system for leaks, you should look for: ________. a) frost on the pipes b) puddles of liquid refrigerant c) particles from the drier core d) traces of oil - ANSWER- d) traces of oil S...