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To process refrigerant to a level that is equal to new product specifications as - ANS Reclaiming The low side test pressure data plate value should be used by a technician to determine a safe pressure for - ANS Leak testing Silicone elastomers are not compatible with what refrigerant - ANS HFC How many molecules does an ozone molecule contain? - ANS 3 oxygen atoms Recover any remaining refrigerant and then render the cylinder useless, then recycle the...

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

Vented to atmosphere - ANS The purged nitrogen gas shall be: 15 PSI - ANS Low pressure systems typically have a pressure relief valve set____: Slightly above than the atmospheric pressure - ANS The pressure of nitrogen at which that is introduced into the evacuation system after evacuation of refrigerant is: False - ANS CFCs are highly reactive in lower levels of atmosphere: Increase - ANS Long hoses between the unit and the recovery machine re...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 - ANS a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin la...

When moisture exists in an operating system, what is most likely to occur? - ANS Acid will form. What factor(s) affects the speed of evacuation? - ANS 1) The size of the equipment being evacuated. 2)The ambient temperature. 3) The amount of moisture in the system A system is considered dehydrated when? - ANS The vacuum indicator shows you have reached & held the required finished vacuum. The over-evacuation of a system: - ANS Does not occur. The ...

An individual trained to use appropriate educational strategies and methods to facilitate the development of policies, procedures, interventions, and systems conducive to the health of individuals, groups, and communities is known as a A) community planner. B) promotion specialist. C) health education specialist. D) professional. ANS - C) health education specialist. The early society most famous for building sewage systems, water supply systems, baths, and other health facilitie...

Health - ANS a dynamic state or condition that is multidimensional (i.e., physical, emotional, social, intellectual, spiritual, and occupational) resource for living, and results from a person's interactions with and adaptation to the environment (Joint Committee, 2012) Health Education - ANS Any combination of planned learning experiences using evidence based practices and/or sound theories that provide the opportunity to acquire knowledge, attitudes, and skills needed [to...

Which theory states that the "social environment, the personal characteristics of the individual, and behavior interact and influence each other" - ANSsocial cognitive theory All of the following are stages in The Transtheoretical Model of Change EXCEPT: - ANSRelapse T/F The Information- Behavioral Skills Model (IMB) was successful in dealing with HIV/AIDS prevention. - ANSFalse T/F The Transtheoretical Model of Change is composed of six stages. - ANSTrue Another name for the S...

Define *Health* - ANS -dynamic state that results from a person's interactions with and adaptations to the environment -multidimensional Define *Health education* - ANS any combination of *planned learning experiences* using evidence-based practices/theories TAKEAWAY: -to acquire knowledge and skills to adopt AND maintain healthy behaviors Definition of *Health Promotion* - ANS any combination of *planned education, political, environmental, or organizationa...

7 major responsibilities of a health education specialist - ANS 1. Assess needs, assets and capacity for health education 2. Plan Health Education 3. Implement Health Education 4. Conduct evaluation/research related to health education 5. Administer and manage health education 6. Serve as a health education research person 7. Communicate and advocate for health education Action steps taken to procure a first job in health education - ANS 1. Experience 2. Networkin...

True/False: Major minerals and trace minerals are inorganic elementsANS - True What happens when an individual does not ingest an adequate amount of calcium? A. The body reduces its absorption rate of calcium from the diet B. The bones release calcium in the blood C. The blood calcium level decreases significantly D. B & C E. A, B, & CANS - The bones release calcium in the blood Which of the following is responsible for the majority of dietary sodium intake in the U....

Describe the major role of water. - ANS It carries nutrients throughout the body, cleanses tissues and blood, solvent, chemical reactions, lubricant around joints, shock absorber, and body temperature. Identify the causes, signs and symptoms of dehydration. - ANS Causes: not enough water drank, diuretics (alcohol, caffeine), and eating a lot of salt. Symptoms: thirst, sudden weight loss, rough dry skin, dry mouth, rapid pulse, low bp, lack of energy, impaired kidney function, ...

Describe the major roles of water - ANS -carries nutrients -cleanses tissue and blood-solvent-> dissolves other substances to create a solution -chemical reactions -lubricant around joints -shock absorber -body temperature Identify the causes, signs and symptoms of dehydration - ANS Causes: don't drink enough fluids, diuretics, eat lots of salt and sugarSigns of mild: thirst, dry mouth, lack of energy/feeling tired, rough dry skin, sudden weight loss, rapid pulse, l...

major organ through which water is lost - ANS skin which is not a sign of dehydration? thirst increased urination shock pale skin - ANS increased urination which of the following is not a good source of zinc? milk beef shellfish potatoes poultry - ANS potatoes What impairs iron absorption? - ANS phyates which of the following is associated with increased iron absorption? - ANS vitamin C T/F: acceleration of Ca losses from bones is a...

If a natural gas piping system fails a pressure test, the technician must re-pressurize the system and check for leaks with? - ANS soap bubbles a pressure relief valve is installed to? - ANS avoid exceeding the system limits In a refrigeration system, what must be installed at 10' intervals on the suction line if the compressor is above the evaporator? - ANS Trap What occurs if a 3 amp load is connected to the secondary winding of a 24 volt, 40 V.A. transforme...

laminar flow - ANS - A streamline or viscous flow. - layers of water flowing over one another at different speeds with virtually no mixing between layers. - Fluid particles move in definite and observable paths or stream lines. - The flow is characteristic of viscous (thick) fluid or is one in which viscosity of the fluid plays a significant part. turbulent flow - ANS Irregular movement of particles of the fluid. What do you use to determine quantity of air flowing throu...

The man whose work is considered the real beginning of the science of air-conditioning _____. - ANS Willis Carrier Psychrometry refers to the relationship between _____ and _____. - ANS Humidity; air The amount of moisture in the air compared to how much it can hold is _____. - ANS Relative humidity The human bodies well being depends upon the _____. - ANS Bodies metabolism The device used to determine the moisture content of air is the _____ - ANS ...

jacob is a 2 year old whose mom thinks he is a fussy eater. what of the following guidelines is/are recommended fro him to follow? - ANS offer a wide variety of nutritious foods in a positive eating environment what process makes up the majority of most people's needs for calories? - ANS basal metabolism mussels and clams are good sources of iron - ANS true what does the set point theory hypothesize? - ANS the body has a desired weight and works to def...

Objective1: Describe what Power BI is used for and the basic components of the Power BI suite. - ANS What is Power BI ? - ANS * Power BI is a set of tools used to analyze data from a variety of sources. * Power BI includes three elements: a desktop application, a web- based service, & mobile apps. Objective 2: Describe the fundamental components of Power BI. - ANS Power BI Components: - ANS *The basic components in Power BI: -Visualizations including ...

OFOTCN: PART 1 QUIZ Questions With Complete Solutions