Nate ac exam 1 - Study guides, Class notes & Summaries

NATE A/C Exam #1 Review Questions and Answers 2023/2024

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuate the system, replace filter cor...

A 3ton residential split system should move about how many CFM total? A: 800 CFM B: 1000 CFM C: 1200 CFM D: 1500 CFM - C: 1200 CFM Rule of thumb, tonnage x 400 = cfm; 3 x 400 = 1,200cfm A compressor is short cycling. Which of the following would not be the cause? A: Low pressure controller differential set too close B: Automatic reset high pressure control differential set too close C: Low refrigerant charge D: Leaking compressor suction valve - D: Leaking compressor suction valve A d...

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuate the system, replace filter cor...

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator : A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? 2 A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuate the system,...

NATE Final Exam #2, question and answers with rated solutions A condensing unit should be mounted on a slab that is level to: A: Allow any accumulated water to evenly run out of the cabinet B: Increase airflow through the fin area C: Prevent the unit from tipping over D: Make certain any top discharge air blows straight up A A simple time-activated switch is an example of a control that does not use: A: Feedback B: Electronics C: Calibration D: Manual adjustment ...

NAB Exam 1. Gerontologists Categories - How is Young-Old Defined>>>>65 to 74 years old 2. Gerontologists Categories - How is Old-Old Defined>>>>75 to 84 years old 3. Gerontologists Categories - How is Oldest-Old Defined>>>>Over 85 + years old 4. The morning meal must be served within how many hours after the previ- ous meal>>>>14 Hours, if the required evening snack is substantial and the resident approves 16 hours may elapse 5. A fu...

NAB Exam 1. Gerontologists Categories - How is Young-Old Defined>>>>65 to 74 years old 2. Gerontologists Categories - How is Old-Old Defined>>>>75 to 84 years old 3. Gerontologists Categories - How is Oldest-Old Defined>>>>Over 85 + years old 4. The morning meal must be served within how many hours after the previ- ous meal>>>>14 Hours, if the required evening snack is substantial and the resident approves 16 hours may elapse 5. A fu...

NATE Exam: Core Essentials, questions and answers. Verified d (very important) The ability to utilize all types of communication skills is ____ to the HVACR technician. a. not as important as "hands-on" technical skills b. somewhat important c. unimportant d. very important d (all of the above: clear, complete, concise) It is important to be ____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. ...

What is a hypothesis? What are the Key features of a good hypothesis? What is a Null Hypothe- sis? What does qualitative data refer to? What does Quantitative data refer to? An Idea that you can test using practical exper- iments A good Hypothesis must: Be able to be tested scien- tifically Relate one dependent variable to on independent variable States that there is no relationship or causality, for example, no relation between the temperature and the rate of reaction. It refers to...