Hvac final exam unit 10 - Study guides, Class notes & Summaries

HVAC FINAL EXAM QUESTIONS AND ANSWERS ALL CORRECT.docx Which of the following would have the greatest effect on the heat content of the refrigerant? A)The refrigerant's humidity B)The refrigerant's state C)The refrigerant's temperature D)The refrigerant's pressure - Correct Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - Removing heat from the room. The four types of cooling mechanisms are: - Evaporative, Thermoelectric, Absorption, Mecha...

HVAC Unit 20 FINAL Exam Study Guide 2024. What is the best method to repair a fractional horsepower motor that has a bad bearing? - CORRECT ANSWER Replace the entire motor. A technician needs to check a single-phase compressor. He labels the three terminals "A," "B," and "C" and takes resistance readings of the windings. He reads 10 ohms from "A" to "B," infinity from "B" to "C," and infinity from "C" to "A." Identify the terminals. - CORRECT ANSWER Can not identify ter...

Mold Remediation Contractor TX State exam, With Complete Solution 2024. Can mold be found anywhere? yes, they can grow on virtually any organic substance (food) What is needed for mold to to grow? moisture and oxygen must be present What is the key to mold control? Moisture control According to the EPA, what is the ideal RH? 30 - 50% (below 60%) If water is detected how quickly should it be cleaned and dried to prevent mold growth? within 48 hours What are the EPA regulations for mold...

HVAC final exam unit 11 complete solutions To check the temperature leads of an electronic thermometer for low temperature, they should be stirred in a container of Crushed ice and pure water Ohm's law is represented with the formula I=E/R A device commonly used for detecting refrigerant leaks is a(n) Halide torch Three reference points for checking temperature measuring instruments are 32, 98, 212 degrees If the ammeter is off by more than _____% it should be sent to the repair sho...

1 AIC PREP UH EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ A 'place concrete' activity requires the placement of 2080 cubic yards. If the individual production rate is 2 cubic yards per work hour per person, with a 10-person crew and 8 hour workday, how many days are needed to complete this activity? a. 13 b. 26 c. 104 d. 130 Correct Answer: a. 13 A topographical map is a drawing showing? a. Subsurface soil conditions b. A general profile view of th...

HVAC Unit 20 Final Exam Study Questions 2024. What is the best method to repair a fractional horsepower motor that has a bad bearing? - CORRECT ANSWER Replace the entire motor. A technician needs to check a single-phase compressor. He labels the three terminals "A," "B," and "C" and takes resistance readings of the windings. He reads 10 ohms from "A" to "B," infinity from "B" to "C," and infinity from "C" to "A." Identify the terminals. - CORRECT ANSWER Can not identify ter...

Mold Remediation Contractor TX State exam, With Complete Solution 2024. Can mold be found anywhere? yes, they can grow on virtually any organic substance (food) What is needed for mold to to grow? moisture and oxygen must be present What is the key to mold control? Moisture control According to the EPA, what is the ideal RH? 30 - 50% (below 60%) If water is detected how quickly should it be cleaned and dried to prevent mold growth? within 48 hours What are the EPA regulations for mold...

HVAC final exam, unit 15 already graded A+ A control can be which of the following? ️All of the above An example of a power consuming device would be a(n) ____ while an example of a non-power consuming device would be a(n) _____. ️Light bulb, single-pole single-throw switch An electrical power consuming component. ️is also known as a load The line side of a switch is the. ️side the power source is connected to If an air conditioning system is calling for cooling and the compr...

1 AIC EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ . What percentage of conversations do listeners remember of what they hear? A. 10% B. 30% C. 50% D. 90% Correct Answer: 10% What percentage of conversations do speakers remember of what they say and do? A. 30% B. 50% C. 70% D. 90% Correct Answer: 90% 2 When giving presentations, people should do which of the following? A. present extra information beyond their primary goal to demonstrate their expe...

What is the first offense penalty for engaging in the practice of residential building without a license? - Answer Not less than $5,000 and not more than $25,000 and/or one year in prison. Subsequent violations can extend the prison time to up to 2 years. What is the penalty for engaging in the practice of residential builders license, resulting in a death? - Answer Not less than $5,000 and not more than $25,000 and/or four years in prison On your individual builder's license application,...