Compressor unit 23 hvac - Study guides, Class notes & Summaries

Compressor Unit 23 HVAC Test 1 Questions with Verified Solutions large industrial refrigeration and air condition systems - Answer-The screw type compressor is used primarily in______. residential air conditioning - Answer-Rotary compressors are used primarily in_______. volume of the space between the bottom of the valve plate and the top of the piston at top dead center - Answer-The clearance volume of a compressor cylinder is the ______. it allows a compressor design with less cl...

Hvac Journeyman Exam Questions and Answers Updated 2024/2025 | 100% Verified. Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. - ANSWER-B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the a...

Hvac Journeyman Exam Questions and Answers Updated 2024/2025 (100% Verified) Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below(B) 3 inches above (C) 6 inches below(D) 6 inches above. - ANSWER-B. Slab extending not less than 3" above the adjoining ground level. UMC Section 1106.2 Any part of a venting system installed at an angle greater than 45 degrees from the vertical i...

Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. - ANSWER-B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below(B) 3 inches above (C) 6 inches below...

Hvac Journeyman Exam Questions and Answers Updated 2024/2025. Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. - ANSWER-B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the adjoining ground ...

1. The component used to switch the heat pump unit between the heating and cooling modes of operation is the ____. a. four-way valve b. bi-valve c. two-way valve d. switching valve ANSWER: a POINTS: 1 REFERENCES: Reverse-Cycle Refrigeration QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/12/2015 12:23 PM DATE MODIFIED: 12/19/2015 6:31 PM 2. An air-to-air heat pump ____ heat from the outside air and deposits it in the conditioned space. a...

1. In my opinion, the new thermostat design is a change for better. - 1. An improvemnet 2. If you bought four thermostats for $91.12, what was the price of each Tatar? - 2. $22.78 3. The standard atmospheric condition (Sea Level) for water to boil at 212 °F are: - 3. Atmospheric pressure 14.696 psi, temperature 70 °F 4. A BTU is defined as the amount of heat that must be added to one __________ of water to raise its temperature 1 °F. - 4. Pound 5. What is 33.3% of 60? ...

2024 TECHGRADES Hvac Journeyman Exam questions and answers 100% guaranteed success. Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. - correct answer. B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 Every absorption refrigerating system supported from the ...

HVAC UNIT 23 COMPRESSORS correctly answered 2023Describe the operation of a compressor - correct answer Vapor pump- It increases suction pressure level to the discharge pressure level. Takes a low pressure low temp vapor compresses it into a high pressure, high temp vapor Name 5 types of compressors - correct answer Reciprocating, screw, rotary, scroll, centrifugal True or false: A compressor can compress a liquid - correct answer False What would be considered a higher-than-normal temp...

1. In my opinion, the new thermostat design is a change for better. - 1. An improvemnet 2. If you bought four thermostats for $91.12, what was the price of each Tatar? - 2. $22.78 3. The standard atmospheric condition (Sea Level) for water to boil at 212 °F are: - 3. Atmospheric pressure 14.696 psi, temperature 70 °F 4. A BTU is defined as the amount of heat that must be added to one __________ of water to raise its temperature 1 °F. - 4. Pound 5. What is 33.3% of 60? - 5. 20...