Hvac r 410a - Study guides, Class notes & Summaries

HVAC EXCELLENCE EXAM QUESTIONS AND ANSWERS 100% PASS Heat which causes a change in temperature of a substance is called - Correct Answer ️️ -sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? - Correct Answer ️️ -latent heat Heat added to the refrigerant in vapor state after the evaporation process is called, - Correct Answer ️️ -superheat A scroll compressor moves refrigerant by means of; - Cor...

HVAC Excellence Study Guide With Accurate Solutions. Heat which causes a change in temperature of a substance is called. - answersensible heat. Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process is called? - answerLatent heat Heat added to the refrigerant in a vapor state after the evaporator process is called. - answerSuperheat A scroll compressor moves refrigerant by means of. - answerInvolute spirals The movement of heat by way o...

HVAC CONTRACTOR EXAM COMPLETE SOLUTIONS An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter ️voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve ️thermostatic expansion valve when installing a re...

HVAC Air Condition Esco 2024 Questions And Answers Latest Top Score. Heat which causes a change in temperature of a substance is called - correct answer. Sensible Heat Heat added to a substance without a rise in temperature is called - correct answer. Latent Heat Heat added to refrigerant in a vapor state after the evaporation process is called - correct answer. Superheat A scroll compressor moved refrigerant by means of - correct answer. Involute spirals The m...

Evaporator Coil - ANSWER What component of an air conditioning system absorbs heat into the refrigerant Ventilation - ANSWER What does the V stand for in HVAC? Hot Surface Ignition - ANSWER What type of ignition is utilized by the furnaces in the shop? Air Conditioning - ANSWER What is the term for Refrigeration applied to the space temperature of a building? Electricity, L.P., Natural Gas - ANSWER What are the three fuels used in package heating units? Roof Top - ANSWER What is t...

B retrofitted or retired within 12 months. If a leaking appliance with a regulated refrigerant is not going to be repaired, it must be; A retrofitted or retired within 3 months. B retrofitted or retired within 12 months. C replaced within 3 months. D replaced within 12 months. B 10 inches of vacuum A high-pressure appliance containing 210 lbs. of R-407C refrigerant must be evacuated (recovered) to a level of; A 15 inches of vacuum B 10 inches of vacuum C 4 inches of vacuum D 0 ...

a (Centrifugal) - Which of the following compressors are considered a dynamic compressor? a. Centrifugal b. Reciprocating d. Rotary c. Scroll b (Superheated vapor / sub cooled liquid) - What is the condition of the refrigerant as it enters and leaves the condensing coil of a typical light commercial HVAC system? a. Vapor / liquid b. Superheated vapor / sub cooled liquid c. Saturated vapor / saturated liquid d. Hot gas / cool liquid b (Thermal expansion valve) - Which o...

LEED AP O&M Practice Test questions and answers 2022/2023 with complete solution A project team is assessing existing luminaires for Light Pollution Reduction and found some fixtures emit light at a vertical angle more than 90 degrees from straight down. What statement is true regarding the project's ability to earn the credit? The team must retrofit or replace the non-compliant fixtures to earn the credit An office building has six individual workstations, two private offices, and a confe...

If a leaking appliance with a regulated refrigerant is not going to be repaired, it must be; A retrofitted or retired within 3 months. B retrofitted or retired within 12 months. C replaced within 3 months. D replaced within 12 months. B retrofitted or retired within 12 months. A high-pressure appliance containing 210 lbs. of R-407C refrigerant must be evacuated (recovered) to a level of; A 15 inches of vacuum B 10 inches of vacuum C 4 inches of vacuum D 0 inches of vacuum B 10 ...

HVAC EXCELLENCE ALREADY GRADED A Heat which causes a change in temperature of a substance is called ️sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? ️latent heat Heat added to the refrigerant in vapor state after the evaporation process is called, ️superheat A scroll compressor moves refrigerant by means of; ️involute spirals The movement of heat by way of fluid or is called; air ️convectio...