Hvac gas heat exam - Study guides, Class notes & Summaries

Professional Home Inspector Exam NHIE / TREC Questions and Answers Already Passed Document Content and Description Below Professional Home Inspector Exam NHIE / TREC Questions and Answers Already Passed The inspector is not required to determine ____ ___ of any system or component. -Years of age -Life expecta ncy -Make model Horizontal waste pipe should slope ____ inch per foot 1/4" per foot if < 3 inch pipe. 1/8" per foot if > or = to 3 inch pipe Drip screed Also called weep screed. U...

HVAC GAS HEAT CERTIFICATION EXAM 2024 QUESTIONS AND ANSWERS (VERIFIED FULL EXAM) A+ GRADE

HVAC CONTRACTOR EXAM Questions and Answers Latest Verified An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - CORRECT ANSWER-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 - CORRECT ANSWER-thermostat...

HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION In order to troubleshoot a load controlled by a control string, what should the technician check first? Answer: Proper voltage applied across the load. QUESTION The technician suspects that an outdoor thermostat used to bring on auxiliary heat may be out of calibration. The thermostat is a close-on-fall type that is adjustable. What is one method for ...

HVAC Excellence UPDATED Exam Questions and CORRECT Answers Heat which causes a change in temperature of a substance is called - Ans sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? - Ans latent heat

HVAC Unit 31 Gas Heat Study Review Exam 2024. Name the four main components of a gas fired heating system. - CORRECT ANSWER Manifold and controls Burners Heat exchanger Venting system Name the four types of furnace flow patterns. - CORRECT ANSWER Upflow Low-boy Downflow Horizontal Which type of furnace is usually found in basements that have low headroom? - CORRECT ANSWER Low-boy What is another name for a downflow furnace? - CORRECT ANSWER Counterflow Where do you usually fi...

HVAC CONTRACTOR Exam | Questions & 100% Correct Answers (Verified) | Latest Update | GradeA+ An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter Correct Answer: 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. schrae...