Hvac exam 2024 - Study guides, Class notes & Summaries

HVAC 2024 Actual Exam Questions and Answers All Correct The coolant bypass solenoid valve provides a second path for coolant to flow between the engine block and the: - Answer-Thermostat housing The heater core is an air to liquid heat exchanger similar to a radiator. - Answer-false the 1.6l gtdi engine uses the no-flow coolant strategy in the engine block to: - Answer-Both a and b on vehicles equipped with the auto start-stop feature, such as the 2014 fusion, the cabin heater coola...

HVAC JOURNEYMAN LATEST EXAM 2024 UPDATE WITH MULTIPLE, CORRECTLY ANSWERED QUESTIONS |99.99% CORRECT| A listed smoke damper designed to resist the passage of smoke shall be provided at each point in a duct or air transfer opening penetrates a: (A)smoke barrier wall (B)fire rated wall (C)interior wall (D)corridor wall ANSWER: - Corridor wall (IMC 607.5.4)

HVAC JOURNEYMAN EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS!!

PDD Study Final Exam 3 Questions & Answers 2024/2025 SIZING HVAC SYSTEMS - ANSWERSKNOW: NEEDED CAPACITY, SIZE OF MECH ROOMS, SPACE/LAYOUT NEEDED FOR DISTRIBUTION. HEAT GAIN/LOSS BIG FACTOR. USE ACTIVE/PASSIVE W/ CONTROLS TO REDUCE SIZING OF UNITS. AFFECTING HVAC - ANSWERSSCOPE OF SYSTEM, TYPE OF HVAC SYSTEM, BUILDING SIZE (GREATER SIZE=GREATER CAPACITY NEEDED), BUILDING TYPE (LABS/HOSPITALS=INDIVIDUAL CONTROL=MORE SPACE. APTS=SMALLEST, OFFICES/RETAIL=IN THE MIDDLE), PASSIVE SYSTEMS USE: ...

Hvac Journeyman Exam 2024 Questions and Correct Answers. 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 leve...

HVAC NATE Heat Pump Exam Questions With Correct Answers Updated 2024/2025 (Graded A+) What is the primary purpose of using flux when soldering copper or brass parts? -Ans Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? -Ans Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? -AnsExcessive ice can build up on the bottom of the coil and can reduce capacity. What is the component th...

HVAC AC Excellence Exam 2024/2025 (100% verified) A+ grade assured

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? CORRECT ANSWEREster based oils and they do not mix with other oils What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is diffe...