Hvac final exam correct - Study guides, Class notes & Summaries

HVAC FINAL EXAM WITH COMPLETE SOLUTIONS 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, Mechanical Compres...

HVAC Code Final Exam 2024. The building Official may issue a ____ to the Owner's Agent or person doing the work if the work being performed in a dangerous or unsafe manner. citation correction notice stop work order red tag - CORRECT ANSWER stop work order A venting system that removes vent gases under non-positive static pressure is also known as a _____. conventional vent system direct vent system natural draft system power vent system - CORRECT ANSWER natural draft system...

HVAC Final Exam Questions and Answers 100% Pass What is an HVAC System? - Correct Answer ️️ -all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? - Correct Answer ️️ -Fans Pumps Compressor Evaporator What is a PTAC? - Correct Answer ️️ -Packaged Terminal Air Conditioner What is a PTHP? - Correct Answer ️️ -Packaged Terminal Heat Pump List the heat transfer equipment (3) - Correct Answer ️️...

HVAC Journeyman's Study Set Exam Final Questions and Answers The maximum horizontal length of a single-wall connector shall be ____ percent of the height of the chimney or vent. - CORRECT ANSWER-75% Grease filters shall be installed at an angle of not less that ____ degrees from the horizontal and shall be equipped with a drip tray beneath the lower edge of the filters - CORRECT ANSWER-45 A device that will automatically shut off the fuel supply to a main burner or group of burners ...

HVAC Equipment Final Exam Study Guide Test 2024. Absorption Chiller - CORRECT ANSWER UTILIZE A THERMAL OR CHEMICAL PROCESS TO PRODUCE REFRIGERATION EFFECT NECESSARY TO PROVIDE CHILLED WATER NOT VCR- NO MECHANICAL COMPRESSION Air Filter - CORRECT ANSWER CLEANS THE AIR OF UNDESIRABLE ELEMENTS sound attenuating filters-reduce level of sound moving through ductwork Air Handing Unit (AHU) - CORRECT ANSWER PREASSEMBLED OR SITE BUILT EQUIPMENT DEVICE CONTAINING COILS AND FANS THAT IS USED...

Asbestos Final Exam Pre-Test. During aggressive air sampling - correct answer for every 1000ft2 of enclosure space, the air must be agitated for at least 5 minutes Which of the following is true about non-permit required confined space? - correct answer It has limited means of entry and exit A change in which of the following can affect the fit of a negative pressure respirator? - correct answer weight Once the containment/regulated area is set up, it must be kept under negative pressu...

HVAC Journeyman Final Prep Study Exam Questions and Answers In wood structures, notches on the end of the joists shall not exceed ___________ the joist depth. A. one fourth B. 6% of C. 1/2 of D. 10% of - CORRECT ANSWER-A. one-fourth Underground inspection shall be made after trenches or ditches are excavated and bedded, piping installed, and ___________ backfill is put in place. When excavated soil contains rocks, broken concrete, frozen chunks, and other rubble that would damage...

HVAC final exam, unit 14 Correct Questions & Ans When a water regulating valve is used to control the head pressure of a water-cooled system, the valve's spring is acting against which pressure to modulate the water flow? - ANSWER Head pressure of the system To prove that the combustion blower motor is operating before ignition, a ______ would be used. - ANSWER Sail switch The difference between system overshoot and system lag is called? - ANSWER Temperature swing The purpose of a hea...