Heat exchanger Study guides, Class notes & Summaries

FDNY S-92 Questions and Answers Rated A+ The following are types of what? LPG, CNG, piped natural gas or solid fuel (coke). Portable fueled salamanders/space heaters National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL) for carbon monoxide 35 parts per million (ppm) over an 8 hour period What is the third leading cause of fires in buildings under construction ? temporary heating What is direct heat flow through matter? CONDUCTION What is the transport...

LINDSEY JONES- TMC ACTUAL EXAM QUESTIONS AND ANSWERS 2023 (VERIFIED ANSWERS) 1. Which is the preferred order to manipulate a mechanical ventilator in order to gradually increase alveolar minute ventilation while limiting MAP? ANSWER - Decrease mechanical deadspace, increase VT, increase RR 2. An air-entrainment jet nebulizer is set at 50%. The respiratory therapist analyzes the oxygen coming from the end of the tubing and finds it is 60%. Which of the following most likely explains this ...

a vacum pump should be connected - Correct answer-as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - Correct answerdramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - Correct answer-oxygen atoms one chlorine atom can destroy - Correct answer-100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - Correct answer-CFC's cann...

The Problem with Stucco is that it____ - ANSWER-tends to crack How should corner moldings on aluminum sliding be installed - ANSWER-upper molding overlapping A hinge door that rubs the frame may have - ANSWER-loos hinge screws Discoloration or fogging in a window is an indication of - ANSWER-a leaking insulated glass seal what would not be the cause of a sag in a porch ceiling - ANSWER-rotting fascia board what is most highly recommended for repairing aluminum branch circuit wir...

NATE CORE STUDY GUIDE(correct answers)to passWhich of the following is not the product of incomplete combustion: Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above 8 feet A diode allows current to flow in one direction: True 1 Watt = _____ Btu 3.41 Current in a closed circuit is limited by which of the following: resistance An oil separator is located in the _____: Discharge line ___...

HVAC Gas Heat Certification Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: Why is excess air supplied to all gas-burning appliance burners? Answer: to ensure that there is enough air all all times. Q: The purpose of a gas regulator at a gas burning appliance is to? Answer: B. decreases the pressure to the burner Q: Ture or False: All gas valves snap open and closed. Answer: False Q: Which of the followin...

HVAC Gas Heat Certification Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: What is the volume of flue gas produced from a 60,000 BTU/h Category I fan assisted Natural Gas furnace operating with 50% excess air? Answer: 600 cu ft. Q: The purpose of a flue baffle is to Answer: Increase heat exchange Q: The LP gas pressure supplied to the appliance gas valve should be Answer: 11 - 13 in. W.C. Q: An installed gas furna...

Home Inspector National Exam Prep Questions and Answers Already Passed It is important to maintain a positive grade away from the structure of at LEAST _______ inch drop per foot for six feet. A. 1/4 B. 1/2 C. 3/4 D. 1 1 Which of the following BEST describes the report statement shown below? "The roof is in good condition for its age." A. Conclusion B. Recommendation C. Description D. Disclaimer Conclusion Which of the following conditions would be LEAST critical to your client's safet...

Warm Air Heating System Equipment In a warm air heating system the cold air return registers are located a) in exterior walls b) in interior locations c) under windows d) in floors e) in ceilings - Answer-B The major disadvantage of an electric resistance coil furnace for warm air heating is a) the high cost of electricity b) the danger from electric shock c) the high cost of maintenance d) the large size of the furnace e) the location of electrical wiring - Answer-A Lowboy furnac...

B (heat exchanger) Correct Answer In a modern gas furnace, the component that separates the combustion gases from the supply air is the ______. A. Gas valve B. Heat exchanger C. Inducer fan D. Plenum box A (Gravity) Correct Answer What type of furnace moves warm air through the conditioned space without a fan? A. Gravity B. Horizontal C. Lowboy D. Upflow D (steel) Correct Answer Furnace heat exchangers generally are made of ______. A. Ceramic B. Copper C. Plastic D. Steel B ...