Air cooled Study guides, Class notes & Summaries

NATE Light Commercial Refrigeration What is the MOST important aspect about installing a rooftop package unit? - The roof will support the weight What could be at fault of an air cooled system that operates 50°F over ambient temperature? - An overcharge, air in the system, or air re-circulating over the condenser Where should the sensing bulb on a TXV be located? - As close to the evaporator as possible on a horizontal line When a transformers secondary windings are wired in paralle...

TCFP Fire Investigator Questions and Answers Is NFPA 921 a guide or a standard? It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? Analyze the data What step of the scientific method is deductive reasoning? Test the hypothesis What are the four parts of the fire tetrahedr...

EPA Type 2 Questions and Answers Already Graded A Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: pressurized nitrogen When a new system has been assembled, the first thing to do is: pressurize the system with inert gas and leak check EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. 35% Prior to replacing the condenser coil in a high pres...

Aviation Weather Final Exam Questions and Answers Already Graded A Every physical process of weather is accompanied by, or is the result of, a a. Movement of air b. Pressure differential c. Heat exchange C. Heat Exchange What causes variations in altimeter settings between weather points? a. Unequal heating of the Earth's surface b. Variation of terrain elevation c. Coriolis Force A. Unequal heating of the Earth's surface The wind at 5,000 feet AGL is southwesterly wh...

Bakers Oral Powerplant Exam Questions and Answers (Graded A)Bakers Oral Powerplant Exam Questions and Answers (Graded A)Bakers Oral Powerplant Exam Questions and Answers (Graded A) How are reciprocating engines classified? - ANSWER-1) Cylinder Arrangement w/ respect to crankshaft (in-line, V-type, radial and opposed) 2) Method of cooling (liquid cooled, or air cooled) what are the different types of piston rings - ANSWER-compression rings, oil control rings and scraper rings what are t...

How often are METARs issues? - Answer-Every hour, or whenever the weather changes and necessitates a change. In that situation, a SPECI (special METAR) is issued. What is a SPECI? - Answer-A special METAR which is created in between the hourly METARs due to a change in weather necessitating the change. -Change of winds necessitating a new runway. -WX changing from IFR to VFR or VFR to IFR. Do METARs describe actual or forecast conditions? - Answer-METARs depict actual field conditions. ...

PPL – Weather Questions and Answers Graded A+ General characteristics of air flows around high/low pressure systems in the Northern Hemisphere Low Pressure - inward, upward, and counterclockwise High Pressure - outward, downward, and clockwise What is a trough? An elongated area of relatively low atmospheric pressure. At the surface when air converges into a low, it cannot go outward against the pressure gradient, nor can it go downward into the ground; it must go upward. Therefor...

ABSA part B 2024 | 150 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS Which of the following is an example of a loss of latent heat? Steam condenses Water evaporates Ice melts Refrigerant evaporates - Answer A Steam coils with long tube lengths: Are likely to freeze when the incoming air isextremely cold (say -35°C) Have the greatest freezing problems at temperatures approaching €"2°C. Cause overheating and poor set pointtracking during cold weather ...

ESCO Air Conditioning Exam Questions with Answers Latest Update 2024/2025 (100% Solved) Scroll compressor move refrigerant by correct answers Involute Spirals The movement of heat by way of fluid is called correct answers Convection The movement of heat by direct contact is correct answers Conduction The standard unit for measuring the quantity of heat in a substance is correct answers BTUs Refrigerant gives up heat when correct answers It condenses Why must refrigerant in the suction line ...

An engine in which the cylinders rotate around the crankshaft is called what? rotary radial On aircraft with exposed cylinders, what component helps direct air around the cooling fins? deflectors On a 6 cylinder engine, how many CHT probes are required? 1 What does augmenter tubes use to draw hot air out and cool air into the engine compartment? exhaust gas velocity What condition can broken or damaged cylinder fins cause within the cylinder? hot spot What do some helicopters use to co...