Esco Samenvattingen, Aantekeningen en Examens

HVAC Unit 31 Gas Heat Questions and Answers 100% Solved Name the four main components of a gas fired heating system. ️️Manifold and controls Burners Heat exchanger Venting system Name the four types of furnace flow patterns. ️️Upflow Low-boy Downflow Horizontal Which type of furnace is usually found in basements that have low headroom? ️️Low-boy What is another name for a downflow furnace? ️️Counterflow Where do you usually find horizontal furnaces? ️️In crawl sp...

Heat Pump ESCO Test Questions and Answers 100% Solved An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has an ️️Reversing valve What is the difference between "demand defrost" and "timed defrost"? ️️Demand defrost happens only when needed and timed defrost is based on time/temperature. The thermostat that controls the auxiliary electric heat according to the outdoor temperature is called th...

HVAC 124 ESCO Test 3 Questions and Answers 100% Solved Liquid slugging is: Liquid refrigerant in the compressor clearance space The clearance space in a reciprocating compressor: Has no effect on compressor capacity Which type of air conditioning compressors is the most energy efficient? Scroll The main function of the condenser is to: Remove heat from the refrigerant Refrigerant R-134A vapor enters the condenser at 124 psig 100F. It leaves the condenser at 80F. Its pressure wil drop...

EPA 608 CORE EXAM QUESTIONS AND ANSWERS 100% SOLVED What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? ️️Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? ️️100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? ️️Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? ️️Hydrogen, chlorine, flourine an...

ESCO HEAT PUMP EXAM WITH COMPLETE SOLUTIONS 1. An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has a (an); ️️C: reversing valve. 2. What is the difference between "demand defrost" and "timed defrost?" ️️D: demand defrost only happens when needed, and time defrost is on timed temperature 3. The thermostat that controls the auxiliary electric heat according to the outdoor temperature is call...

EPA 608--ESCO --Core.....Online Practice Questions and Answers 100% Solved How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? ️️$44,539 Recovery any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for......? ️️Disposable Cylinders A single chlorine atom can destroy how many Ozone Molecules? ️️100,000 Clean refrigerant for reuse by ...

Esco Electrical Certification Text Questions and Answers 100% Solved D.The flow of electrons in a circuit ️️What is current flow? A.Opposition to alternating current ️️What is impedance? B.Repel each other ️️Like charges will B.A conductor ️️Any material that will readily release electrons is called: B. I ️️The symbol for current is: D. All the above light heat magnetism ️️Electricity can produce: B.Green ️️The safety ground conductor is usually colored...

EPA Type 1 Questions and Answers 100% Solved Recovery device for use with small appliances containing CFCs, HCFCs, and HFCs must meet which of the following requirements? ️️Recovering 90% of the refrigerant when the compressor is operating or acheiving a 4 inch vacuum under the conditions of AHRI 740. Which of the following refrigerants is very high pressure and generally does NOT need to be recovered? ️️R-744 Which of the following is an approved substitute refrigerant for ne...

EPA SECTION 608 CORE (2019 revision) Questions and Answers Latest Version 100% Solved What does ozone in the stratosphere above the earth consist of? a. Molecules containing 2 oxygen atoms. b. Molecules containing 3 oxygen atoms. c. Molecules containing 4 oxygen atoms. d. Molecules containing 5 oxygen atoms ️️b. Molecules containing 3 oxygen atoms. Which of the following refrigerants has the lowest global warming potential? a. R-134a b. R-407C c. R-410A d. R-600a ️️d. R-600a...

Esco Heating 208 Questions and Answers 100% Solved 1. A gas furnace is to be installed in a garage. The burners and ignition sources must be located ______ above the floor. A: 6 inches B: 12 inches C: 18 inches D: 24 inches ️️C: 18 inches 2. A good description of how hi-metai fan switch operates the blower motor on a gas furnace is: A: temperature on - time off. B: temperature on - time on. C: temperature on- temperature off. D: time on - time off. ️️C: temperature on- temp...