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What is the function of any type of refrigeration Compressor? : - Answer To compress low-temperature, heat-laden gas into high-temperature, high-pressure gas. Name three types of water-cooled condensers. - Answer Tube-in-tube, shell and tube, shell and coil When was RSES founded? - Answer March 9, 1933 The process of a solid turninq directly into a vapor without going to a liquid stage is called - Answer Sublimation. The heat energy required to change a liquid to a va...

1. The function of the compressor is : - Answer B. to lower the pressure in the evaporator so that the refrigerant temperature is lowered below the temperature of the air in the box . 2 . Forced air evaporator coils are commonly used because : - Answer A. they absorb more heat in less time . 3 . Evaporator A operates with a 5 ° TD and evaporator B operates with a 15⁰ TD . - Answer D. Box A operates with higher humidity than box B 4 Whenever you re soldering refrigerant lines...

Approximately how much Air flow is required across an air-cooled condenser? - Answer 750-1000 CFM Per Ton of Cooling Capacity A sling psycrometer is used to measure.....? - Answer Wet and dry bulb temperature The capacity of an evaporative condenser depends on....? - Answer The Entering Air Wet Bulb Temperature Hot Gas Bypass refers to....? - Answer All of Above (Preventing low suction pressure, Providing Capacity Control, Preventing Compressor short Cycling.) A compresso...

What are the 4 basic parts of the refrigeration Cycle - Answer Compressor, Condenser, Metering Device, Evaporator What state is the refrigerant in when it is in the suction line - Answer Vapor What state is refrigerant in when it is in the discharge line - Answer Liquid Component that removes heat from the superheated refrigerant. - Answer Condenser Component that absorbs heat - Answer Evaporator Refrigerant is above saturation Temperature - Answer Superheat R...

Where does natural gas come from? - Answer Wells deep in the ground Where does LP gas come from? - Answer byproduct of crude oil, and some is from natural gas pockets What are the three different gases often termed as LP gas? - Answer butane, ethane, propane Are LP tanks filled with gas or liquid? - Answer Liquid What happens in a LP tank as gas is drawn off? - Answer The liquid boils off and creates additional gas. Does natural gas have any odor? - Answer No, no...

In order to be used for motor circuits a switch must be rated: - Answer How can you tell if a thermostat is pilot duty? - Answer Solid-state temperature controllers can usually maintain temperature differentials of_____by cycling the heat off and on as it approaches the setpoint. - Answer A capacitor start motor should be used in what applications? - Answer You have 120 V super warmer that is not heating. Your meter reads 120 V from each side of the element to the gro...

C of Q Prep Course - Answer Heating, Ventilation, Air Conditioning and Refrigeration (HVACR) Mechanic - Answer Level 3 HVACR Review - Answer L3-C 21.0 Air conditioning systems - Answer 1) - Answer State the approximate melting point for the following: • - Answer 95/5 Solder: 450 - 465F • - Answer Silver Solder: F • - Answer Silfos: F 2) - Answer What type of brazing alloy would you recommend for joining copper tubing to a brass shut of...

The evaporator is where refrigerant changes state from a: - Answer liquid to a vapor A superheat reading that is too high requires: - Answer additional refrigerant A subcooling reading that is too high requires: - Answer a charge reduction Superheating occurs in the: - Answer evaporator Subcooling occurs in the: - Answer condenser One ton of refrigeration is equal to: - Answer 12,000 BTU's The condenser is where refrigerant changes state from a: - Answer ...

Which is a disadvantage of a packaged indoor unit - Answer the potential for excessive noise exists Removing oil and filtering refrigerant for reuse is called - Answer recycle Which is the best description of temperature - Answer intensity of heat The type of head pressure control in a condenser that helps prevent drops in head pressure is the______ type - Answer fan cycling, condenser flooding, and damper control Which refrigeration system accessory is used to remove moi...

1 Exam (elaborations) Automotive- Service Excellence-Questions and Answers. 2 Exam (elaborations) Automotive- Electrical Systems- Test 3 and Final Questions All Solved Correctly 2026 Updated. 3 Exam (elaborations) Automotive-A6 Auto Electricity and Electronics- Auto-107 PSC -Study Guide Questions With 100% Correct Answers.

Smog - Answer is created by a photochemical reaction The three major pollutants in automobile exhaust are - Answer Carbon monoxide, oxides of nitrogen, hydrocarbons Fuel evaporation accounts for what percentage of total HC emissions? - Answer 20 percent Particulate matter is - Answer Microscopic particles suspended in the atmosphere. Carbon monoxide is a result of - Answer Incomplete combustion. Sulfur oxides are harmful because they - Answer Combine with water t...

Which of the following specific gravity numbers indicates a fully charged battery? 1.265 1.225 1.190 1.155 1.295 - Answer 1.265 When looking at a battery's charge indicator, what does a black dot signify? below 65% state of charge low level of electrolyte 65% or above state of charge - Answer below 65% state of charge According to the basic battery principle, what is the minimum number of dissimilar metals that are required to be placed into acid which is necessary to ...

Q1: Technician A says the voltage produced by automotive ignition system is enough to cause a painful shock. Technician B says the current produced by an automotive ignition system usually does not flow long enough to cause electrocution. Who is right? a. A Only b. B Only c. Both A and B d. Neither A nor B - Answer c. Both A and B Q1: Technician A says some automobiles are equipped with a circuit that converts alternator output into 110 volts AC. Technician B says 110 volts AC can pr...

What is chassis system made up of? - Answer The frame/body, the suspension, the braking system, wheels & tires (engine & steering included What is coolant? - Answer A mix of antifreeze & water What regulates the temperature of the coolant? - Answer A thermostat A V-type engine can have how many cylinders? - Answer 4, 6, 8, 10, 12, or 16 A malfunction indicator light can also be called what? - Answer "check engine light" or "service engine soon" In order ...

When a vehicle comes in for repair, detailed information regarding the vehicle should be recorded on the: - Answer Repair order Which of the following steps is the last step in a strategy-based diagnostic process? - Answer Verifying the repair The best way to address an intermittent fault is to: - Answer Look for symptoms, data, or DTC's that are repeatable or consistent All of the following will happen if the technician fails to document test results onto the vehicles repai...

1. Give a brief explanation of how electronics and legislation have had an effect on today's vehicles. - Answer New laws and electronics has influenced car designs by requiring automobiles be safer and running cleaner. This has pushing the cars in the direction of getting better gas mileage as well as being environmentally friendly such pushing upgrades in electronic technology in vehicles to regulation things such as emissions. 2. Explain the basic requirements for becoming a successfu...

List 5 skills an automotive technician must have? - Answer -plumbing/metal working, welding/ electrical, electronics/computer/ radio, and heating/ air conditioning What does PDI stand for? - Answer Pre-delivery inspections What is the name of the person who greets the customer in a large automotive repair shop or dealership? - Answer Service advisor What is the name of the person who assigns the jobs to the technicians in a large shop? - Answer Service dispatcher What is ...

Technician A says that the chassis of an automobile typically includes everything but the body. Technician B says that the chassis is just another name for the vehicle's body. Who is right? - Answer Technician A An automotive ____________ is a group of related parts that perform a specific job. - Answer System The engines that are used in most automobiles are ___________ engines - Answer Multi-cylinder, four-stroke cycle and piston The radiator of a vehicle is part of its __...

NATEF certifies automotive: A dealerships. B independent garages. C technicians. D training programs. - Answer D All of these are ASE certifications except: A automatic transmission/transaxle. B engine repair. C service and maintenance. D suspension and steering. - Answer C Which part is most likely the problem if a light does not come on during an instrument panel bulb check? A bulb B fuse C sender D switch - Answer A What organization certifies automotive technici...

Per U.S. Department of Labor statistics, approximately how many people in the country are employed as automotive technicians and mechanics? - Answer 800000 Technician A says a technician who is paid by the flat-rate system is paid according to the number of hours he or she actually spends on a repair. Technician B says a salaried technician gets paid overtime when he or she works more than 40 hours. Who is correct? - Answer Neither is correct Technician A says "engine performance...