Air Distribution Ducting. If you continue browsing the site, you agree to the use of cookies on this website. (B) Grains of moisture 5-The thermostat used for the window type air conditioner is set at: (B) Semi-sealed compressor (D) Humidity Pick up the wrong statement. The electronic control board is the brain of your window air conditioner. Use a timer if necessary. Reciprocating Air Conditioner Compressor has more power comparing to the rotary compressor. (C) Sealed compressor The unit is easy to move from room to room and offers a truly (C) Dew point temperature 8000 BTU Window AC Unit w/ Heating, 115V Standard Air Conditioner Fan & Remote $265.95 New Broan 174FT Wall Heater Finish Assembly With Built in Thermostat White 1500w (C) Barometer You can change your ad preferences anytime. (A) Tachometer ● Refrigeration and Air Conditioning MCQ Questions (A) Flooded evaporator You can choose to operate the AC in any of the modes and also change the level of cooling/heating according to how cold/hot you feel on any particular day. Two parts that make the air conditioner function are the AC compressor … Ans: b 2. (B) 80% There are several types of air conditioner compressors, including a rotary, reciprocating, scroll and variable speed compressor. Join our email list for updates and offers. More Buying Choices $150.82 (10 used & new offers) (B) R22 (D) None of the above. (C) Hermitically sealed compressor The electronic control board regulates the compressor, evaporator fan and condenser fan in the window air conditioner. Clipping is a handy way to collect important slides you want to go back to later. (A) R21 Some window air conditioners have an electro-mechanical thermostat instead of an electronic control board to control the on/off cycling of the compressor and fans. Each system goes with a different kind of air conditioner as the system's driving force. Listen for the compressor, which may take up to 30 seconds to turn on. A defective electronic control board or control thermostat could prevent the window air conditioner from cooling. The front air deflectors are adjustable for horizontal or vertical air-conditioning,the airflow can be directed to the whole room or a particular point. 11. Get it as soon as Fri, Jan 15. Refrigeration and air conditioning mcq questions converted 1. Central air-conditioning systems operate very similarly to forced-air furnace systems, in which cooled air is fed into ducts with vent registers placed throughout the entire building. MIDEA MAW05M1BWT Window air conditioner 5000 BTU with Mechanical Controls, 7 temperature, 2 cooling and fan settings, White. (D) Hydrometer Use the advice and tips in these articles and videos to get the most out of your window air conditioner. (B) Evaporator A refrigerant should have (a) Tow specific heat of liquid (b) high boiling point (c) high latent heat of vaporisation (d) higher critical temperature (e) low specific volume of vapour. (A) Relative humidity The evaporator thermistor is a temperature sensor that is mounted on the evaporator. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. (C) Condenser Reverse Cycle (Heat Pump) VTD-RAC-07-04. Plug the unit back in. Offering the best Air Conditioners deals only at dubai.dubizzle.com. MCQs of Air-Conditioning Systems. The air conditioning system is a vital part of a vehicle such as a car or truck. A window air conditioner is designed to work on one, two, or all of the following modes – cooling, fan-only, and heating. This type of air conditioning compressor is extremely efficient, as AC units can house multiple cylinders. Ans: b. (D) 100% If the evaporator frosts up, the electronic control board will detect the frost according to the temperature communicated through the thermistor. If the thermistor is defective, the electronic control will not properly detect and eliminate the frost. One has blades or vanes that rotate … (C) R134a One of the popular charging devices for artificially cooling food and drink. Though 2, 4 and 8 cylinder compressors are most commonly used. The air conditioner includes a window venting kit. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi... Mammalian Brain Chemistry Explains Everything. A refrigerant should have (a) Tow specific heat of liquid (b) high boiling point (c) high latent heat of vaporisation (d) higher critical temperature (e) low specific volume of vapour. - For 12000 BTU AC to 20000 BTU AC Units (HD 1PC ACB) (1, HEAVY DUTY- ONE ARM) 4.1 out of 5 stars 1,476. Note: If the unit was not unplugged for at lest 30 seconds, the unit's safety switch will prevent the compressor from turning on for 3 minutes. Now customize the name of a clipboard to store your clips. This step-by-step repair guide shows how to replace a window air conditioner electronic control board. (C) 80°F (B) Anemometer Need help finding the right filter for your refrigerator? The choice of which air conditioner system to use depends upon a number of factors including how large the area is to be cooled, the total heat generated inside the enclosed area, etc. (D) Compressor 1. (A) Condenser The front air deflectors are adjustable for horizontal or vertical air-conditioning,the airflow can be directed to the whole room or a particular point. Air Handling Unit (AHU) VTD-RAC-07-08. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. It is used for domestic units like refrigerator, window air conditioner, water cooler and display unit in a confectionary shop. The rotary compressor can be divided into two types. VTD-RAC-07-06. Replace the evaporator thermistor if it doesn't properly detect the evaporator temperature. (A) 65°F VTD-RAC-07-05. (C) 210 KJ/min Buy & sell Air Conditioners online at cheap prices in Dubai, UAE. 10-Following is the heart of refrigeration system Types of Air Conditioning Systems. Find out how to protect your smart appliances from malevolent invasions by hackers. If the window air conditioner's compressor and fans are running but the air conditioner isn't cooling, possible causes include a failed compressor or the lack of refrigerant due to a leak in the sealed system. Commercial Water Chiller, Water Cooled. Servicing is … Check the condenser fan blade and replace the blade if it's damaged. Follow these steps to prevent the compressor from overheating: Clean the condenser coils so refrigerant cools down properly when the compressor runs. In 2016, the United States used about 616 terawhatt hours (TWh) of electricity for air conditioning, while the European Union with a population one and a half times larger, used … 7-A compressor externally coupled to a motor is called A screw air conditioning compressor contains two large helical rotors that move the air from one end to the other. See our Privacy Policy and User Agreement for details. 327 brand new & used Air Conditioners listings for sale. (D) Open type compressor If you continue browsing the site, you agree to the use of cookies on this website. © 2021 Transform SR Brands LLC. Purchased at Sears instead of an electronic control board is the Brain of your air! Symptom to see related window air conditioner compressor will not stop working and... To be used in large working environments, can cover as much as 180 feet... 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