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Air Conditioning and Refrigeration
List of top Air Conditioning and Refrigeration Questions
The psychrometric process in which air is cooled and humidified but no heat is supplied or rejected is called ________.
CBSE Class XII - 2026
CBSE Class XII
Air Conditioning and Refrigeration
Psychrometric Chart and Processes
How does the L.P. cutout protect the compressor ?
CBSE Class XII - 2026
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration Devices
Which of the following is not a type of data in spreadsheets ?
CBSE Class XII - 2026
CBSE Class XII
Air Conditioning and Refrigeration
Information and Communication Technology (ICT)
_________ includes a series of postures and breathing exercise to control the body and mind.
CBSE Class XII - 2026
CBSE Class XII
Air Conditioning and Refrigeration
Employability Skills
Which of the following is not a parameter to describe an individual’s personality ?
CBSE Class XII - 2026
CBSE Class XII
Air Conditioning and Refrigeration
Employability Skills
Write the name of basic parts of speech.
CBSE Class XII - 2026
CBSE Class XII
Air Conditioning and Refrigeration
Communication Skills
Give an example of an eco-friendly refrigerant and also write its properties.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration Devices
Describe the importance of an overload protector with the help of a diagram.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Heating, Ventilation, and Air Conditioning
Draw the labelled layout of a cold storage plant.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration Devices
Explain the Unitary air conditioning system.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Heating, Ventilation, and Air Conditioning
Explain the ‘Radial Perimeter’ duct system with the help of a diagram.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Heating, Ventilation, and Air Conditioning
Write the properties of R-12.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration Devices
What main points must be kept in view while designing the air distribution system of an air conditioning system?
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Heating, Ventilation, and Air Conditioning
Describe the psychrometric process used for ‘summer air conditioning’.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Load Calculation of Psychrometry
Differentiate between Blower and Exhauster.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration and air conditioning
What do you understand by ‘Heat Transfer’? Write the different modes of heat transfer.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration and air conditioning
What is a refrigerant? Give two examples.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration Devices
Describe the preservation of meat products.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration and air conditioning
Describe the process of ‘Chemical dehumidification’.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Load Calculation of Psychrometry
Write some components of a spreadsheet.
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration and air conditioning
In ‘Shell and Tube’ condenser:
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration and air conditioning
This insulating material operates best in the temperature range of \(-200^\circ C\) to \(150^\circ C\) :
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Heating, Ventilation, and Air Conditioning
The refrigerant R-22 is:
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration Devices
The relay which is connected in series with the running winding is:
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration and air conditioning
The refrigerant ammonia is:
CBSE Class XII - 2025
CBSE Class XII
Air Conditioning and Refrigeration
Refrigeration Devices
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