WHAT IS VCR? ADVANTAGE AND DISADVANTAGES...
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A videocassette recorder or video recorder is an electromechanical device that records analog audio and analog video from broadcast television.
Advantages
1.Size is small when compared to an air refrigeration system for a given capacity of refrigeration.
2.Volume of refrigerant circulated is low. Hence the running cost is low.
3.High coefficient of performance.
4.The operating temperature range is huge.
5.The temperature at the evaporator can be easily controlled by regulating expansion valve.
6.Latent heat involved in Phase change ensures high value of heat removal, while air refrigeration system has sensible heat only.
Disadvantages
1.High initial cost, costly refrigerant.
2.Environmental hazardous refrigerant involved.
3.Must ensure the prevention of leakage of refrigerant.
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Advantages
1.Size is small when compared to an air refrigeration system for a given capacity of refrigeration.
2.Volume of refrigerant circulated is low. Hence the running cost is low.
3.High coefficient of performance.
4.The operating temperature range is huge.
5.The temperature at the evaporator can be easily controlled by regulating expansion valve.
6.Latent heat involved in Phase change ensures high value of heat removal, while air refrigeration system has sensible heat only.
Disadvantages
1.High initial cost, costly refrigerant.
2.Environmental hazardous refrigerant involved.
3.Must ensure the prevention of leakage of refrigerant.
Hope it’s helpful
Mark me the brainliest
Stay safe and healthy
Peace Out :)
Answered by
14
Answer:
videocassette recorder, also spelled video cassette recorder (VCR), electromechanical device that records, stores, and plays back television programs on a television set by means of a cassette of magnetic tape.
Advantages
- Large numbers of images can be recorded easily, with no need to move objects to a photographic studio. ...
- Large numbers of images can be recorded easily, with no need to move objects to a photographic studio. ...The ease of operation and speed of recording allows a great deal of information to be recorded without interruption of the survey process.
Disadvantages
- The main disadvantage is that no hard copy is produced. ...
- The main disadvantage is that no hard copy is produced. ...Viewing requires a video tape player and a monitor. ...
- The main disadvantage is that no hard copy is produced. ...Viewing requires a video tape player and a monitor. ...During the infrared scanning process, the VCR records the slight vibration and temporarily out-of-focus image produced while the camera is moving.
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