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Mechanical Engineering · Q70

Refrigeration And Air Conditioning

Engineering and GATE · Mechanical Engineering · question 70

Q70

Which of the following statement is correct for ammonia as a refrigerant?

A.
It is toxic to mucous membranes.
B.
It requires large displacement per TR compared to fluoro carbons.
C.
It reacts with copper and its alloys.
D.
All of these
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Advantages of ammonia as a refrigerant:
- It is toxic to mucous membranes.
- It requires large displacement per TR compared to fluoro carbons.
- It reacts with copper and its alloys.