Question:-
The leaks in a refrigeration system Freon are detected by :
Option (A)
A halide torch, which on detecting produces greenish flame light
Option (B)
Sulphur sticks, which on detecting give the smoke
Option(C)
Using reagents
Option(D)
Sensing reduction in pressures
Correct Option:
(A)
Question Solution:
Halide torch method is used for detection, it produces greenish flame lighting.
question-answer-faq-9501