1366Mechanical EngineeringMedium
The leaks in a refrigeration system using Freon are detected by________?
Ausing reagents
Bsulphur sticks which on detection gives white smoke
Csmelling
Dhalide torch which on detection produces greenish flame lighting
Esensing reduction in pressure
Correct answer
D. halide torch which on detection produces greenish flame lighting
Explanation
The correct answer is halide torch which on detection produces greenish flame lighting.