Which one of the following refrigerant leak test procedures produces the deadly gas phosgene?
a) litmus
b) halide torch
c) sulphur candle
d) leak detection liquid such as snoop
e) electronics
Answer: B
Which one of the following refrigerant leak test procedures produces the deadly gas phosgene?
a) litmus
b) halide torch
c) sulphur candle
d) leak detection liquid such as snoop
e) electronics
Answer: B