250 Auto Heating & Air Conditioning
9. Halide torch refrigerant leak checkers are being
discussed. Technician A says a disadvantage of
these checkers is they only work on R-12 or R-22.
Technician B says a disadvantage of these checkers is
they produce a poisonous gas. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
10. The dye type detector uses a fl uorescent dye. This dye
will glow when exposed to:
(A) black light.
(B) orange dye.
(C) soap solutions.
(D) open fl ame.