Answer Key: Self-Test B-5.2
- Perpendicular or vertical (at 90°)
- Cherry-red
- Drag lines
- Working pressure settings
- Amount of preheat flames
- Angle of torch tip relative to metal
- Tip size
- Speed of cutting torch across metal
- Control of torch by operator
- d. Tests for combustibility must be performed by a qualified person and posted for review.
- Concrete
- Remove minor surface impurities
- Prevents formation of oxides
- Aids in capillary action
- 93 °C to 316°C (200 °F to 600 °F)
- 449 °C (840 °F)
- 449 °C (840 °F)
- 40 ft³
- Acetone