Which of the following statements regarding unheated quenching is MOST accurate?
1) Temperatures range from 200°F to 400°F (93°C to 205°C).
2) Normal flash point is 750°F (398°C).
3) Temperatures range from 100°F to 200°F (38°C to 98°C).
4) Normal flash point is 500°F (260°C).