Trial Q30 Free Practice Test Which statement best describes the autoclaving process? A Dry heat at 338°F or 170°C for 2 hours B Steam pressure of 15 psi at 170°C for 30 minutes C Steam pressure of 15 psi at 170°C for 15 minutes D Steam pressure of 15 psi at 250°F for 30 minutes E Steam pressure of 15 psi at 250°F for 15 minutes