Preventative measures to minimize the potential for brittle fracture in existing equipment are limited to controlling _______ and ________, minimizing pressure at ambient temperatures during start-up and shutdown and periodic inspections at high stress locations.

Preventative measures to minimize the potential for brittle fracture in existing equipment are limited to controlling _ and __, minimizing pressure at ambient temperatures during start-up and shutdown and periodic inspections at high stress locations.

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Preventative measures to minimize the potential for brittle fracture in existing equipment are limited to controlling _______ and ________, minimizing pressure at ambient temperatures during start-up and shutdown and periodic inspections at high stress locations.
A . Temperature, stress
B . Stress, pressure
C . Velocity, stress
D . Temperature, Pressure

Answer: D