The correct answer is measure.
B. temper steel
D. exhaust gas
The correct answer is (C) To measure exactly, especially objects of standard size, such as wire or bolts; to measure fluctuating quantities or forces, such as wind, rainfall, depth of liquid, etc. Also, to appraise, estimate, or judge.
Gauge comes from Old French gauger (to measure).
Examples of use:
- He gauged the thickness of the steel plate.
- They gauged the capacity of all three silos.