At standard pressure, water freezes at:

Multiple choice — select the best answer

A32 F / 0 C
B100 F / 38 C
C212 F / 100 C
D0 F / minus 18 C

✓ Correct answer: A. 32 F / 0 C Water freezes at 32 F, equal to 0 C, at standard atmospheric pressure. Freezing can disable water-based fire systems and hose lines in cold weather.

.q-expl{display:block!important}.q-opt[data-idx="0"]{border-color:#16a34a;background:#f0fdf4}.q-opt[data-idx="0"] .oltr{background:#16a34a;color:#fff}.q-opt{cursor:default!important;pointer-events:none}

Keep practising. Use the free US Firefighter PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.

Free PDF Video walkthrough

Topic: Basic Fire Science

← Previous Next → 🎲 Random question ↩ Back to all questions

Keep practising

At standard pressure, water freezes at:

Related questions — Basic Fire Science

Free practice here. Timed mocks when you are ready.