N.T.P. corresponds to__________________?
Correct answer: C. 1 atm absolute pressure & 0°C
- A. 760 torr & 15°C
- B. 760 mm Hg gauge pressure & 0°C
- C. 1 atm absolute pressure & 0°C
- D. 101.325 KPa gauge pressure & 0°C
Explanation
NTP conventionally means a temperature of 0°C and an absolute pressure of 1 atm, equal to about 101.325 kPa absolute. Gauge pressure must not be confused with absolute pressure.
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