[Production Version] Daily Question 2018-3-17 (Multiple Choice)
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When installing a steam pressure gauge on-site, an annular tube is placed between the pressure tapping point and the pressure gauge; its function is: ( ) A. To prevent condensate from entering the pressure gauge； B. Prevent high-temperature steam from damaging the pressure gauge ； C. Buffer steam fluctuations to obtain accurate values. B
When installing a steam pressure gauge on-site, an annular tube is placed between the pressure tapping point and the pressure gauge; its function is: (C) A. To prevent condensate from entering the pressure gauge； B. Prevent high-temperature steam from damaging the pressure gauge ； C. Buffer steam fluctuations to obtain accurate values.
B. Prevent high-temperature steam from damaging the pressure gauge ；
B. Prevent high-temperature steam from damaging the pressure gauge ；
B. Prevent high-temperature steam from damaging the pressure gauge ；