Here are the SEO meta tags based on the provided information: **Meta Title:** Gauge Pressure of Vapor in Barometer Tube | GATE Mechanical Engineering 2020 Q15 **Meta Description:** Understand the gauge pressure of mercury vapor in the space above the column in a barometer tube. Practice this important concept with a GATE Mechanical Engineering 2020 Set 2 Question 15. **Meta Keywords:** GATE Mechanical Engineering 2020, Barometer, Vapor Pressure, Gauge Pressure, Mercury Column, Torricellian Vacuum, Fluid Mechanics, Thermodynamics, Pressure Measurement, GATE ME, GATE Previous Year Question, ExamPrev

Mechanical Engineering > Gate 2020 Set-2 > Pressure Measurement

In the space above the mercury column in a barometer tube, the gauge pressure of the vapour is

A

zero

B

negative

C

positive, but less than one atmosphere

D

positive, but more than one atmosphere

Correct : b

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Related Topics

barometer mercury column vapour pressure above mercury gauge pressure barometer mechanical engineering gate 2020 positive pressure vapor atmospheric pressure vapour pressure barometer vapour pressure more than one atmosphere

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