【Weekly 3 Questions, Question 40】November 09, 2017

Thread Content

The last edit to this post was made by xh8618 on 2017-11-9 at 13:16; the file bg9.png is attached. The question for this issue is as follows: (Multiple choice) A compressor has an outlet pressure of around 25 MPa. Which of the following pressure gauges would be the most suitable for measuring this pressure? ( ) A. A regular pressure gauge with a range of 0–25 MPa； B. Seismic pressure gauge with a range of 0~25 MPa; C. Ordinary pressure gauge with a range of 0~40 MPa ； D. The answers for the seismic pressure gauges with a range of 0~60 MPa will be announced on November 11, 2017. Answers from the previous round: (Single-choice question) There is a control valve with a proportional flow characteristic, and its adjustable ratio is 32. If the maximum flow rate at full open is 100 m3/h, then what is the flow rate when the valve is opened to 2/3 of its full position? A、67.7m3/h B、52.6m3/h C、40.6m3/h D、31.5m3/h The answer is D