Answer: Perform a series of tests to check the discharge pressure, capacity, and energy efficiency, and compare the results with the manufacturer’s specifications.
A. Cylinder volume × speed × number of cylinders B. Gas production × efficiency coefficient C. Theoretical exhaust volume ÷ temperature correction coefficient D. Standard state gas production × altitude correction factor Answer: A Analysis: Discharge…
A. Gas separation and storage B. Home use of C. Commercial places use D. Agricultural production uses answer: A. Gas separation and storage
A. 0.05 bar B. 0.1 bar C. 0.2 bar D. 0.5 Bar Answer: B Analysis: The pressure drop per 50 meters of pipeline increases by 0.1 bar, and the flow loss is about 2%.
A. B. major cities in the world Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. major cities around the world
A. A few hundred yuan to several thousand yuan B. Thousands of yuan to tens of thousands of yuan C. Tens of thousands to hundreds of thousands of yuan D. Hundreds of thousands of yuan to several million yuan Answer: A. A few hundred yuan to several thousand yuan