A. 5%
B. 11%
C. 20%
D. 30%
Answer: B
parsing: For every 1000 meters increase in altitude, air density drops by about 11%.
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. Semiconductor manufacturing B. Food production C. Construction D. Pharmaceutical industry answer: C analysis: Due to the high oil content of compressed air, oil-injected air compressors are usually used in occasions where the purity of compressed air is not high, such as construction…
A. Color difference B. Orange peel phenomenon C. Fisheye defect D. Hanging answer: C analysis: Oil residue will cause “fish eye” defects on the surface of the car paint, seriously affecting the coating quality.
Answer: Follow the manufacturer’s instructions for draining and refilling the water tank.
Answer: Connect the compressor to a network and use a web-based interface or mobile app to monitor and control it remotely.