What are the types of piston air compressors classified according to the exhaust pressure?

Answer: The motor power varies depending on the compressor model and flow demand, with specifications such as 5.5kW, 7.5kW, 11kW, etc.

A. 1-2% B. 3-5% C. 6-8% D. 10-15% Answer: B Analysis: High humidity reduces effective air volume by 3-5%.

A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors usually consume less energy and improve energy efficiency due to reduced use of lubricating oil.

A. Food and beverage, pharmaceuticals, cigarettes, electricity, heavy industry, chemical fiber, manufacturing, automobiles, etc. B. Household use, commercial use, agricultural production use C. Oil and gas, construction, logistics, medical D. Manufacturing, oil…

Answer: It should be installed in a cool, dry place with adequate ventilation and away from sources of heat and moisture.