A. higher
B. lower
C. Same as injection air compressor
D. unable to determine
Answer: B
Analysis: Oil-free air compressors usually consume less energy and improve energy efficiency due to reduced use of lubricating oil.
A. Portable air compressor B. Industrial air compressor C. Medical air compressor D. Mine air compressor Answer: A. portable air compressor
A. Increase assembly speed B. Extend tool life C. Reduce noise levels D. Reduce energy consumption Answer: B Analysis: Oil-free technology prevents oil mist from polluting high-precision pneumatic tools, thereby extending tool life to 1…
A. Volume efficiency loss B. Air compressor brand premium C. Intake air temperature D. Filter pressure loss answer: B Analysis: Gas production is affected by mechanical efficiency, environmental factors and system matching, and has nothing to do with the brand.
A. Increase exhaust temperature B. Avoid dirt that leads to reduced efficiency C. Increase noise D. Shorten equipment life Answer: B Analysis: Cleaning the cooler can prevent the accumulation of dirt and maintain efficiency.
Answer: “Low pressure” refers to the compressor’s ability to operate at relatively low pressure levels, making it suitable for applications that require low-pressure compressed air.