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.
A. Cooling and lubricating compressor components B. Improve the purity of compressed air C. Reduce equipment noise D. Increase equipment life Answer: A Analysis: The lubricating oil system of the oil-injected air compressor injects lubricating oil into the compression chamber to start…
A. Produce lubricating oil B. No lubricating oil C. Need to replace lubricating oil frequently D. High noise answer: B. No production of lubricating oil
A. Price and brand B. Performance, price and brand C. Input power and output power D. Production date and transportation method Answer: C. input power and output power
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. 5% B. 11% C. 20% D. 30% answer: B Analysis: For every 1000 meters increase in altitude, the air density drops by about 11%.