Answer: The competitive advantages include high energy efficiency, no oil contamination, low maintenance costs, long service life, as well as strong brand influence and technical support.
A. 1-3% B. 8-12% C. 15-25% D. 30-40% Answer: B Analysis: The gap leakage loss of the screw machine is 8-12%, and the reciprocating gap volume loss is even higher.
A. 15 B. 30 C. 45 D. 60 Answer: C Analysis: Through energy efficiency optimization, the 110kW model can save annual electricity bills of up to 450,000 yuan, directly reducing operating costs.
A. Low level of protection B. High level of protection C. Low power D. High noise answer: B. high protection level
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. 5-7 Year B. 7-10 Year C. 10-12 Year D. 12-15 Answer: C analysis: Environmentally friendly oil-free air compressor adopts a fully enclosed design, and the equipment life can reach 10-12 years, far exceeding traditional oily lubrication…