A. pressure and temperature
B. Oil and pressure
C. Temperature and oil quantity
D. unable to determine
Answer: A
Analysis: The control system of oilless air compressors is mainly used to monitor and control the operating parameters of the compressor, such as pressure and temperature.
A. Annex A B. Annex C C. Annex D D. Annex E Answer: B Analysis: The exhaust volume standard corresponds to ISO 1217 Annex C.
Answer: Some high-end models support remote monitoring and control functions, allowing users to monitor equipment status and perform remote operations in real-time.
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.
Answer: It is designed to be energy-efficient and environmentally friendly, with low energy consumption and zero emissions.
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.