A. 0.05 bar
B. 0.1 bar
C. 0.2 bar
D. 0.5 bar
Answer: B
parsing: The pressure drop increases by 0.1 bar per 50 meters of pipeline, and the flow loss is about 2%.
A. High energy consumption B. Low energy consumption and high efficiency C. Maintaining complex D. High noise answer: B. Low energy consumption and high efficiency
A. Industry, energy, construction, mining B. Home use, commercial use C. Oil and gas, construction, logistics D. Manufacturing, oil and gas, construction Answer: A. Industry, energy, construction, mining
A. 0.5-0.6 B. 0.7-0.85 C. 0.9-1.0 D. 1.1-1.2 Answer: B Analysis: When selecting the model, it needs to be multiplied by an efficiency factor of 0.7-0.85.
Answer: The motor power varies depending on the compressor model and flow demand, with specifications such as 5.5kW, 7.5kW, 11kW, etc.
Answer: First, check the fault indicator lights and alarm messages, and troubleshoot and handle according to the prompts. If the problem cannot be solved independently, contact professional maintenance personnel promptly.