Answer: The screw and star wheel are designed for high efficiency and long life, with precise tolerances to ensure smooth operation.
Answer: Follow the manufacturer’s instructions for pipe sizing, connections, and routing.
A. A few hundred yuan to several thousand yuan B. Thousands of yuan to tens of thousands of yuan C. Tens of thousands to hundreds of thousands of yuan D. Hundreds of thousands of yuan to several million yuan Answer: A. A few hundred yuan to several thousand yuan
Answer: It is more energy-efficient and has lower operating costs due to its oil-free design and advanced compression technology.
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. Cylinder head and air liner B. Piston and piston rod C. Valve assemblies and lubrication systems D. These are all answers: D. all of the above are