What aspect of the company does ISO 50001 certification focus on?
A. quality management system
B. environmental management system
C. energy management system
D. occupational health and safety management system
Answer: C
Analysis: ISO 50001 is a certification specifically for energy management systems that helps companies optimize energy efficiency.
Answer: Perform a series of tests to check the discharge pressure, capacity, and energy efficiency, and compare the results with the manufacturer’s specifications.
Answer: The advantages include no oil contamination, low maintenance costs, long service life, and high energy efficiency.
A. Inspect reinforced gas piping B. Replace the leaking valve C. Check or replace air valve D. These are all answers: D. all of the above are
Answer: It uses water as a lubricant, achieving oil-free operation.
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: B. Thousands to tens of thousands of yuan