@air
2025-04-17

13. Which annex to ISO 1217 does the industry standard for gas production correspond to?

A. Annex B
B. Annex C
C. Annex D
D. Annex E

Answer: C
parsing: Gas production standard corresponds to ISO 1217 Annex D.

Welcome!

Related Articles:
@air
2025-04-15

What are the main reasons for the high maintenance costs of oil-injected air compressors?

A. Lubricating oil and oil filter need to be replaced regularly B. Short equipment life C. High energy consumption D. The oil content of compressed air is high. Answer: A Analysis: The oil injection air compressor requires regular replacement of lubricating oil and oil filter, which increases maintenance costs…

@ggao
2025-03-12

How is the noise level of the GWL Series compressor?

Answer: The noise level is relatively low, typically below [Z] dB(A).

@ggao
2025-03-12

What is the discharge pressure range of the GWL Series compressor?

Answer: The discharge pressure range is typically between [X] and [Y] bar.

@ggao
2025-03-12

What does “low pressure” refer to in the GWL Series compressor?

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.

@air
2025-04-15

What kind of air compressor does the semiconductor manufacturing industry usually choose?

A. Oil injection air compressor B. Oil-free air compressor C. Both can be D. The answer cannot be determined: B Analysis: The semiconductor manufacturing industry has extremely high requirements for the purity of compressed air, so oil-free air compressors are usually chosen.