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Make-up examination for 1st stage

您好，感谢您能抽出宝贵的时间来参与此次调查问卷！

Your name

____________

What is the shangrila510s oxygen concentration range

21%- 100％

38%- 100％

40%- 100％

50%- 100％

What is the driven and control type of VG70 ?

Electronically controlled, electronically driven

Electronically controlled, pneumatically driven

Pneumatically controlled, pneumatically driven

Pneumatically controlled, electronically driven

Which are the common air and oxygen sources?

Gas cylinder

Compressor

Gas terminal

All of above

PART3. QUESTIONS AND ANSWERS