1.

CNG is stored at a pressure of____$

A. 281-621kg/cm<sup>2</sup>
B. 482-591kg/cm<sup>2</sup>
C. 200-248kg/cm<sup>2</sup>
D. 800-828kg/cm<sup>2</sup>
Answer» D. 800-828kg/cm<sup>2</sup>


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