1.

The operating pressure of fan nozzle, which is undesirable is _____

A. 1.2 kg/cm<sup>2</sup>
B. 1.5 kg/cm<sup>2</sup>
C. 9 kg/cm<sup>2</sup>
D. 5.9 kg/cm<sup>2</sup>
Answer» C. 9 kg/cm<sup>2</sup>


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