At what pressure is the air blown during cleaning? – McqOptions

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1.	At what pressure is the air blown during cleaning?
A.	5-10 KN/m<sup>2</sup>
B.	10-15 KN/m<sup>2</sup>
C.	15-30 KN/m<sup>2</sup>
D.	20-35 KN/m<sup>2</sup>
Answer» E.

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