Boiler draught of 10 mm water column is equivalent to_________________

1.	Boiler draught of 10 mm water column is equivalent to_____________________?
A.	1 kgf/m2
B.	10 kgf/m2
C.	10 kgf/mm2
D.	1 kgf/mm2
Answer» C. 10 kgf/mm2

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Boiler draught of 10 mm water column is equivalent to_____________________?

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