*$_Small furnace draught is accurately measured by an inclined tube ma – McqOptions

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1.	*$_Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is?
A.	Water
B.	Carbon tetrachloride
C.	Paraffin
D.	Ethylene glycol
Answer» D. Ethylene glycol

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