Author Question: A pitot tube is used to measure: A) Barometric pressure in mechanical rooms. B) Velocity pressure ... (Read 147 times)

crazycityslicker · **on:** Jul 24, 2018

A pitot tube is used to measure:

A) Barometric pressure in mechanical rooms. B) Velocity pressure in ducts.
C) Water pressure in recirculating water systems. D) Water velocity in recirculating water systems.

Question 2

You should flush the system:

A) Until the solvent can is empty.
B) For 5 to 10 minutes per pound of charge.
C) Until no more oil or debris comes out of the line.
D) For 5 to 10 minutes per foot of line.