Author Question: The pressure drop for R-22 due to vertical lift ina liquid line is approximately: A) 0.2 psi per ... (Read 107 times)

james0929 · **on:** Jul 24, 2018

The pressure drop for R-22 due to vertical lift ina liquid line is approximately:

A) 0.2 psi per foot of lift. B) 0.5 psi per foot of lift.
C) 1 psi per foot of lift. D) 2 psi per foot of lift.

Question 2

Why is it dangerous to drill out orifices in metering devices?

A) The metal is too hard to drill through. B) The orifices are conical in shape.
C) The orifices are rectangular in shape. D) The metal is too soft to drill through.