Author Question: What effect does contact with refrigerant have on a digital leak detector's sensing wand? A) It ... (Read 35 times)

karlynnae · **on:** Jul 26, 2018

What effect does contact with refrigerant have on a digital leak detector's sensing wand?

A) It has no effect. B) It renders the wand useless.
C) It depends on how long it was exposed. D) It may cause damage to the entire unit.

Question 2

Why might there be a negative pressure on the condensate outlet in a coil operating at a positive static pressure?

A) The draining water creates an internal pressure in the drain line.
B) The air velocity can create a negative pressure.
C) The algae collecting in the drain pan creates a negative pressure.
D) A positive static pressure is really negative compared to atmospheric pressure.