Scavenger Problems

Question 1

Two scavenger problems

Answer 1

1. Pressure in circuit
2. Blockage

Question 2

How long is activated charcoal good for and what can’t you use it with

Answer 2

12 hours
Nitrous oxide

Question 3

When do you know activated charcoal is no longer effective

Answer 3

Greater than 50g

Question 4

Blockage in the scavenger system is the same as a…

Answer 4

Closed pop off valve, need positive pressure relief

Question 5

Pressure in the circuit requires…

Answer 5

Negative pressure relief

Question 6

2 Types Leak Tests for Machines

Answer 6

High Pressure Testing (2 methods)
Low Pressure Testing

Question 7

High Pressure Testing measures the pressure from the __________ to the _____________.

Answer 7

From the tank to the circuit

Question 8

Pressure from the tank begins at 2200 psi, but the pressure regulator reduces this to _____________ psi by the time it reaches the machine.

Answer 8

50 psi

Question 9

Turn on the tank to do a High Pressure Test (method 1), and ________________ for a leak.

Answer 9

Listen

Question 10

If you cannot hear a leak when performing a high pressure test (method 1), what is an alternative assessment?

Answer 10

1. Turn the machine off and watch the manometer for changes.
2. Spray a detergent solution at all the junctions and watch for bubbles (machine off or on?)