EPA Practice Test – Core #8

In which of the following configurations will relief valves in the refrigeration system be?

HFC refrigerants have Zero Ozone Depletion Potential and Zero Global Warming Potential.

If the temperature of the refrigerant is warmer, there will be a _______ evacuation of the refrigerant from the refrigeration system.

What letter represents the refrigerant with a higher toxicity?

What is the color of the compound gauge that measures low pressure and vacuum?

What phase describes the refrigerant when it is in the condenser?

What is the name of the process in which refrigerants are at the level of new product specifications as determined by chemical analysis?

 To make a refrigerant saturated and change its state by condensing it requires what kind of heat?

Class 1 Refrigerants will have an ozone depletion potential greater than

 When a cylinder is exposed to heat and is in risk of explosion, which of the following increases?

Up to how many miles above the earth’s surface does the ozone layer in the stratosphere extend?

 Knowingly venting any refrigerant has been a violation of CAA since what date?

  Recovery cylinders are designed to be refilled.

 What is the name for the temperature at which non-azeotropic blends first begin to condense?

What is the penalty, per day per violation, for improper record keeping, as per CAA?

 Which of the following is an example of an HFC?

 Before it can be resold, what standard must a reclaimed refrigerant meet?

When the refrigerant system is more moist, it will take the refrigerant _____ to evacuate

What happens to the recovery process of the refrigerants when the ambient temperature becomes colder?

Before opening a system for service, CFCs and HCFCs must be recovered.

Refrigerant oil must be miscible at high temperature.

During a halide torch test, what material is heated by hydrocarbon fuel as refrigerant air is drawn over it?

Which of the following is not a result of stratospheric ozone depletion?

During the asphyxiation, what happens in the blood caused by respiratory interference?

 On what date were CFCs phased out?