NCCER Module 5 Introduction to
cooling Questions and Answers 100%
Pass
To close a control circuit and start a system a remote bulb thermostat depends on a_? -
✔✔Refrigerant filled bulb that response to temperature changes
Which of the following control devices is often used in both a primary and a secondary control roll?
- ✔✔Pressure switches
Immaterial that readily and actively absorbs water is considered_? - ✔✔Hygroscopic
A device used to prevent the reverse flow of a liquid is a_? - ✔✔Check valve
The Celsius scale is based on boiling water having a temperature at sea level of_? - ✔✔100°
Subcooling occurs_. - ✔✔After all vapor has changed to liquid
When the temperature of a vapor is higher than its boiling point, the vapor is_? - ✔✔Superheated
When heat is carried from one object to another by means of a moving liquid or gas, it is
being transferred by_? - ✔✔Convection
A ton of refrigeration is equal to_? - ✔✔12,000 BTUs per hour
cooling Questions and Answers 100%
Pass
To close a control circuit and start a system a remote bulb thermostat depends on a_? -
✔✔Refrigerant filled bulb that response to temperature changes
Which of the following control devices is often used in both a primary and a secondary control roll?
- ✔✔Pressure switches
Immaterial that readily and actively absorbs water is considered_? - ✔✔Hygroscopic
A device used to prevent the reverse flow of a liquid is a_? - ✔✔Check valve
The Celsius scale is based on boiling water having a temperature at sea level of_? - ✔✔100°
Subcooling occurs_. - ✔✔After all vapor has changed to liquid
When the temperature of a vapor is higher than its boiling point, the vapor is_? - ✔✔Superheated
When heat is carried from one object to another by means of a moving liquid or gas, it is
being transferred by_? - ✔✔Convection
A ton of refrigeration is equal to_? - ✔✔12,000 BTUs per hour
