Refrigeration and Air Condition
Technology
A measure of heat quantity: - ANSWER-BTU's
A one ton system (12,000 Btuh) should have - ANSWER-1 x 400 CFM = 400 CFM total airflow
A three ton system should have 1,200 CFM total air flow. - ANSWER-True
A two ton system (24,000 Btuh) should have - ANSWER-2 x 400 CFM = 800 CFM total airflow
Air condition industry definition is - ANSWER-the system can control the temperature, humidity and
cleanliness of the air
Amount of BTU required to raise one pound of water one degree Fahrenheit - ANSWER-one
Any substance above absolute zero: - ANSWER-has heat energy stored in it
At what rate does electricity generate heat? - ANSWER-1 watt = 3.4 Btu's of heat
atmopshperic pressure is usually rounded off to ___ psi - ANSWER-15 psi
Atmosphere pressure is the weight of ______ exerted on the surface of the earth at sea level -
ANSWER-atmosphere (air)
atmospheric pressure = 14.7 psi - ANSWER-True
BTU - ANSWER-British Thermal Unit
CFH - ANSWER-cubic feet per hour
CFH is a measurement used on ____ _____ ____ _____. - ANSWER-gas piping capacity tables
CFM - ANSWER-cubic feet per minute
CFM is a measurement of _____? - ANSWER-airflow
Controlling the cleanliness of the air completes is also a part of the air-conditioning system? -
ANSWER-true
Definition of the rate of heat transfer - ANSWER-Btu's per hour per degree of temperature difference
per square foot of the surface area
Design conditions for human comfort are? - ANSWER-70 to 80 degrees farenheit
40 to 60% relative humidity
400 CFM of air flow/ton of cooling
FPM - ANSWER-measure of felocity
FPM is a measurement found on ___ _______ for ducting systems. - ANSWER-duct calculators
GPM - ANSWER-gallons per minute
GPM is used as a measurement for __ ______ __________ and _____ _____ and ____ ______. -
ANSWER-oil furnace capacity and water piping and pump capacity
How do we control the cleanliness of the air? - ANSWER-by the use of a high efficiency air filter
Technology
A measure of heat quantity: - ANSWER-BTU's
A one ton system (12,000 Btuh) should have - ANSWER-1 x 400 CFM = 400 CFM total airflow
A three ton system should have 1,200 CFM total air flow. - ANSWER-True
A two ton system (24,000 Btuh) should have - ANSWER-2 x 400 CFM = 800 CFM total airflow
Air condition industry definition is - ANSWER-the system can control the temperature, humidity and
cleanliness of the air
Amount of BTU required to raise one pound of water one degree Fahrenheit - ANSWER-one
Any substance above absolute zero: - ANSWER-has heat energy stored in it
At what rate does electricity generate heat? - ANSWER-1 watt = 3.4 Btu's of heat
atmopshperic pressure is usually rounded off to ___ psi - ANSWER-15 psi
Atmosphere pressure is the weight of ______ exerted on the surface of the earth at sea level -
ANSWER-atmosphere (air)
atmospheric pressure = 14.7 psi - ANSWER-True
BTU - ANSWER-British Thermal Unit
CFH - ANSWER-cubic feet per hour
CFH is a measurement used on ____ _____ ____ _____. - ANSWER-gas piping capacity tables
CFM - ANSWER-cubic feet per minute
CFM is a measurement of _____? - ANSWER-airflow
Controlling the cleanliness of the air completes is also a part of the air-conditioning system? -
ANSWER-true
Definition of the rate of heat transfer - ANSWER-Btu's per hour per degree of temperature difference
per square foot of the surface area
Design conditions for human comfort are? - ANSWER-70 to 80 degrees farenheit
40 to 60% relative humidity
400 CFM of air flow/ton of cooling
FPM - ANSWER-measure of felocity
FPM is a measurement found on ___ _______ for ducting systems. - ANSWER-duct calculators
GPM - ANSWER-gallons per minute
GPM is used as a measurement for __ ______ __________ and _____ _____ and ____ ______. -
ANSWER-oil furnace capacity and water piping and pump capacity
How do we control the cleanliness of the air? - ANSWER-by the use of a high efficiency air filter
