1
ESCO Air Conditioning Exam Questions with
Answers Latest Update (100% Solved)
书山有路勤为书山有路勤为径，学海无涯苦作舟书
•
山书山有路勤为径，学海无涯苦作舟有路勤为径，
Heat which学海无涯苦作舟径，学海无涯苦作舟
causes a change in temperature of a substance is called -
(answer)Sensible heat
Heat added to a substance without a rise in temperature - (answer)Latent heat
Heat added to the refrigerant in a vapor state after the evaporation process is
called - (answer)Superheat
Scroll compressor move refrigerant by - (answer)Involute Spirals
The movement of heat by way of fluid is called - (answer)Convection
The movement of heat by direct contact is - (answer)Conduction
The standard unit for measuring the quantity of heat in a substance is -
(answer)BTUs
Refrigerant gives up heat when - (answer)It condenses in the condenser and
gives up heat
Why must refrigerant in the suction line be slightly warmer than the saturation
temperature? - (answer)To Prevent liquid slugging of the compressor
, 2
The state of the refrigerant in the suction line should be - (answer)Low
pressure / Low temperature Superheated vapor
书山有路勤为书山有路勤为径，学海无涯苦作舟书
山书山有路勤为径，学海无涯苦作舟有路勤为径，
The state of the refrigerant entering the condenser is - (answer)High pressure /
Highly superheated vapor
学海无涯苦作舟径，学海无涯苦作舟
The evaporator - (answer)Transfers heat from the refrigerated space to the
refrigerant
Thermodynamic properties of refrigerants are Critical Point, Saturation Point,
Enthalpy but not what? - (answer)Flammability
The sequential order of steps in the vapor compressions process are -
(answer)Compression, Condensation, Expansion, Vaporization
If a 30 pound cylinder of reclaimed R 410 a refrigerant has been stored
overnight at 70° the pressure in the cylinder should be approximately -
(answer)201 psig
Fan airflow pressures are usually measured in - (answer)Inches of water
column
0 pounds per square inch absolute is - (answer)A pressure which cannot be
further reduced
0 pounds per square inch gauge is - (answer)The same as atmospheric
pressure
ESCO Air Conditioning Exam Questions with
Answers Latest Update (100% Solved)
书山有路勤为书山有路勤为径，学海无涯苦作舟书
•
山书山有路勤为径，学海无涯苦作舟有路勤为径，
Heat which学海无涯苦作舟径，学海无涯苦作舟
causes a change in temperature of a substance is called -
(answer)Sensible heat
Heat added to a substance without a rise in temperature - (answer)Latent heat
Heat added to the refrigerant in a vapor state after the evaporation process is
called - (answer)Superheat
Scroll compressor move refrigerant by - (answer)Involute Spirals
The movement of heat by way of fluid is called - (answer)Convection
The movement of heat by direct contact is - (answer)Conduction
The standard unit for measuring the quantity of heat in a substance is -
(answer)BTUs
Refrigerant gives up heat when - (answer)It condenses in the condenser and
gives up heat
Why must refrigerant in the suction line be slightly warmer than the saturation
temperature? - (answer)To Prevent liquid slugging of the compressor
, 2
The state of the refrigerant in the suction line should be - (answer)Low
pressure / Low temperature Superheated vapor
书山有路勤为书山有路勤为径，学海无涯苦作舟书
山书山有路勤为径，学海无涯苦作舟有路勤为径，
The state of the refrigerant entering the condenser is - (answer)High pressure /
Highly superheated vapor
学海无涯苦作舟径，学海无涯苦作舟
The evaporator - (answer)Transfers heat from the refrigerated space to the
refrigerant
Thermodynamic properties of refrigerants are Critical Point, Saturation Point,
Enthalpy but not what? - (answer)Flammability
The sequential order of steps in the vapor compressions process are -
(answer)Compression, Condensation, Expansion, Vaporization
If a 30 pound cylinder of reclaimed R 410 a refrigerant has been stored
overnight at 70° the pressure in the cylinder should be approximately -
(answer)201 psig
Fan airflow pressures are usually measured in - (answer)Inches of water
column
0 pounds per square inch absolute is - (answer)A pressure which cannot be
further reduced
0 pounds per square inch gauge is - (answer)The same as atmospheric
pressure
