HVAC Midterm
___ is a condition in which the thermostatic enlargement valve opens and closes often inflicting
widely various evaporator conditions. - ANS-TXV searching
___ is a illness due to exposure to aggressive solvents, chemicals, or warmness that leaves
microscopic cracks in the lenses. - ANS-crazing
___ is the energy of a substance due to the inner motion of its molecular structure. - ANS-Heat
___ is the mass of a substance per unit of volume. - ANS-Density
___ is the movement of air through distribution structures and constructing areas. - ANS-Air
movement
___ is the method of lowering air pollution via introducing sufficient clean outside air in to a
building to dilute indoor pollutants. - ANS-Ventilation
___ is the rate at which paintings is produced in keeping with unit of time . - ANS-strength
___ is the scientific take a look at of the behavior of warmth. - ANS-thermodynamics
___ pressure is any pressure above a perfect vacuum (0 psi) - ANS-absolute
____ are used on water-medium condensers to prove that water glide is to be had on the
condenser. - ANS-go with the flow switches
____ capability is the heat transfer potential of an evaporator measured in BTU. - ANS-Cooling
____ compressors are maximum famous in air conditioning applications. - ANS-reciprocating
____ strength is the strength of work. - ANS-mechanical
____ warmth is the heat implemented to or removed from a substance that results in a
exchange of nation. - ANS-Latent
____ is an unbiased organisation that checks equipment and merchandise to verify
conformance to countrywide codes and standards. - ANS-Underwriters Laboratories (UL)
____ is wise warmth delivered to refrigerant after it has changed kingdom from a liquid to a
gasoline. - ANS-superheat
, ____ is the amount of count number a substance incorporates. - ANS-Mass
____ is the quantity of moisture, or water vapor in air. - ANS-Humidity
____ is the variant of air temperature in a constructing that happens whilst heat air rises to the
ceiling and cold air drops to the ground. - ANS-Temperature stratification
____ Law is a gas regulation stating that the total strain of a gasoline mixture is the sum of the
pressures of each fuel in a combination. - ANS-Dalton's
____ pressure is a strain measurement above atmospheric pressure that is used to express
pressure derived from the operation of a closed device. - ANS-Gauge
____ pressure is the force exerted via the load of the surroundings at the earths's floor. -
ANS-atmospheric
____ suction line charts are used to signify the right suction line size so that it will return
refrigerant entrained oil to the compressor. - ANS-maximum
_____ and screw compressors are utilized in large industrial and industrial refrigeration
structures. - ANS-centrifugal
_____ compressors also are realize as high quality displacement compressors due to the fact a
particular amount of vapor is displaced or moved with every stroke of the compressor. -
ANS-Reciprocating
_____ power is strength that is in movement and consequently doing paintings - ANS-Kinetic
_____ evaporators are utilized in water-supply warmth pumps. - ANS-tube-in-tube
_____ warmth is the warmth implemented to or removed from a substance that effects in a
temperature alternate. - ANS-realistic
_____ is a way of warmth switch in which warmth is moved from one place to any other through
the move of a substance. - ANS-Convection
_____ is the quantity of moisture in air compared to the quantity of moisture the air could hold at
the same temperature whilst air is saturated, or full of moisture. - ANS-Relative humidity
_____ is the circumstance that takes place when someone can sense a distinction among
themselves and the encircling air. - ANS-soreness
___ is a condition in which the thermostatic enlargement valve opens and closes often inflicting
widely various evaporator conditions. - ANS-TXV searching
___ is a illness due to exposure to aggressive solvents, chemicals, or warmness that leaves
microscopic cracks in the lenses. - ANS-crazing
___ is the energy of a substance due to the inner motion of its molecular structure. - ANS-Heat
___ is the mass of a substance per unit of volume. - ANS-Density
___ is the movement of air through distribution structures and constructing areas. - ANS-Air
movement
___ is the method of lowering air pollution via introducing sufficient clean outside air in to a
building to dilute indoor pollutants. - ANS-Ventilation
___ is the rate at which paintings is produced in keeping with unit of time . - ANS-strength
___ is the scientific take a look at of the behavior of warmth. - ANS-thermodynamics
___ pressure is any pressure above a perfect vacuum (0 psi) - ANS-absolute
____ are used on water-medium condensers to prove that water glide is to be had on the
condenser. - ANS-go with the flow switches
____ capability is the heat transfer potential of an evaporator measured in BTU. - ANS-Cooling
____ compressors are maximum famous in air conditioning applications. - ANS-reciprocating
____ strength is the strength of work. - ANS-mechanical
____ warmth is the heat implemented to or removed from a substance that results in a
exchange of nation. - ANS-Latent
____ is an unbiased organisation that checks equipment and merchandise to verify
conformance to countrywide codes and standards. - ANS-Underwriters Laboratories (UL)
____ is wise warmth delivered to refrigerant after it has changed kingdom from a liquid to a
gasoline. - ANS-superheat
, ____ is the amount of count number a substance incorporates. - ANS-Mass
____ is the quantity of moisture, or water vapor in air. - ANS-Humidity
____ is the variant of air temperature in a constructing that happens whilst heat air rises to the
ceiling and cold air drops to the ground. - ANS-Temperature stratification
____ Law is a gas regulation stating that the total strain of a gasoline mixture is the sum of the
pressures of each fuel in a combination. - ANS-Dalton's
____ pressure is a strain measurement above atmospheric pressure that is used to express
pressure derived from the operation of a closed device. - ANS-Gauge
____ pressure is the force exerted via the load of the surroundings at the earths's floor. -
ANS-atmospheric
____ suction line charts are used to signify the right suction line size so that it will return
refrigerant entrained oil to the compressor. - ANS-maximum
_____ and screw compressors are utilized in large industrial and industrial refrigeration
structures. - ANS-centrifugal
_____ compressors also are realize as high quality displacement compressors due to the fact a
particular amount of vapor is displaced or moved with every stroke of the compressor. -
ANS-Reciprocating
_____ power is strength that is in movement and consequently doing paintings - ANS-Kinetic
_____ evaporators are utilized in water-supply warmth pumps. - ANS-tube-in-tube
_____ warmth is the warmth implemented to or removed from a substance that effects in a
temperature alternate. - ANS-realistic
_____ is a way of warmth switch in which warmth is moved from one place to any other through
the move of a substance. - ANS-Convection
_____ is the quantity of moisture in air compared to the quantity of moisture the air could hold at
the same temperature whilst air is saturated, or full of moisture. - ANS-Relative humidity
_____ is the circumstance that takes place when someone can sense a distinction among
themselves and the encircling air. - ANS-soreness
