HVAC ESCO Basic Test Review
A liquid to suction heat exchanger is often used to
A. Decrease Vapor Superheat
B. Increase liquid subcooling
C. Decrease head stress
D. Increase Flash gasoline in the suction line
B. Increase liquid subcooling
The term, refrigerant situations discuss with which of the following
A. Saturated ,superheat, or subcooling refrigerant
B. Pressurized refrigerant only
C. A device in a entire vacuum
D. The out of doors ambient air temperature
A. Saturated, superheat, or subcooling
The factor within the refrigeration device used to trap and save you liquid from getting into the
compressor is called the
A. Liquid receiver
B. The accumulator
C. The oil separator
D. The filter out dryer
B. The Accumulator
An air con device or heat pump need to have
A. 550-six hundred cubic feet of air consistent with minute across the evaporator coil
B. 500-550 cubic ft of air according to minute across the evaporator coil
C. 400-450 cubic toes of air in keeping with minute throughout the evaporator coil
D. Less than four hundred cubic toes of air in step with minute throughout the evaporator coil
C. Four hundred-450 cubic feet of air according to minute throughout the evaporator coil
The refrigerant rate in a TXV remote bulb or strength detail ought to
A. Be changed whilst the filter out dryer is changed
B. Have comparable traits to the refrigerant in the device
C. Be discharged earlier than it's far powerful
D. Have pressure similar to R-134A
B. Have similar characteristics to the refrigerant in the device
, The far flung bulb of a TXV have to be fastened to the
A. Outlet of the TXV, approximately 6 inches
B. Inlet of the TXV approximately 6 inches
C. Outlet of the condenser, and on the superheat line
D. Outlet of the evaporator
D. Outlet of the evaporator
which of the subsequent is TRUE, of a solenoid price in a pump down system?
A. It is located after the metering device
B. It is located before the metering device
C. It is positioned after the evaporator
D. It is used instead of a metering device
B. It is located before the metering device
The evaporator temperature on an aircon device have to be
A. Forty to 50 stages F
B. No greater than 32 degrees F
C. More than 50 stages F
D. 20 to 30 levels F
A. Forty to 50 degrees F
The second pleasant way to price a capillary tube system is
A. Use the superheat charging desk or curve
B. Listen to the sounds the compressor makes
C. Charge the unit and look ahead to sweating or frost at the suction line
D. Add refrigerant till the evaporator gets bloodless
A. Use superheat charging desk or curve
A partly clogged capillary tube can purpose
A. Low head pressure
B. A starved condenser
C. A starved evaporator
D. A flooded evaporator
C. A starved evaporator
The reason of a liquid pressure amplification (LPA) is to
A. Increase the superheat simplest
A liquid to suction heat exchanger is often used to
A. Decrease Vapor Superheat
B. Increase liquid subcooling
C. Decrease head stress
D. Increase Flash gasoline in the suction line
B. Increase liquid subcooling
The term, refrigerant situations discuss with which of the following
A. Saturated ,superheat, or subcooling refrigerant
B. Pressurized refrigerant only
C. A device in a entire vacuum
D. The out of doors ambient air temperature
A. Saturated, superheat, or subcooling
The factor within the refrigeration device used to trap and save you liquid from getting into the
compressor is called the
A. Liquid receiver
B. The accumulator
C. The oil separator
D. The filter out dryer
B. The Accumulator
An air con device or heat pump need to have
A. 550-six hundred cubic feet of air consistent with minute across the evaporator coil
B. 500-550 cubic ft of air according to minute across the evaporator coil
C. 400-450 cubic toes of air in keeping with minute throughout the evaporator coil
D. Less than four hundred cubic toes of air in step with minute throughout the evaporator coil
C. Four hundred-450 cubic feet of air according to minute throughout the evaporator coil
The refrigerant rate in a TXV remote bulb or strength detail ought to
A. Be changed whilst the filter out dryer is changed
B. Have comparable traits to the refrigerant in the device
C. Be discharged earlier than it's far powerful
D. Have pressure similar to R-134A
B. Have similar characteristics to the refrigerant in the device
, The far flung bulb of a TXV have to be fastened to the
A. Outlet of the TXV, approximately 6 inches
B. Inlet of the TXV approximately 6 inches
C. Outlet of the condenser, and on the superheat line
D. Outlet of the evaporator
D. Outlet of the evaporator
which of the subsequent is TRUE, of a solenoid price in a pump down system?
A. It is located after the metering device
B. It is located before the metering device
C. It is positioned after the evaporator
D. It is used instead of a metering device
B. It is located before the metering device
The evaporator temperature on an aircon device have to be
A. Forty to 50 stages F
B. No greater than 32 degrees F
C. More than 50 stages F
D. 20 to 30 levels F
A. Forty to 50 degrees F
The second pleasant way to price a capillary tube system is
A. Use the superheat charging desk or curve
B. Listen to the sounds the compressor makes
C. Charge the unit and look ahead to sweating or frost at the suction line
D. Add refrigerant till the evaporator gets bloodless
A. Use superheat charging desk or curve
A partly clogged capillary tube can purpose
A. Low head pressure
B. A starved condenser
C. A starved evaporator
D. A flooded evaporator
C. A starved evaporator
The reason of a liquid pressure amplification (LPA) is to
A. Increase the superheat simplest
