Chapter 11 working with refrigerants exam ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
with correct answers ||\\||\\ ||\\||\\
If a refrigeration system has a capillary tube metering device,
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
then the _____ method should be used to check the charge in
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
the system. - correct answers✔✔Super heat
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Most refrigeration systems have a sub cooling value between
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
____ F• - correct answers✔✔10-20 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Superheat is equal to the suction line temperature minus the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
____temperature - correct answers✔✔Evaporator ||\\||\\ ||\\||\\ ||\\||\\
If the ___ is low, then there is an excessive refrigerant charge in
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
the system - correct answers✔✔Super heat
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Performing a pump-down involves moving all the refrigerant in ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
a system to the ___ - correct answers✔✔Liquid reciver
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
, Passive recovery may involve using the ___ to pump refrigerant ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
out of the system - correct answers✔✔Compressor
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Active recovery methods use ___ to recover refrigerant from a
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
system - correct answers✔✔A recovery machine ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
During vapor recovery, the low and high side service valve||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
should be - correct answers✔✔Mid positioned ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Liquid recovery must be used in combination with ___ in order
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
to remove a system entire refrigerant charge - correct
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔Vapor recovery ||\\||\\
The push-pull liquid recovery method pulls vapor refrigerant
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
from the - correct answers✔✔Recovery cylinder
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
There should always be a ___ between the refrigerant system
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
and the recovery machine to protect the machine from
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
contamination - correct answers✔✔Filter drier ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
with correct answers ||\\||\\ ||\\||\\
If a refrigeration system has a capillary tube metering device,
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
then the _____ method should be used to check the charge in
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
the system. - correct answers✔✔Super heat
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Most refrigeration systems have a sub cooling value between
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
____ F• - correct answers✔✔10-20 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Superheat is equal to the suction line temperature minus the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
____temperature - correct answers✔✔Evaporator ||\\||\\ ||\\||\\ ||\\||\\
If the ___ is low, then there is an excessive refrigerant charge in
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
the system - correct answers✔✔Super heat
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Performing a pump-down involves moving all the refrigerant in ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
a system to the ___ - correct answers✔✔Liquid reciver
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
, Passive recovery may involve using the ___ to pump refrigerant ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
out of the system - correct answers✔✔Compressor
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Active recovery methods use ___ to recover refrigerant from a
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
system - correct answers✔✔A recovery machine ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
During vapor recovery, the low and high side service valve||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
should be - correct answers✔✔Mid positioned ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Liquid recovery must be used in combination with ___ in order
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
to remove a system entire refrigerant charge - correct
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔Vapor recovery ||\\||\\
The push-pull liquid recovery method pulls vapor refrigerant
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
from the - correct answers✔✔Recovery cylinder
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
There should always be a ___ between the refrigerant system
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
and the recovery machine to protect the machine from
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
contamination - correct answers✔✔Filter drier ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\