F GAS EXAM LATEST QUESTIONS WITH
100% CORRECT ANSWERS!!
1 of 59
Term
What absolute vacuum levels should be achieved before charging a
refrigeration system with refrigerant?
Give this one a try later!
Thinning of pipe walls and fin A reading of less than 2000
decomposition microns
, The service valve on the back seat The air off the evaporator minus
10k
Don't know?
2 of 59
Term
Which F Gas category qualifications is required for
a service engineer to legally charge 12kg of R404A
into a refrigeration system?
Give this one a try later!
0.05 1
6 monthly 20K
Don't know?
3 of 59
Term
What refrigerant is listed on the kryoto protocol?
Give this one a try later!
, R32 R134a
Zeotropic refrigerant R22
Don't know?
4 of 59
Term
What conditions could indicate the orifices used in the TEV
is too small?
Give this one a try later!
Leak test the evaporator Clear liquid line sight
with the unit in shut down glass with 15k superheat
Cut out = cut in minus Reduction in specific volume at
the differential compressor inlet
Don't know?
, 5 of 59
Term
What refrigerant is covered by the requirements of EC
Regulations 517/2014?
Give this one a try later!
R404A Subcooled liquid
1 inch Zeotropic refrigerant
Don't know?
6 of 59
Term
How do design engineers ensure that condenser pressures
remains within their design limits?
Give this one a try later!
Leak test the evaporator Reduction in specific volume at
with the unit in shut down compressor inlet
Reduce condenser fan
speed at low ambient Pressure and temperature fall
temperatures
100% CORRECT ANSWERS!!
1 of 59
Term
What absolute vacuum levels should be achieved before charging a
refrigeration system with refrigerant?
Give this one a try later!
Thinning of pipe walls and fin A reading of less than 2000
decomposition microns
, The service valve on the back seat The air off the evaporator minus
10k
Don't know?
2 of 59
Term
Which F Gas category qualifications is required for
a service engineer to legally charge 12kg of R404A
into a refrigeration system?
Give this one a try later!
0.05 1
6 monthly 20K
Don't know?
3 of 59
Term
What refrigerant is listed on the kryoto protocol?
Give this one a try later!
, R32 R134a
Zeotropic refrigerant R22
Don't know?
4 of 59
Term
What conditions could indicate the orifices used in the TEV
is too small?
Give this one a try later!
Leak test the evaporator Clear liquid line sight
with the unit in shut down glass with 15k superheat
Cut out = cut in minus Reduction in specific volume at
the differential compressor inlet
Don't know?
, 5 of 59
Term
What refrigerant is covered by the requirements of EC
Regulations 517/2014?
Give this one a try later!
R404A Subcooled liquid
1 inch Zeotropic refrigerant
Don't know?
6 of 59
Term
How do design engineers ensure that condenser pressures
remains within their design limits?
Give this one a try later!
Leak test the evaporator Reduction in specific volume at
with the unit in shut down compressor inlet
Reduce condenser fan
speed at low ambient Pressure and temperature fall
temperatures
