ASE Heating and Air Conditioning Multiple Choice Practice Test

Question 1 of 3
60% Get this Question Right
When IDing an AC system Tech Y says that an accumulator located between the evaporator and the compressor is an indication that the system has an orifice tube. Tech Z says that when the high side service port fitting is small er than the one on the low side the system uses R134A. Who is right?
Neither Tech Y nor Z
Tech Y
Tech Z
Both Tech Y and Z