REFRIGERANT AND INSULATION - Quiz

1) Which is the effective method for refrigerant recovery?

Condensing unit Charge migration Push pull recovery Use of system's compressor

2) How numerical designations of inorganic refrigerants are assigned?

Divide 700 to molecular mass of compound Multiply 700 to molecular mass of compound Adding 700 to molecular mass of compound Subtracting 700 from molecular mass of compound

3) How many hydrogen atoms are present in R 134a?

One Two Four Three

4) Which refrigerant is used in vapour compression cycle?

Secondary refrigerant Primary refrigerant Brine solution Water

5) Which position is safe for storing refrigerant cylinder?

Upside down Horizontal Inclined Upright