102i

Question 1

Are chlorofluorocarbon (CFC) aloud?

Answer 1

No

Question 2

Zeotropic are in what number series

Answer 2

400

Question 3

Azeotropic are in what number series

Answer 3

500

Question 4

R-12 is a

Answer 4

CFC

Question 5

What year did they ban HCFC

Answer 5

2020

Question 6

A zeotrope is a

Answer 6

Mixture of two or more refrigerants each with there own boiling point

Has Glide in saturated condition

Question 7

Zeotropes must be charged as a

Answer 7

Liquid

Question 8

An azeotrope is a mixture of

Answer 8

Two refrigerants that the distillation process cannot easily separate

Question 9

The Montreal protocol was established in

Answer 9

2000

Question 10

What oil do we use

Answer 10

Synthetic oil

Question 11

How long can oil be exposed to air for

Answer 11

5 minutes

Question 12

R-134 bottle color is

Answer 12

Light sky blue

Question 13

R-404A bottle color is

Answer 13

Orange

Question 14

Cylinders with flammable refrigerant have a what color band on top

Answer 14

Red

Question 15

The B52 mechanical refrigeration code says all refrigerant must be stored in a machinery room in containers. The max amount of weight you can have is

Answer 15

300lbs

Question 16

Refillable cylinders two weight capacity’s (WC) are

Answer 16

80% at 70°F
60% at 120°F

Question 17

Three basic methods of refrigerant recovery

Answer 17

Absorption recovery
Active recovery
Push pull recovery

Question 18

Liquid recovery is the

Answer 18

Quickest

Question 19

Vapour recovery is the

Answer 19

Slowest

Question 20

What weight is required for push pull recovery method

Answer 20

20lbs

Question 21

You must report leaks that exceed

Answer 21

10kg

Question 22

You can use what to detect ammonia leaks

Answer 22

Litmus paper and suphlur stick

Question 23

Tare weight is

Answer 23

Cylinder weight

Question 24

Water capacity is

Answer 24

Cylinder weight of water 60°F