Deck 6: Tubing and Piping Tools

Question 1

__________ is the process by which a 45-degree angle is formed on the end of a tubing section.

A) Blocking
B) Flaring
C) Reaming
D) Swaging

Answer 1

B

Question 2

Steel piping material should be secured in a __________ while it is being cut.

A) clamp
B) collar
C) cuff
D) vise

Answer 2

D

Question 3

The term "hard drawn tubing" is used to describe __________ pipe.

A) flexible
B) galvanized
C) narrow
D) rigid

Answer 3

D

Question 4

The oxy-acetylene torch kit is often preferred by technicians who braze __________.

A) flexible pipes
B) large diameter pipes
C) rigid pipes
D) small diameter pipes

Question 5

The tubing cutter is the preferred method for cutting refrigeration tubing because __________.

Question 6

The tubing cutter uses __________.

A) a reamer and a square cutting blade
B) a set of rollers and a square cutting blade
C) a set of rollers and a round cutting blade
D) a set of reamers and a round cutting blade

Question 7

List two common types of tubing benders.

Question 8

Once soldering or brazing has been completed, the joints must be inspected for leaks prior to system pressurization; an inspection __________ is helpful in this process.

A) magnifier
B) maker
C) microscope
D) mirror

Question 9

The lever bender is a mechanical device that enables the user to make __________ in tubing.

A) gentle curves
B) sharp cuts
C) precise angles
D) tight seals

Question 10

The __________ is the most popular heat source used by air conditioning, heating and refrigeration technicians.

A) air-acetylene torch
B) MAPP^TM gas torch
C) propane gas torch
D) oxy-acetylene Torch

Question 11

The air-acetylene torch provides flames that are in the __________ range.

A) 3600 ° F
B) 5300 ° F
C) 5600 ° F
D) 6600 ° F

Question 12

Soft drawn tubing refers to materials that are typically __________.

A) difficult to bend
B) flexible
C) narrow
D) rigid

Question 13

When soldering or brazing, the __________ torch is a popular choice because the kit is small, lightweight and easy to maneuver.

A) air-acetylene
B) oxy-acetylene
C) MAPP^TM
D) propane

Question 14

A __________ is a tool that is used to remove burrs from a cut section of tubing.

A) flaring block
B) flaring yoke
C) reamer
D) swaging tool

Question 15

The propane torch produces a flame that is in the 3600 ° F range and is best used for

A) brazing
B) soldering
C) soldering and brazing
D) neither soldering nor brazing

Question 16

__________ is the process of expanding the end of a tubing section so that another section of same size tubing can be inserted into it.

A) Enlarging
B) Flaring
C) Reaming
D) Swaging

Question 17

Steel pipe is coated with zinc to resist rusting and, when coated, is referred to as __________ steel pipe.

A) amalgamated
B) galvanized
C) glazed
D) layered

Question 18

Matches and cigarette lighters should __________ be used to light torches.

A) always
B) never
C) often
D) sometimes

Question 19

__________ are the lines through which sealed systems are pressurized, leak tested and charged.

A) Pincher tubes
B) Pinch-off tubes
C) Precision tubes
D) Process tubes

Question 20

The flame produced by MAPP^TM (methylacetylene-propadiene) is at a temperature of about __________.

A) 3600 ° F
B) 5300 ° F
C) 5600 ° F
D) 6600 ° F

Question 21

Explain the function of the steel pipe reamer and how the device operates.

Question 22

List four different substances that can be used in conjunction with the soldering and brazing processes.

Question 23

The tubing shear cuts plastic tubing, small PVC pipe, and other synthetic hoses that are not wire-reinforced. Explain why the tubing shear is preferable to the hacksaw in this process.

Question 24

Press-type fittings are becoming popular for non-refrigerant carrying applications as well as other low pressure plumbing applications. The crimping tool is used to __________.

Question 25

Typically, two wrenches are used to create a tight connection between a pipe section and a fitting. One wrench holds the pipe steady, while the other __________.

Question 26

The heat guard, a device that clips onto a torch tip, serves two purposes. List these two purposes.

Question 27

Explain the difference between soldering and brazing.

Question 28

Explain the function of pipe threading die heads.