Instrumentation Level 1 Module 10 NCCER 3rd Edition Questions

OD.

Tubing is sized according to its _.

Black steel.

Plain steel that has not been galvanized is often referred to as _.

Stainless steel tubing.

ASTM Standard A213 is a standard for _.

Covered.

In order to avoid contamination and corrosion of tubing, it is recommended that the tubing be _.

Sharp pencil.

When marking tubing for cutting, it is best to use a _.

False.

When cutting tubing with a hacksaw, a blade pitch of 18 tai is recommended.

Saddle bend.

The type of tubing bend used to make room for other tubes to cross is called a _.

3/4"

Compression-type hand benders are generally used to bend tubing with an OD no greater than _.

1 1/4 full turns.

Beyond where a compression fitting is finger tight, it should be turned approximately _.

37º

The flare angle of a JIC flare fitting is _.

Welding.

In which of these processes is the base metal melted to fuse the tube and fitting?

Solvent-cementing.

The most common method used to join plastic tubing is _.

7.6 mm.

If tubing has an OD of 10mm and a wall thickness of 1.2mm, its ID is _.

Expands more than some other types of tubing.

One of the disadvantages of using copper tubing in some applications is that it _.

Chromium.

Stainless steel is a steel allow that contains at least 12 percent of _.

Tygon.

The type of poly tubing often referred to as surgical tubing is _.

Increases.

As the working temperature of a process fluid increases without room for expansion, the working pressure applied to the interior of the tubing _.

Ends should be crimped, plugged, or capped.

To prevent contamination of tubing while in storage, the tubing _.

True.

If soft tubing is unrolled and rolled back up again a number of times, it begins to harden.

Plastic tubing.

A v-shaped cutting tool is made especially for cutting _.

Cutter and wheel.

The manufacturer's instructions supplied with the tubing cutter specify the type and size of _.

The burrs are removed.

In order to leave the wall thickness as close to as normal as possible, turning should be reamed only until _.

Crossover bend.

A saddle bend is another name for a _.

Stretched.

Whenever tubing is bent, the metal on the back of the bend is _.

Flattened bend.

Using a lever bender of a different size than tubing will generally result in a _.

Plastic.

The inky type of tubing that may always be connected directly to fittings fabricated from a different material than the tubing itself is _.

Ferrule.

What part of the compression fitting must be harder than the tubing to allow the swaging effect to take place?

Nylon.

What type of ferrule do fittings used for poly or plastic tubing often have?

37º

The flare fitting generally used for low-pressure applications such as pneumatic systems has a taper angle of _.

Sleeves.

Which of these items is added to flare fittings for high-pressure applications?

Soldering.

Which of these joining methods is most likely to be used to join copper tubing for domestic water?

Apply cement to the tubing and fitting.

Which of these statements is the correct method for preparing a solvent-cement joint?