Steamfitter Equipment and Tools Knowledge 3

Question 1

What is the function of a come-along (lever hoist) when installing heavy pipe sections overhead?

Accepted Answer

Providing mechanical advantage to lift or pull pipe into position

Answer

Cutting pipe to length

Answer

Testing hydrostatic pressure

Answer

Threading pipe ends

Question 2

A pipe saddle support is installed to:

Accepted Answer

Distribute the pipe's weight over a broader bearing surface and prevent point loading

Answer

Join two pipes of different diameters

Answer

Seal a leak in the pipe wall

Answer

Measure pipe deflection

Question 3

What tool is used to cut cast-iron soil pipe without using a saw?

Accepted Answer

Snap cutter (soil-pipe cutter)

Answer

Wheel cutter

Answer

Reciprocating saw only

Answer

Pipe nibbler

Question 4

In steam piping, expansion loops are formed using pipe bends rather than fittings because:

Accepted Answer

Bends have lower flow resistance and no threaded joints that could leak under thermal cycling

Answer

Fittings are not pressure-rated

Answer

Bends are cheaper than elbows

Answer

Expansion loops only work with copper pipe

Question 5

A pipe wrap-around (contour marker) tool is used to:

Accepted Answer

Scribe a straight cut line around the pipe circumference

Answer

Insulate pipe against heat loss

Answer

Apply pipe dope evenly to threads

Answer

Test pipe for corrosion

Question 6

Which measuring tool provides the most accurate inside diameter measurement of a large-bore pipe?

Accepted Answer

Telescoping gauge measured with a micrometer

Answer

Outside caliper transferred to a rule

Answer

Steel tape measure

Answer

Vernier scale on a pipe cutter

Question 7

When threading steel pipe, cutting oil is applied primarily to:

Accepted Answer

Lubricate the die and cool the cutting edges, extending die life and producing clean threads

Answer

Prevent rust on the pipe exterior

Answer

Seal the finished threads

Answer

Mark the start of the thread