5-31.
Dark blue.
1. A
2. B
3. C
4. D
5-32.
What method is used to visually
determine whether the seat and the
disk of a valve make good contact?
1.
Seating-in
2.
Spotting-in
3.
Grinding-in
4.
Lapping
5-33.
What manual process should you use
to remove small valve seat and
disk irregularities?
1.
Seating-in
2.
Spotting-in
3.
Grinding-in
4.
Lapping
5-34.
Which of the following devices are
designed to drain condensate from
steam lines without allowing steam
to escape?
1.
Steam stops
2.
Condensate drain valves
3.
Filters and strainers
4.
Steam traps
5-35.
What device has the function of
retaining insoluble contaminants
by use of some porous medium?
1.
A strainer
2.
A filter
3.
A trap
4.
An element
5-36.
To determine the size of tubing,
which of the following
measurements is used?
5-37.
Resistance to corrosion and the
ability to withstand high pressure
and temperature are important
factors in choosing a material for
a piping system.
Which of the
following types of tubing should
be used?
1.
Steel alloy
2.
Copper alloy
3.
Aluminum alloy
4.
Brass alloy
5-38.
Flexible hose is identified by the
manufacturer’s part number and the
size or dash number.
Which of the
following is the best description
of the dash number?
1.
The outside diameter in
eighth-inch increments
2.
The inside diameter in
sixteenth-inch increments
3.
The outside circumference in
eighth-inch increments
4.
The inside circumference in
sixteenth-inch increments
5-39.
Gaskets in flange joints of a pipe
are used for what purpose?
1.
To allow for misalignment
2.
To allow for expansion
3.
To serve as a spacer
4.
To prevent leakage
5-40.
Packing material used for sealing
is placed in or on which of the
following areas?
1.
In the stuffing box
2.
On the outside of the stuffing
box
3.
In the revolving shaft
4.
On top of the valve stem
1.
The actual inside diameter
2.
The nominal outside diameter
3.
The nominal outside
circumference
4.
The nominal inside
circumference
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