RUPTURE
The purpose of snubbers is to _____.
WHAT IS
protect gauges from pressure surges
The FIRST thing to do before performing any line entry is _____.
WHAT IS
lock out and tag all electrical switches
If a drip leg is routed to a steam trap, what gets attached to the side of the drip leg?
WHAT IS
A pipeline and an isolation valve
The three general types of steam traps are mechanical, thermostatic, and _____.
WHAT IS
thermodynamic
Before installing a rupture disc, you MUST know the _____.
WHAT IS
direction of flow
Which of the following provides movement in all planes from a single joint and can rotate 360 degrees
to allow for the expansion and contraction of a piping system?
WHAT IS
Ball joint
Where should a strainer always be installed relative to a steam trap?
WHAT IS
Upstream
If a pipefitter needs to rinse tanks, treat water and waste, monitor condensate, and desalinate a unit,
which of the following would be used?
WHAT IS
Conductivity probe
WHAT TYPE OF RUPTURE DISC SHOULD be used when operating conditions are 70 percent or less of the rated
burst pressure of the disc and limited pressure cycling and temperature variations are present?
WHAT IS
Conventional rupture disc
Which type of in-line specialty routes steam through a series of tubes, inside a shell, where water
around the tubes absorbs heat from the steam?
WHAT IS
Heat exchanger desuperheater
What is the permanently installed cavity in a process pipe called, where a glass thermometer can be
inserted?
WHAT IS
A thermowell
What is the MOST commonly used invasive device for flow measurement?
WHAT IS
Orifice plates
To control liquid transfer from one storage area to another, the pipefitter would use a _____.
WHAT IS
flow pressure switch
Without cross-contamination, which of the following should be used to stop the flow in a pipeline and
change out the material being conveyed through a system?
WHAT IS
Bleed ring
Which of the following should be used to compensate for differences in the temperature of the fluid
being carried through a pipe and the surrounding air?
WHAT IS
Expansion joint
When at atmospheric pressure, what temperature produces steam?
WHAT IS
212°F
The MAIN causes of thermowell failures are mechanical failure, corrosion, erosion, and _____.
WHAT IS
vibration fatigue
If the live steam outlet is hotter than the condensate outlet, the steam trap _____.
WHAT IS
is functioning properly
For external readings, temperature-sensing tests use handheld _____.
WHAT IS
pyrometers
What keeps the disc closed in a thermodynamic disc steam trap?
WHAT IS
Flash steam