Tpc 346 Flashcards
High pressure water is carried in what type of tubing?
Stainless steel tubing
A fitting that works by compressing around the tubing and biting into its outer surface to make a seal is called a?
Flare less fitting
Cutting, flaring, and bending can be difficult with hard temper tubing. Tubing that has been fully annealed to a softer temper is…
Much easier to work with
When using a tubing cutter what should rotate?
The cutter should rotate and the tubing should not
What is the reference for all tubing measurements?
The centerline
What is the tensile strength of a tube made up of?
It is based on the material tubing and the wall thickness
An increase in the operating temperature of a tubing system does what to the strength of the tubing material?
Reduces the strength of
Flared fittings can be used for temperature ranges of ________ and is used to handle ________ liquids and gases.
-65 to 250 degrees Fahrenheit
Flammable
What is the first step in installing any flared fitting?
Sliding the nut over the tube before flaring the tube end
The most common cause of leaks in a tubing system is?
A loose or improperly made fitting connection
What is the most frequently used hydraulic fluid?
Oil
What device is commonly used to keep line pressures from building up to the dangerous points?
Relief valve
What fittings do you use with copper tubing
Brass fittings
What is the most common cause for a noisy pump?
Insufficient fluid supply
With low or fluctuating pressure what should you check for?
Contaminated fluid
What type of hose can carry saturated steam at pressures of up to 150 psi
The multipurpose industrial hose
A shaft that serves to support a fitting during assembly is a?
Mandrel
What kind of fittings are reusable?
Threaded fittings
L = A
—— X 2piB
360
5.58
How do you use water to preform a hydrostatic test?
Test it with water at 150% of the working pressure of the hose for one minute
The most important dimension of a gasket, from a total performance standpoint is its?
Thickness
What does a profilometer read in?
Rms
What is the measurement of waviness measured in?
Thousandths of an inch
Coatings are used in some gasket applications to…
Reinforce the joint seal and to keep the gasket from creeping under load
TFE can handle pressures of up to _____ and temperatures of up to _____
200 psi
250 degrees Fahrenheit
