Gaskets, O-Rings and Packing (12108-14)

Gaskets are used to form a seal between _____

Two flat surfaces

Gaskets are usually specified for particular ranges of ______

temperature, pressure, and process compatibility

Fiberglass gaskets are treated to remain ______

soft and pliable

Which of the following gaskets is used for high-temperature air applications exceeding 1,500°F (815C)?

Ceramic

The type of gasket that may be selected for its ability to adjust for bolt relaxation is the _______

spiral-wound gasket

In a bolt-tightening sequence for an eight-bolt flange, the next bolt to be tightened after the one at the 12 o'clock position would be located at the _____

6 o'clock position

Of the following O-rings, which type would be chosen to resist brake fluid?

Silicone

The device that fits into a groove on a shaft or surface and protrudes slightly to form a seal when another surface is brought in contact with it is a(n) ______

o-ring

The PTFE particles in PTFE/synthetic fiber packing protect against ______

chemical actions

The material used to form a seal for valve stems and pump shafts is _____

Packing