Hands-On AutoCAD ©2005

Chapter 11: Pipe Layout

Pipe Connections and Fittings

1.
The majority of pipe connections are made with
A)flanges.
B)pipe fittings.
C)sliding connectors.
D)self-locking connectors.
2.
The acronym NPT stands for
A)National Pipe, Tapered.
B)National Pipe Thread.
C)Normal Pipe Thread.
D)Nominal Pipe, Tapered.
3.
The standards recognize two types of pipe threads: straight and
A)sloped.
B)offset.
C)tapered.
D)curved.
4.
Threads produced on the outside of a piece of pipe are called
A)tapered threads.
B)straight threads.
C)OD threads.
D)external threads.
5.
A P&ID drawing is a
A)procedures and installation drawing.
B)pipe and instrumentation diagram.
C)process and instrumentation drawing.
D)process and installation diagram.
6.
Tapered threads have a taper of
A)1:12.
B)1:16.
C)1:18.
D)1:20.
7.
A fitting that connects two pipes placed at right angles to each other is a
A)90° elbow.
B)45° elbow.
C)lateral fitting.
D)90° connector.
8.
Pipes can be fastened together directly without the use of pipe fittings by
A)forging.
B)riveting.
C)welding.
D)casting.
9.
A "return bend" fitting changes the direction of the pipe
A)360°.
B)180°.
C)90°.
D)45°.
10.
Fittings are fastened to PVC pipe by
A)the use of threaded fittings.
B)the use of soldered fittings.
C)installing a friction-type fitting.
D)applying an adhesive.
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