Intro to Piping and Piping Fittings

All classes of pipes of a given size have a) the same outside diameter b) the same inside diameter c) the same length d) the same expansion coefficient e) the same mass per metre run of the pipe

a

As a piping and pipe fitting material, cast steel is used a) extensively for fittings b) mainly for instrumentation and control piping c) for construction of welded pipe d) steam traps e) primarily for special applications

a

Forged steel is used primarily for a) pipe fittings b) sewer lines c) steam lines conveying super heated steam d) ash handling systems e) water treatment piping and valves

a

A grey cast iron fitting is identified by a) the letters G.C.I. b) not being marked on the fittings c) the letters G.C. d) the letters C.I. e) the letters G.C.I.F.

b

Copper and copper alloy piping and tubing is not used in power plants when a) pressure is a prime factor b) temperature is a prime factor c) instrumentation systems require tubing d) steam becomes corrosive e) chemicals are used in the applicable system

b

Piping made of copper and brass are called a) ferrous materials b) non-ferrous materials c) soft pipe d) bronze materials e) residential piping

b

Since cast iron has a high resistance to corrosion and abrasion, it is used for a) underground steam lines b) ash handling systems c) condensate lines d) blow-off piping e) high pressure service

b

Up to and including 304.8 mm pipe, the size of the pipe is expressed as a measure of a) circumference b) inside diameter c) outside diameter d) thickness of the wall e) outside radius

b

Combine the following gaskets with their use: 1. cork 2. asbestos rope 3. rubber 4. metal asbestos 5. high pressure steam 6. lubricating oil 7. cold water 8. flue gas ducts a) 1-7, 4-8, 3-6, 2-5 b) 1-5, 2-6, 3-7, 4-8 c) 1-6, 3-7, 4-5, 2-8 d) 1-8, 2-7, 3-6, 4-5 e) 1-8, 3-6, 2-7, 4-5

c

All markings on pipes and pipe fittings must indicate the following three minimum requirements: 1. material designation 2. inside diameter 3. manufacturer's trademark or name 4. flange type 5. service designation 6. national code colour a) 1, 2, 6 b) 2, 4, 5 c) 3, 4, 6 d) 1, 3, 5 e) 4, 5, 6

d

Relative to pipe and fittings, an anchor chair is used to a) install piping at considerable height b) allow for expansion and contraction of pipe c) anchor a slip type expansion joint d) support pipe e) hold a large fitting in a piping run

d

The vanstone type flange fits on the pipe a) in a fixed position b) by being welded onto the inside circumference of the flange c) by being threaded on the ends d) loosely e) by evenly spaced set screws

d