Piping Handbook - 7th Edition Quiz

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Questions and Answers

What does NPS stand for in the context of pipe sizing?

Normal Pressure Size

Net Pipe Specification

National Pipe Standard

Nominal Pipe Size (correct)

What does a higher schedule number indicate about the pipe?

It has a larger inside diameter

It is less pressure resistant

It has a smaller outside diameter

It has a thicker wall (correct)

How do you determine the DN equivalent for sizes larger than NPS 80?

Multiply the NPS size designation by 25 (correct)

Multiply the NPS size designation by 15

Multiply the NPS size designation by 50

Subtract 25 from the NPS size designation

What does a schedule number followed by the letter S represent?

Stainless steel pipe scheduling Signup and view all the answers

In terms of wall thickness, what is true for NPS 10 and smaller schedule 40 pipes?

They have the same wall thickness as STD.WT pipes Signup and view all the answers

Which class has a PN designator of 150?

Class 150 Signup and view all the answers

What is primarily used to classify pipes in the industry?

Pressure-temperature rating system Signup and view all the answers

What does the schedule number indicate in the formula $1000 P/S$?

The allowable stress value Signup and view all the answers

What is the horizontal position groove weld characterized by?

Weld axis in a horizontal plane with face in a vertical plane. Signup and view all the answers

What is the main purpose of packing pipe with sand during hot bending?

To avoid wrinkling and excessive out-of-roundness. Signup and view all the answers

Which process in welding involves the branch piping connections while the main pipeline is operational?

Hot taps. Signup and view all the answers

What does the hydraulic radius measure in fluid mechanics?

Ratio of area of flowing fluid to the wetted perimeter. Signup and view all the answers

What does an impact test determine about materials?

Their behavior under high rates of loading. Signup and view all the answers

What is incomplete fusion in welding?

Fusion that does not fully melt the joint thickness. Signup and view all the answers

What is the main purpose of induction heating in welding?

To relieve stress in carbon- and alloy-steel welds. Signup and view all the answers

What does inspection in piping welding involve?

Verifying conformity to specified requirements. Signup and view all the answers

What is the main purpose of an expansion joint in piping systems?

To absorb thermal and/or terminal movement Signup and view all the answers

Which process is primarily involved in the fabrication of piping components?

Joining various components into integral pieces Signup and view all the answers

What characterizes erosion in piping systems?

Destruction of materials by moving fluids and solid particles Signup and view all the answers

Which statement accurately defines 'examination' in the context of piping systems?

All procedures for visual observation and nondestructive testing Signup and view all the answers

What is the purpose of extruded nozzles in piping?

To create tee outlets in pipes Signup and view all the answers

What does a 'fillet weld' refer to?

A weld of an approximately triangular cross section joining two surfaces at right angles Signup and view all the answers

Which factor primarily influences the erosion process in piping?

The presence of solid particles in moving fluids Signup and view all the answers

What does 'face of weld' refer to in welding terminology?

The exposed surface of a weld from which welding was done Signup and view all the answers

Study Notes

Piping Handbook - 7th Edition

Edited by Mohinder L. Nayyar, P.E., ASME Fellow.
Previous editions edited by Reno C. King and Sabin Crocker.
Published by McGraw-Hill.
ISBN 0-07-047106-1.

Chapter Content Overview

Part A: Piping Components and Fundamentals: Includes chapters on piping materials, codes and standards, manufacturing, fabrication, installation, bolted joints, various piping systems (prestressed concrete, grooved and pressfit), and valve selection. Specific authors are listed for each chapter.
Part B: Generic Design Considerations: Covers design documents, bases, layout, stress analysis, support systems, heat tracing, thermal insulation, fluid flow, and various types of piping linings (cement-mortar, concrete, epoxy, rubber, plastic). Specific authors are listed for each chapter.

Key Definitions and Concepts (from excerpts shown)

Piping Classification: Typically aligned with pressure-temperature ratings from ASME B16.5, corresponding to PN designators (Table A1.2 provides a class/PN comparison).
Pipe Size Designation: Uses Nominal Pipe Size (NPS) and Diameter Nominal (DN) designations. DN 50 is equivalent to NPS 2; for sizes above NPS 80, multiply NPS by 25 to obtain DN.
Pipe Wall Thickness: Defined by schedule numbers (5, 10, 20, etc.), indicating the approximate value of 1000P/S (P=service pressure, S=allowable stress in psi). Higher schedule numbers mean thicker pipes. Original designations (STD, XS, XXS) retained but correspond to specific schedule numbers depending on pipe size. Schedule numbers followed by "S" are per ASME B36.19M (primarily for stainless steel).
ASME Standards: ASME B36.19M and ASME B36.10M are referenced for pipe dimensions and schedules; B36.19M may not cover all sizes.
Additional Key Terms: Definitions provided for terms such as erection, erosion, examination, expansion joint, extruded nozzles/pipe, fabrication, face of weld, filler metal, fillet weld, fire hazard, flat-land bevel, horizontal-position groove weld, horizontal rolled position, hot bending, hot taps, hot working, hydraulic radius, impact test, imperfection, incomplete fusion, indication, induction heating, inspection, and instrument piping. Many of these definitions include clarifying figures (referenced but not shown in provided text).

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Description

Test your knowledge on the Piping Handbook, 7th Edition, focusing on the fundamentals of piping components, design considerations, and key concepts in the industry. This quiz covers chapters on piping materials, standards, and various systems, helping you understand essential piping practices and principles.