Home / Tag Archives: Piping Design (page 5)

Tag Archives: Piping Design



It consists of bolts, full threaded stud bolts and nuts. Bolts have hexagonal or round head while studs are without heads. One stud with two nuts forms a set of fastener. Fasteners are used for flange joints in piping to retain flanges and gaskets. Threading is done on the studs and bolts by two methods. 1. Cut threads using cutting ... Read More »

Piping Design Engineer Interview Questions:- Part-4

pipingdiagram oilandgasclub

51. During fabrication you observed that one small crack has appeared on a fresh plate, what type of measure you will take to obtain desired quality with minimum wastage? First identify the exact length of crack by DP test. Drill on the end point to resist further crack. Remove the crack portion by cutting the strip. 52. What is the ... Read More »

Piping Design Engineer Interview Questions:- Part-3


1. What is the ASME code followed for design of piping systems in Process piping (Refineries & Chemical Industries)? A) B31.1 B) B31.3 C) B31.5 D) B31.9 Ans: (B) 2. What do you mean by following items? A) ISLB-400 B) ISMB-600 C) ISHB-350 D) ISMC-300 E) ISJB-150 F) ISLB-200 G) ISMB-450 H) ISWB-400 I) ISJC-200 J) ISLC-350 K) ISMC-250 A)Indian STD ... Read More »

Piping Codes and Standards

Piping codes and standards

The following codes and standards shall be used together with this standard specification for materials, design and dimensional requirements. American National Standard Institute (ANSI) American Society of Mechanical Engineers (ASME) ASME B 31.1 Power piping ASME B 31.3 Process Piping for Petroleum refineries, Chemical, Pharmaceutical, Textile, Paper, Semiconductor & Cryogenic plant ASME B 31.4 Piping generally used for transporting & ... Read More »

Piping Design Engineer Interview Questions:- Part-2

piping design engineer interview questions

51. What is regular pattern plug valve? Rectangular port, area almost equal to pipe bore, smooth transition from round body to rectangular port, for minimum pressure loss. 52. What are short pattern plug valve? Valves with face to face dimension of gate valve, as a alternative to gate valve. 53. What are ventury pattern plug valve? Change of section through ... Read More »

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