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 »
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 »
1. What are responsibilities of equipment inspector as per schedule “Q”? Knowledge about the ASME code, perform all type of inspection, using of instrument like caliper, micrometer, pit gauge etc. 2. TRUE or FALSE: After stress-reliving operation on vessels has been completed, major repair welding is permitted with the authorized inspector concurrence? False 3. Name the 3 type of pump? ... Read More »
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 »
1. What are the steps in selection of valve? What to handle, liquid, gas or powder, fluid nature, function, construction material, disc type, stem type, how to operate, bonnet type, body ends, delivery time, cost, warranty. 2. What are functions of valves? Isolation, regulation, non-return and special purposes. 3. What are isolating valves? Gate, ball, plug, piston, diaphragm, butterfly, pinch. ... Read More »
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