8/12/2019 piping Eng test

1/2

DIMENSIONAL ACADEMY OF ENGINEERING

PIPING ENGINERRING

Time: 3 hours QUESTION PAPER I Total 100 Marks

Page 1 of 2

1. What is the ASME code followed for design of piping systems in Process pipings(Refineries & Chemical Industries)? - 2 Marks

i. B31.1 ii. B31.3 iii. B31.5 iv. B31.9

2. Write down the outside diameter of following pipe? - 2 Marks

i. 3 inch ii. 6 inch iii. 10 inch iv. 14 inch

3. What is the difference between Pipe and Tube? - 2 Marks

4. Normally where do we use the following? - 2 Marks

i. Eccentric reducers ii. Concentric reducers

5. What should be the radius of long radius elbow? - 2 Marks

6. Concentric reducer is used in pump suction. (Yes / No). Explain. - 4 Marks

7. What should be the radius of long radius elbow? - 2 Marks

8. What is the ASTM code for the following? - 2 Marks

i. CS pipe ii. CS fittings iii. CS flanges

9. What is the ANSI/ASME dimensional standard for steel flanges & fittings? - 2 Marks

i. B16.3 ii. B16.5 iii. B16.9 iv. B16.10

10. Which are the different types of Gaskets? - 2 Marks

11. Why do we provide Drip Leg in Steam Line? - 4 Marks

12. What is the normal upstream and downstream straight length of orificeflow meter? - 2 Marks

13. How do you calculate the pipe spacing? - 4 Marks

14. How do you calculate the width of Pipe rack? - 4 Marks

15. How do you calculate the thermal expansion in a pipe? - 2 Marks

16. What is the basic span of supports for 2/6/10/24 pipe. - 2 Marks

17. What is the purpose of expansion bellows? - 2 Marks

18. What are the Insulation materials used for piping systems . - 2 Marks

19. Which American institute standard does piping engineer refer(Write any 4)? - 2 Marks

Page 1 of 2 Total - 46 Marks

8/12/2019 piping Eng test

2/2

DIMENSIONAL ACADEMY OF ENGINEERING

PIPING ENGINERRING

Time: 3 hours QUESTION PAPER I Total 100 Marks

Page 2 of 2

20. What is the different ASME 31 code for pressure piping? - 2 Marks

i. Power piping. ii. Fuel Gas Piping. iii. Refrigeration Piping iv. Gas transmission& distribution piping system.

5. Which American standard is referred for selection of following piping element?

i. Flanges ii. Butt Welded fittings iii. Gasket iv. Socket & Threaded fittings

v. Valves vi. Pipes. - 10 Marks

21. How can flanges be classified based on Pressure- temperature ratings? - 3 Marks

22. How can flanges be classified based on facing? - 3 Marks

23. How can flanges be classified based on face finish? - 2 Marks

24. Which type of gasket is recommended for high temperature andhigh-pressure application? - 2 Marks

25. How the pipe fittings are classified based on end connections? - 5 Marks

26. What is the function of valves? - 2 Marks

27. How the valves are classified based on their function? - 5 Marks

28. What is Equipment layout design? & What are the essential data/ documentsrequired for preparation of equipment layout? - 5 Marks

29. How much space is kept in between column of pipe rack? - 2 Marks

30. How much Headroom clearance is required under the following typeof crossing? - 5 Marks

i. Structures/ pipe lines inside operating area. ii. From top of the Rail.

iii. Above crest of road for crane movement. iv. Above crest of road for Truckmovement.

v. Above crest of road between process units.

31. What are different types of pumps? - 2 Marks

32. How many types of centrifugal pump are available based on the Suctionand Discharge arrangement? - 2 Marks

33. What sort of drawing/ layout is required for piping layout? - 4 Marks

Page 2 of 2 Total - 54 Marks

Page 1 & 2 of 2 Total - 100 Marks