B31.3 MULTIPLE CHOICE QUESTIONS

Question 1

1) Who has the overall responsibility for compliance with
B31.37
a) The engineer
b) The Owner
¢) The Inspector
d) ABSA

Answer 1

a) The engineer

Question 2

2) does not apply to piping for all fluids including raw,
intermediate, and finished chemicals
a) True
b) False

Answer 2

b) False

Question 3

3) Seal welds:
a) A joint joined by applying sealing compound
b) A weld intended to provide joint tightness against
leakage
c) Is the same as a full penetration groove weld
d) All of the above

Answer 3

b) A weld intended to provide joint tightness against
leakage

Question 4

4) What are the minimum qualification requirements for the
designer?
a) Completion of engineering degree plus 10 yrs.
Experience
b) Technologist plus 10 yrs. Experience
c) Fifteen yrs. as a welder and 2 yrs. of design experience
d) None of the above

Answer 4

b) Technologist plus 10 yrs. Experience

Question 5

5) Who is the inspector responsible for:
a) The engineer
b) B31.3
c)The owner
d) ABSA and ASTM

Answer 5

c)The owner

Question 6

6) Pneumatic testing is normally conducted at:
a) 1.25x design pressure
b) design pressure
c)1.75x design pressure
d) None of the above

Answer 6

b) design pressure

Question 7

7) Examination applies to:
a) QA functions
b) QC activities
Welding examiner
d) None of the above

Answer 7

b) QC activities
Welding examiner

Question 8

8) Fora type F, A106 grade A material what is the allowable
stress at a temperature of
a) 10.7 ksi
b) 9.3 ksi
c)15 ksi
d) 20 ksi

Answer 8

b) 9.3 ksi

Question 9

9) Pneumatic is safe and easy to implement:
a) True
b) False

Answer 9

b) False

Question 10

10) The designer is responsible and according to B31.3
a) To the inspector for all designs
b) Is responsible to the engineers
c)To the owner for assurances that the engineering
designs of piping complies with ABSA and ASME section
ix

Answer 10

c)To the owner for assurances that the engineering
designs of piping complies with ABSA and ASME section
ix

Question 11

B31.3 covers:
a) Steam
b) Toxic Fluids
c) Pressure vessels
d) Heat exchangers

Answer 11

a) Steam

Question 12

12) Annealing is a heat treatment process designed to harden y
metal. g
a) True |
b) False

Answer 12

b) False

Question 13

13) What is the face of a weld?
a) The opposite of the toe of the weld
b) Exposed surface of the weld on the side from which the
weld was done
c)None of the above
d) All of the above

Answer 13

b) Exposed surface of the weld on the side from which the
weld was done

Question 14

14) Faull fillet weld, is a weld whose size are:
a) Equal to the thicker member joined
b) Equal to the throat of a groove weld
c)Equal to the thinner member joined
d) All of the above

Answer 14

c)Equal to the thinner member joined

Question 15

15) Piping systems designed for internal gage pressure at or
above zero but less than 105kpa (15psi) provided the fluid is
non flammable and non toxic is referred to by the code as:
a) Class M fluid
b) Exclusion
©) Non toxic fluid
d) Bw pressure fluid

Answer 15

b) Exclusion

Question 16

16) Tack welds:
a) Must withstand 450 PSIG
b) Are welds that are the same as seal welds
c)A weld made to hold parts of a weldment in proper
alignment until the final welds are made

Answer 16

c)A weld made to hold parts of a weldment in proper
alignment until the final welds are made

Question 17

17) “Nominal” is a terminology used to indicate:
a) Exact measurement
b) A numerical identification of capacity of capacity and
rating
c)
d) None of the above

Answer 17

b) A numerical identification of capacity of capacity and
rating

Question 18

18) Category D fluid includes:
a) Fluid that is flammable and toxic {
b) Potable water exceeding minus 5 psi
c)BothA&B
d) The fluid is non flammable, non toxic

Answer 18

d) The fluid is non flammable, non toxic

Question 19

19) The owners inspector shall have:
a) Not less than 10 yrs. experience in design inspection of
industrial pressure piping
b) 5 yrs. as an owners inspector
©) 5 yrs. as a welder and 5 yrs. as a welding foreman
d) No specific qualification required

Answer 19

a) Not less than 10 yrs. experience in design inspection of
industrial pressure piping

Question 20

20) When hydrotesting which statement is correct:
a) Welded joint shall be insulated in order to prevent
leakage causing soil contamination
b) Welded joint should be left exposed in order to reveal
possible leakage
c)It’s up to Superintendent
d) None of the above

Answer 20

b) Welded joint should be left exposed in order to reveal
possible leakage

Question 21

21) When a weld defect is encountered the QC or inspector
shall:
a) Require the welder welds two additional samples
b) Require welder repairs sample in accordance to the code
c) Require defect is repaired by welder and in addition
examine satisfactory two additional samples
d) Repair defect and not require additional sampling

Answer 21

c) Require defect is repaired by welder and in addition
examine satisfactory two additional samples

Question 22

22) What pressure would you, as the inspector, test a piping
system designed to operate at 400psi
a) 800psig
b) 600psig
c)1000psig
d) 650psig

Answer 22

b) 600psig

Question 23

23) Normally design records shall be maintained:
a) 10 yrs.
b) 5 yrs.
c) 7yrs.
d) 20 yrs.

Answer 23

b) 5 yrs

Question 24

24) Per B31.3 piping systems are hydraulically tested at:
a) 1.1 times design pressure
b) 1.4 times design pressure
c)1.5 times design pressure
d) None of the above

Answer 24

c)1.5 times design pressure

Question 25

25) Which of the following do you agree with:
a) Piping distortion can be fixed by applying heat for joint
assembly
b) Any distortion to bring into alignment piping is
Prohibited, especially if it introduces detrimental strain
to piping compounds
c) Controlled distortion to bring piping into alignment is
sometimes allowed
e) Is allowed if the inspector agrees

Answer 25

b) Any distortion to bring into alignment piping is
Prohibited, especially if it introduces detrimental strain
to piping compounds

Question 26

26) What is the recommended pre-heat temperature for a P1
base metal < 1 inch with a specific min. tensile strength of
< 71ksi:
a)50f
b)100f
c)200f
d)800f

Answer 26

a)50*f

Question 27

27) The minimum test speciments required for impact testing
are:
a)5
b) 3
c) 2
d) None of the above

Answer 27

b) 3

Question 28

28) Normally the inspector may require:
a) 10% random x-ray examination of welded piping
b) 5% random x-ray examination of circumferential butt
welds
c) 20% x-ray examination
d) 100% x-ray examination

Answer 28

b) 5% random x-ray examination of circumferential butt
welds

Question 29

29) The pre-heat zone shall extend:
a) 2” beyond edge of weld
b) 1” beyond edge of weld
©) 3” beyond edge of weld
d) None of the above

Answer 29

b) 1” beyond edge of weld

Question 30

30) Seal welding
a) Can be done by a third year apprentice
b) Shall be done by a qualified welder
c) Shall cover 50% of all threads
d)

Answer 30

b) Shall be done by a qualified welder

Question 31

31) Who is responsible to maintain welder qualification
records?
a) The engineer
b) The inspector
The welder
d) The employer

Answer 31

d) The employer

Question 32

32) Seal welds primarily
a) Prevent leakage and should only be used on low pressure
piping
b) Prevents leakage and should only be used on low
pressure service
c) Prevents leakage of threaded joints and cannot be
considered as contributing any strength to the joint
e) None of the above

Answer 32

c) Prevents leakage of threaded joints and cannot be
considered as contributing any strength to the joint

Question 33

33) Normal fluid service:
a) Not covered by B31.3
b) Potable water service
©) A fluid penetrating to most piping covered by B31.3, and
not subject to the rules of category D, M and high
pressure fluid service

Answer 33

©) A fluid penetrating to most piping covered by B31.3, and
not subject to the rules of category D, M and high
pressure fluid service

Question 34

34) According to B31.3 a P1 material with a number 1, nominal
thickness of 1” requires a pre-heat temperature of:
a) None
b) 1000-1050 (deg f) holding time of 1 hr/in
©) 1100-1200(deg f) holding time of 1 hriin
d) 400-500(deg f) holding time of 2 hriin

Answer 34

©) 1100-1200(deg f) holding time of 1 hriin

Question 35

35) When preheating two material to be joined
a) The preheat criteria used is that of the thickest material
b) Use the thinnest material as a criteria
No specific criteria required
d) A or B whatever is more convenient

Answer 35

a) The preheat criteria used is that of the thickest material

Question 36

36) The longitudinal weld joint quality factor for single butt
weld (with or without filler metal) straight or spiral (as
required by listed specification or this code):
a) 0.75
b) 0.95
c) 0.80
d) 1.00

Answer 36

c) 0.80

Question 37

37) Design pressure in general:
a) Shall not be less than the pressure expected during
service
b) Can either be above or below maximum operating
Pressure
c)Aand B
d) None of the above3

Answer 37

b) Can either be above or below maximum operating
Pressure

Question 38

38) What pipe may be viewed for category D fluid:
a) A 1068
b) type F
c) A335
d) A570

Answer 38

b) type F

Question 39

39) Weld repair of process piping at Syncrude:
a) Doesn’t require an approved welding procedure
b) A defect shall be removed to sound metal
c) Use at 6010 DCEP
d) Use at 7018 low hydrogen welding rod

Answer 39

b) A defect shall be removed to sound metal

Question 40

40) A Slip-on flange shall be welded:
a) Welded on one side with a 1” fillet weld
b) Welded on the inside with a %” weld
©) Welded on both sides
d) All of the above

Answer 40

©) Welded on both sides

Question 41

41) Socket welds:
a) Should not be avoided in any service where severe
erosion may occur
b) Not be used as a replacement for seal welds
Should be used on high pressure piping only
d) None of the above

Answer 41

a) Should not be avoided in any service where severe
erosion may occur