SPECIFIC L 2

Question 1

1. Demagnetization, ASTM E709-95 recommends a coil of ampere-turns:
   (a) 1000 to 3000
   (b) 3000 to 5000
   (c) 5000 to 10000
   (d) 10000 to 15000

Answer 1

(c) 5000 to 10000

Question 2

2. According to ASTM E709-95 when dry particles are used magnetic particle testing
   shall not be performed on the surface of parts whose temperature exceeds:
   (a) 57ºC
   (b) 79ºC
   (c) 158ºC
   (d) 136ºC

Answer 2

(a) 57ºC

Question 3

3. According to ASTM E709-95 in using prod technique, prod spacing shall not exceed:
   (a) 50 mm
   (b) 100 mm
   (c) 150 mm
   (d) 200 mm

Answer 3

(d) 200 mm

Question 4

According to ASTM E709-95, the UV intensity shall not be less than:
(a) 600 μW/cm2
(b) 700 μW/cm2
(c) 800 μW/cm2
(d) 900 μW/cm2

Answer 4

(c) 800 μW/cm2

Question 5

5. According to ASTM E709-95 in using prod technique on a 50 mm thickness plate
   with a prod spacing of 101 mm (4 inches), current shall be selected in the following
   range:
   (a) 300-450 A
   (b) 400-500 A
   (c) 500-625 A
   (d) 550-700 A

Answer 5

(a) 300-450 A

Question 6

6. According to ASMT E709-95 alternating current electromagnetic yokes should give a
   lifting force of at least:
   (a) 1.5 kg
   (b) 2.5 kg
   (c) 3.5 kg
   (d) 4.5 kg

Answer 6

(d) 4.5 kg

Question 7

According to ASTM E709-95 direct current electromagnetic yokes should have a
lifting force of at least:
(a) 15 kg
(b) 16 kg
(c) 17 kg
(d) 18 kg

Answer 7

(d) 18 kg

Question 8

8. According to ASTM E709-95 the UV light shall be centred on (1 Å = 10-10m):
   (a) 3000 Å
   (b) 3250 Å
   (c) 3400 Å
   (d) 3650 Å

Answer 8

(d) 3650 Å

Question 9

9. According to ASTM E709-95 when fluorescent particles are used, the UV light
   intensity shall be above:
   (a) 700 μW/cm2
   (b) 800 μW/cm2
   (c) 900 μW/cm2
   (d) 1000 μW/cm2

Answer 9

(c) 900 μW/cm2

Question 10

10. According to ASTM E709-95 when fluorescent particles are used, the bulb shall be
    warmed up prior to use for at least:
    (a) 1 min
    (b) 2 min
    (c) 3 min
    (d) 4 min
    (e) 5 min

Answer 10

(e) 5 min

Question 11

11. According to ASTM E709-95 with prod technique, the prods shall be tipped if the
    open circuit voltage is over:
    (a) 10 V
    (b) 15 V
    (c) 20 V
    (d) 25 V

Answer 11

(d) 25 V

Question 12

12. According to ASME Section VIII, a linear indication is defined as an indication in
    which the length is equal to or greater than the width by a factor of:
    (a) 1
    (b) 2
    (c) 3
    (d) 4

Answer 12

(c) 3

Question 13

13. According to ASTM E709-95 the viscosity limit (measured in centi Stokes) of the wet
    medium (conditioned water) should not exceed:
    (a) 1 cSt
    (b) 3 cSt
    (c) 6 cSt
    (d) 4 cSt

Answer 13

(c) 6 cSt

Question 14

14. According to ASTM E709-95 when applying fluorescent magnetic particles technique,
    the operator shall be in darkness area at least …………… prior to examination:
    (a) 2 min
    (b) 3 min
    (c) 4 min
    (d) 5 min

Answer 14

(b) 3 min

Question 15

15. According to ASTM E709-95 the alkalinity of conditioned water shall not exceed:
    (a) 10.0 pH
    (b) 10.5 pH
    (c) 11.0 pH
    (d) 11.5 pH

Answer 15

(b) 10.5 pH

Question 16

16. According to ASTM E709-95, with wet continuous magnetization technique, the
    duration of magnetization current is of the order of:
    (a) 0.5 sec
    (b) 1.0 sec
    (c) 1.5 sec
    (d) 2.0 sec

Answer 16

(a) 0.5 sec

Question 17

According to ASTM E709-95 in using prods having a spacing of 19 mm (3/4 inches)
and above, the magnetizing current shall be:
(a) From 90 to 110 A/25 mm (1 inch)
(b) From 100 to 125 A/25 mm (1 inch)
(c) From 90 to 120 A/ 25 mm (1 inch)
(d) From 100 to 200 A/25 mm (1 inch)

Answer 17

(b) From 100 to 125 A/25 mm (1 inch)

Question 18

18. According to ASTM E709-95 powder shall be applied upon the part to be tested in
    such a manner that:
    (a) A light uniform coating is formed
    (b) In excess coating
    (c) All of the above
    (d) None of the above

Answer 18

(a) A light uniform coating is formed

Question 19

19. According to ASTM E709-95 before turning off current and examination, dry powder
    in excess shall be:
    (a) Removed by a dry-air current
    (b) Kept in place
    (c) All of the above
    (d) None of the above

Answer 19

(d) None of the above

Question 20

20. According to ASTM E709-95 demagnetization can be performed by:
    (a) Decreasing alternating current
    (b) Reversing direct current
    (c) All of the above
    (d) None of the above

Answer 20

(c) All of the above

Question 21

21. According to ASTM E709-95, Table 3., alternating current electromagnetic yokes
    must have a lifting force of at least:
    (a) 3.0 kg (7 lb)
    (b) 3.5 kg (8 lb)
    (c) 4.0 kg (9 lb)
    (d) 4.5 kg (10 lb)

Answer 21

(d) 4.5 kg (10 lb)

Question 22

22. According to ASTM E709-95, Table 3., direct current electromagnetic yokes must
    have a lifting force of at least:
    (a) 15 kg (33 lb)
    (b) 16 kg (36 lb)
    (c) 17 kg (38 lb)
    (d) 18 kg (40 lb)

Answer 22

(d) 18 kg (40 lb)

Question 23

According to API, the acceptable particle concentration of wet particle solution for
fluorescent particles is:
(a) 0.1 to 0.4 mL by volume
(b) 0.1 to 0.5 mL by volume
(c) 0.1 to 0.6 mL by volume
(d) 0.1 to 0.7 mL by volume

Answer 23

(a) 0.1 to 0.4 mL by volume

Question 24

24. According to API, the particle concentration of wet particle solution must be checked:
    (a) Prior to each shift
    (b) Only after each shift
    (c) Only each week
    (d) Only each two weeks

Answer 24

(a) Prior to each shift

Question 25

25. According to ASTM E709-95 and API, the UV intensity measured at a minimum of 38 cm (15 inches) at least shall not be less than: (a) 700 μW/cm2 (b) 800 μW/cm2 (c) 900 μW/cm2 (d) 1000 μW/cm2

Answer 25

(d) 1000 μW/cm2

Question 26

26. According to ASTME 709-95 and API, in order to eliminate all contaminants, an appropriate cleaning shall be performed on all the surfaces to be examined and on a minimum of adjacent material: (a) 25.4 mm (1 inch) (b) 31.7 mm (5/4 inches) (c) 38.1 mm (1.5 inches) (d) 44.5 mm (7/4 inches)

Answer 26

(a) 25.4 mm (1 inch)

Question 27

27. According to ASTM E709-95 and API, the temperature of the dry particles can be usable up to: (a) 38ºC (b) 2000ºC (c) 49ºC (d) 315ºC

Answer 27

(d) 315ºC

Question 28

28. According to ASTM E709-95 and API, the thickness of non conductive coatings will not exceed: (a) 1-10 mm (b) 2-5 mm (c) 0.02-0.05 mm (d) 0.001-0.004 mm

Answer 28

(c) 0.02-0.05 mm

Question 29

29. According to ASTM E709-95 and API, relevant indications are produced by: (a) Greasy surfaces (b) Excessive background (c) Leakage fields (d) Rotating Eddy currents

Answer 29

(c) Leakage fields

Question 30

31. According to AST M E709-95 and API, after removing magnetization of parts after examination, the residual magnetism shall not exceed (1 gauss = 0.0001 tesla): (a) 3 × 10-4T (3 gauss) (b) 4 × 10-4T (4 gauss) (c) 6 × 10-4T (6 gauss) (d) 8 × 10-4T (8 gauss)

Answer 30

(a) 3 × 10-4T (3 gauss)

Question 31

30. According to ASTM E709-95 and API, when fluorescent particles are used, the UV bulb shall warm up prior to use for at least: (a) 1 minute (b) 2 minutes (c) 3 minutes (d) 5 minutes

Answer 31

(d) 5 minutes

Question 32

32. According to ASTM E709-95 and API, a linear indication is defined as an indication in which the length is equal to or greater than the width by a factor of: (a) 1 (b) 2 (c) 3 (d) 4

Answer 32

(c) 3

Question 33

33. According to API, a non- relevant indication is defined as an indication which in the major dimension is equal to, or less than: (a) 1.59 mm (1/16 inches) (b) 2.4 mm (3/32 inches) (c) 3.2 mm (1/18 inches) (d) 4 mm (5/32 inches)

Answer 33

(a) 1.59 mm (1/16 inches)

Question 34

34. According to ASME Section V, with fluorescent magnetic particles technique, the operator shall be in darkness area at least ……………. prior to examination: (a) 2 min (b) 3 min (c) 4 min (d) 5 min

Answer 34

(b) 3 min

Question 35

35. According to ASME Section VIII Div 1, Appendix 6, on pressure containing welds whose depth is greater than 15.8 mm (5/8 inches), which of the following indications is unacceptable: (a) Rounded relevant indication with a major dimension less than 3.2 mm (1/8 inches) (b) Rounded relevant indication with a major dimension less than 3.2 mm (1/8 inches) (c) Rounded relevant indication with a major dimension greater than 4.8 mm (3/16 inches) (d) None of the above

Answer 35

(c) Rounded relevant indication with a major dimension greater than 4.8 mm (3/16 inches)