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MT L1 > SPECIFIC L 2 > Flashcards

SPECIFIC L 2 Flashcards

1
Q
  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
A

(c) 5000 to 10000

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2
Q
  1. 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
A

(a) 57ºC

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3
Q
  1. 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
A

(d) 200 mm

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4
Q

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

A

(c) 800 μW/cm2

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5
Q
  1. 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
A

(a) 300-450 A

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6
Q
  1. 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
A

(d) 4.5 kg

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7
Q

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

A

(d) 18 kg

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8
Q
  1. 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
A

(d) 3650 Å

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9
Q
  1. 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
A

(c) 900 μW/cm2

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10
Q
  1. 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
A

(e) 5 min

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11
Q
  1. 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
A

(d) 25 V

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12
Q
  1. 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
A

(c) 3

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13
Q
  1. 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
A

(c) 6 cSt

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14
Q
  1. 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
A

(b) 3 min

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15
Q
  1. 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
A

(b) 10.5 pH

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16
Q
  1. 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
A

(a) 0.5 sec

17
Q

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)

A

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

18
Q
  1. 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
A

(a) A light uniform coating is formed

19
Q
  1. 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
A

(d) None of the above

20
Q
  1. 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
A

(c) All of the above

21
Q
  1. 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)
A

(d) 4.5 kg (10 lb)

22
Q
  1. 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)
A

(d) 18 kg (40 lb)

23
Q

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

A

(a) 0.1 to 0.4 mL by volume

24
Q
  1. 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
A

(a) Prior to each shift

25
Q
  1. 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
A

(d) 1000 μW/cm2

26
Q
  1. 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)
A

(a) 25.4 mm (1 inch)

27
Q
  1. 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
A

(d) 315ºC

28
Q
  1. 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
A

(c) 0.02-0.05 mm

29
Q
  1. 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
A

(c) Leakage fields

30
Q
  1. 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)
A

(a) 3 × 10-4T (3 gauss)

31
Q
  1. 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
A

(d) 5 minutes

32
Q
  1. 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
33
Q
  1. 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)
A

(a) 1.59 mm (1/16 inches)

34
Q
  1. 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
35
Q
  1. 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
A

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

MT L1 (8 decks)

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