Tandem rig test with 450 probe for AT weld detects. (i) Horizontal longitudinal defect in weld. (ii) Vertical oriented defect in AT weld.* (iii) Transverse defect in AT weld. (iv) Defect in flange of AT welds.

Tandem rig test with 450 probe for AT weld detects.
(i) Horizontal longitudinal defect in weld.
(ii) Vertical oriented defect in AT weld.*
(iii) Transverse defect in AT weld.
(iv) Defect in flange of AT welds.
by

1 Answer

Answer :

(ii) Vertical oriented defect in AT weld.*
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Defect of cracks in weld is mainly due to? (i) Early opening of mould.* (ii) Early trimming of weld (iii) Early grinding of weld (iv) None of above

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If code of a fracture is OFW-422 then it means. (i) AT welding with transverse crack. (ii) Flash butt welding with transverse crack. (iii) At welding with horizontal crack.* (iv) None of the above.

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Minm. deflection during transverse breaking load test is? (i) 5 mm (ii) 10 mm (iii) 15 mm* (iv) 20 mm

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Transverse fillet welds are under (i) Bending and shear stresses (ii)Compressive and torsion shear stresses (iii)Tensile and compressive stresses (iv)None

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DFWR weld shall be replaced. (i) Within 2 months of detection. (ii) Within 1 year of detection. (iii) Within 3 months of detection.* (iv) after 3 days of detection.

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Marking of DFWO weld is. (i) Two red point circle on both faces of weld.* (ii) Two red point cross on both faces of weld. (iii) One red point circle on both faces of weld. (iv) None of the above.

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What is the testing frequency of new AT weld ? (i) Just after the welding (ii) After 7 days of welding (iii) With in the one month of welding* (iv) None of the above

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Till USFD testing of new AT weld what is criteria for joggling ? (i) Joggling with two far end bold (ii) Joggling with two tight clamps* (iii) Leave without joggling till its testing (iv) None of the above

Description : Till USFD testing of new AT weld what is criteria for joggling ? (i) Joggling with two far end bold (ii) Joggling with two tight clamps* (iii) Leave without joggling till its testing (iv) None of the above

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In how many time final grinding should be done of new AT weld ? (i) Just after the welding (ii) After 8 hrs of welding (iii) With in 24 hrs* (iv) None of the above

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In how many time rough riding should be done of new AT weld ? (i) Just after the welding* (ii) After 8 hrs of welding (iii) After 24 hrs (iv) None of the above

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Last Answer : i) Just after the welding*

New AT weld should be entered in TMS by ? (i) Sectional JE/SSE* (ii) Incharge SSE (iii) Welder (iv) None of the above

Description : New AT weld should be entered in TMS by ? (i) Sectional JE/SSE* (ii) Incharge SSE (iii) Welder (iv) None of the above

Last Answer : (i) Sectional JE/SSE*

Weather date of welding is marked on weld? (i) Yes (ii) As decided by the site supervisor (iii) No* (iv) None of the above

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Marking on weld should be done (i) On centre of the rail head (ii) 10 mm below the top surface of rail head.* (iii) 10 mm above the bottom surface of rail head. (iv) None of the above

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Last Answer : ii) 10 mm below the top surface of rail head.*

Marking on weld should be done which side? (i) Non gauge face side of A.T. weld * (ii) Gauge face side of A.T. weld (iii) On web of non gauge face side of A.T. weld (iv) On web of gauge face side of A.T. weld

Description : Marking on weld should be done which side? (i) Non gauge face side of A.T. weld * (ii) Gauge face side of A.T. weld (iii) On web of non gauge face side of A.T. weld (iv) On web of gauge face side of A.T. weld

Last Answer : (i) Non gauge face side of A.T. weld

Painting of weld is done up to (i) 10 CM minimum both side of weld & on welded surface .* (ii) 15 CM minimum both side of weld & on welded surface (iii) 20 CM minimum both side of weld & on welded surface (iv) None of the above

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What is the time of removal the tensor from the newly executed A T Weld? (i) 15 minutes after pouring. (ii) 20 minutes after pouring* (iii) 25 minutes after pouring. (iv) 30 minutes after pouring.

Description : What is the time of removal the tensor from the newly executed A T Weld? (i) 15 minutes after pouring. (ii) 20 minutes after pouring* (iii) 25 minutes after pouring. (iv) 30 minutes after pouring.

Last Answer : (ii) 20 minutes after pouring*

Full form of SPW? (i) Special pre heated weld (ii) Short preheated weld.* (iii) Short post heated weld (iv) None of above

Description : Full form of SPW? (i) Special pre heated weld (ii) Short preheated weld.* (iii) Short post heated weld (iv) None of above

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How many nos. of sleepers should be loosened either side of the proposed weld? (i) 3 sleepers (ii) 5 sleepers.* (iii) 2 sleepers (iv) 4 sleepers

Description : How many nos. of sleepers should be loosened either side of the proposed weld? (i) 3 sleepers (ii) 5 sleepers.* (iii) 2 sleepers (iv) 4 sleepers

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After AT Welding First train is to be passed after ? (i) 20 Minutes from pouring of weld metal. (ii) 35 Minutes from pouring of weld metal. (iii) 30 Minutes from pouring of weld metal.* (iv) 25 Minutes from pouring of weld metal.

Description : After AT Welding First train is to be passed after ? (i) 20 Minutes from pouring of weld metal. (ii) 35 Minutes from pouring of weld metal. (iii) 30 Minutes from pouring of weld metal.* (iv) 25 Minutes from pouring of weld metal.

Last Answer : (iii) 30 Minutes from pouring of weld metal.*

Minimum traffic block required for execution of AT Weld ? (i) 70 minutes (ii) 70-75 minute.* (iii) 60 mints (iv) 1 hrs and 30 mints

Description : Minimum traffic block required for execution of AT Weld ? (i) 70 minutes (ii) 70-75 minute.* (iii) 60 mints (iv) 1 hrs and 30 mints

Last Answer : (ii) 70-75 minute.*

hat is the minimum distance between AT Weld and other joint exist in track? (i) 2 Mt. (ii) 3 Mt. (iii) 4 Mt.* (iv) 4.5 Mt.

Description : hat is the minimum distance between AT Weld and other joint exist in track? (i) 2 Mt. (ii) 3 Mt. (iii) 4 Mt.* (iv) 4.5 Mt.

Last Answer : (iii) 4 Mt.*

Late tapping will cause defect of? (i) Lack of fusion (Heat losses)* (ii) Piping defect (iii) kidney defect (iv) All above are correct

Description : Late tapping will cause defect of? (i) Lack of fusion (Heat losses)* (ii) Piping defect (iii) kidney defect (iv) All above are correct

Last Answer : (i) Lack of fusion (Heat losses)*

Late tapping will cause defect of? (i) Lack of fusion (Heat losses)* (ii) Piping defect (iii) Half moon defect (iv) None of above

Description : Late tapping will cause defect of? (i) Lack of fusion (Heat losses)* (ii) Piping defect (iii) Half moon defect (iv) None of above

Last Answer : (i) Lack of fusion (Heat losses)*

Defect of lack of fusion is mainly due to? (i) Improper heating.* (ii) Improper Gap (iii) Improper grinding (iv) None of above

Description : Defect of lack of fusion is mainly due to? (i) Improper heating.* (ii) Improper Gap (iii) Improper grinding (iv) None of above

Last Answer : (i) Improper heating.*

Defect of short of metal is mainly due to? (i) Less gap (ii) Excessive gap* (iii) Less weight of position (iv) None of above

Description : Defect of short of metal is mainly due to? (i) Less gap (ii) Excessive gap* (iii) Less weight of position (iv) None of above

Last Answer : (ii) Excessive gap*

Defect of Blow holes is due to? (i) Slag (ii) Moisture* (iii) Lack of heating (iv) Extra heating

Description : Defect of Blow holes is due to? (i) Slag (ii) Moisture* (iii) Lack of heating (iv) Extra heating

Last Answer : (ii) Moisture*

Early tapping will cause defect of? (i) No defect (ii) Inclusion of slag* (iii) Inclusion of aluminium (iv) Inclusion of ferrou

Description : Early tapping will cause defect of? (i) No defect (ii) Inclusion of slag* (iii) Inclusion of aluminium (iv) Inclusion of ferrou

Last Answer : (ii) Inclusion of slag*

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Description : Area under tension in a single transverse fillet lap weld is (i)0.707 tl (ii) 0.807 tl (iii) 400 tl (iv)None

Last Answer : (i)0.707 tl

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Description : Transverse fillet welds are under (i) Shear stress (ii) Compressive stress (iii) Tensile stress

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Last Answer : (i) +0.5mm, -0 mm in vertical *

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Description : Minimum permissible vertical wear on nose of a 52 kg CMS crossing on Rajdhani route is i) 6mm ii) 8mm* iii) 10mm iv) 12 mm

Last Answer : ii) 8mm*

What is the function of Zircon wash? (i) To maintain good quality of weld (ii)To achieve good finish of the weld surface.* (ii) Both above are correct (iv) Both are incorrect

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