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*
Description : Permissible wear of web & foot of rail due to corrosion is:- (a) 15 mm. (b) 1.5 mm.* (c) 0.5 mm. (d) 2.5 mm.
Last Answer : (b) 1.5 mm
Description : If digital DRT is calibrated for 300 mm longitudinal wave using 00 double crystal probe then 60kg rail ---------peak will appear at (i) 5.2 (ii) 5.7* (iii) 7.8 (iv) 8.6
Last Answer : ii) 5.7*
Description : In new Rail as well as second hand rails how much end bends of the rails in vertical are permitted when checked with one meter straight edge before welding? (i) +0.5mm, -0 mm in vertical * (ii) +0.2mm, -.3 mm in vertical (iii) +0.3mm, -2 mm in vertical (iv) 0 mm, +.5 mm in vertical
Last Answer : (i) +0.5mm, -0 mm in vertical *
Description : To take care of differential cooling rail ends of 72 UTS rails are lifted by? (i) 1 to 1.5 mm (ii) 1 to 2 mm (iii) 2 to 2.5 mm (iv) 3 to 4 mm *
Last Answer : iv) 3 to 4 mm *
Description : To take care of differential cooling rail ends of 90 UTS rails are lifted by? (i) 1 mm (ii) 2 mm (iii) 2 to 2.2 mm.* (iv) 1 to 2 mm
Last Answer : (iii) 2 to 2.2 mm.*
Description : In new Rail as well as second hand rails how much end bends of the rails in lateral direction are permitted when checked with one metre straight edge before welding? (i) ± 0.2 mm in lateral direction (ii) ± 0.3 mm in lateral direction (iii) ± 0.5 mm in latera
Last Answer : (iii) ± 0.5 mm in latera
Description : The minimum and maximum clearances of check rails at all BG level crossings shall be a) 51 to 57 mm* b) 44 to 48 mm c) 41 to 45 mm d) 55 to 70 mm
Last Answer : a) 51 to 57 mm*
Description : Length of guard rails to be bent so as to be brought together at the middle of the track.(L2) a) 3200 mm b) 4875 mm* c) 3655 mm d) None of the above
Last Answer : b) 4875 mm*
Description : On B.G. maximum clearances of check rails at a level crossing are (a) 51 mm (b) 57mm* (c) 65mm (d) 70mm
Last Answer : (b) 57mm*
Description : On Rajdhani routes testing frequency of rail testing for rail section of 60kg with annual GMT 80, will be. (i) 4 months (ii) 1 1⁄2 months (iii) 1 months* (iv) None of above.
Last Answer : (iii) 1 months*
Description : Min. breaking load of 60kg weld during transverse breaking load test is? (i) 110 MT (ii) 115 MT* (iii) 90 MT (iv) 120 MT
Last Answer : (ii) 115 MT*
Description : Which gauge is used to measure the height of rail at the time of aligning of rails for AT welding? (i) Height gauge.* (ii) Vertical gauge (iii) Horizontal gauge (iv) As decided by site supervisor
Last Answer : (iv) As decided by site supervisor
Description : The number of standard rails (13 m) for one km. BG section single line section is (a) 120 (b) 154* (c) 168 (d) 196
Last Answer : (b) 154*
Description : Permissible creep in track is m. 50 mm n. 100 mm o. 125 mm p. 150 mm.*
Last Answer : p. 150 mm.*
Description : Tilting of rails is done at a slope of a. 1 in 30 b. 1 in 25 c. 1 in 20* d. 1 in 15
Last Answer : c. 1 in 20*
Description : The diameter of hole for 20 dia rivet shall be a) 23 mm b) 18 mm c) 21.5 mm* d) 22 mm
Last Answer : c) 21.5 mm*
Description : Maximum vertical clearance (VC) for a slab/ girder bridges with discharge above 3000 cumecs is a) 300 mm b) 1500 mm c) 1800 mm* d) 600 mm
Last Answer : c) 1800 mm*
Description : Minimum vertical clearance (VC) for a slab/ girder bridges with discharge of 0-30 cumecs is a) 300 mm b) 1500 mm c) 1800 mm d) 600 mm*
Last Answer : d) 600 mm*
Description : The minimum vertical clearance in RUB in urban area shall be a) 5870 mm b) 6525 mm c) 5000 mm d) 5500 mm*
Last Answer : d) 5500 mm*
Description : The minimum vertical clearance in RUB in rural area shall be a) 5870 mm b) 6525 mm c) 5000 mm* d) 5500 mm
Last Answer : c) 5000 mm*
Description : The minimum vertical clearance above R.L. to bottom of ROB near the yard shall be a) 6525 mm* b) 5870 mm c) 2360 mm d) 6250 mm
Last Answer : a) 6525 mm*
Description : The minimum vertical clearance of foot over bridge gangway is a) 2100 mm b) 3660 mm c) 6525 mm d) 2710 mm
Last Answer : d) 2710 mm
Description : The vertical clearance of bottom most foot over bridge structure above rail level is a) 6525 mm* b) 3660 mm c) 5330 mm d) 6250 mm
Description : The increased gain of 10 dbs for single line & ‘D’ marks rails on double/multiple lines shall be employed for classification of defects. (i) defect in weld (ii) defects in rail. * (iii) for both defects on weld & rail. (iv) None of above.
Last Answer : ii) defects in rail. *
Description : Addition gain of 10 db is used for testing. (i) ‘D’ marked rails on single lines. (ii) ‘D’ marked rails on double lines. (iii) Testing on single line and ‘D’ marked rails on double/multiple lines section.* (iv) None of above.
Last Answer : (iii) Testing on single line and ‘D’ marked rails on double/multiple lines section.*
Description : Fish plated joint shall be avoided in check raisl and on the running rails within--------- from the end of level crossing a) 3 meters* b) 5 meters c) 10 meters d) 12 meters
Last Answer : a) 3 meters*
Description : Permissible speed of Turnout with 1 in 8.5 curved switches a. 40 kmph b. 25 kmph* c. 15 kmph d. 20 kmph
Last Answer : b. 25 kmph*
Description : Permissible speed of Turnout with 1 in 12 curved switches a. 40 kmph* b. 25 kmph c. 15 kmph d. 20 kmph
Last Answer : a. 40 kmph*
Description : Minm. deflection during transverse breaking load test is? (i) 5 mm (ii) 10 mm (iii) 15 mm* (iv) 20 mm
Last Answer : (iii) 15 mm*
Description : The depth of frog in a brick is a) 15 mm b) 10 mm c) 6. 25 mm* d) 3 mm
Last Answer : c) 6. 25 mm*
Description : The danger level should be marked with a bright red band …… wide centrally over a white band …… wide for a length of……… a) 5 cm, 10 cm, 60 cms* b) 10 cm, 20 cm, 60 cm c) 15 cm, 30 mm, 60 cm d) None of the above
Last Answer : a) 5 cm, 10 cm, 60 cms*
Description : From distribution main of 50 mm size, number of service pipes of 15 mm size can be taken off are ------ a) 6 b)10 c) 12 e):20*
Last Answer : e):20*
Description : From distribution main of 40 mm size , number of service pipe of 15 mm size can be taken off are--------- a) 3 b) 6 c) 10 d) 12*
Last Answer : d) 12*
Description : For rolling mark 60 kg/Sail/X/2010 the first testing in the field after initial testing of rails in rail manufacturing plant, will be done. (i) After test free period of 25%. (ii) After passage of every 40 ... period.* (iii) After passage of 200 GMT. (iv) On the basis of annual GMT of the section.
Last Answer : (ii) After passage of every 40 GMT traffic during test free period.*
Description : Rails used for A T Welding shall not normally be welded? (i) 20 years old . (ii) 30 years old (iii) 40 years old (iv) 50 years old*
Last Answer : iv) 50 years old*
Description : What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct
Last Answer : ) Oxygen –LPG & Compressed air petrol both*
Description : In case of Shot Welded Rails the fish plated joint should be avoided on Level Crossings within a distance of --------- from end of level crossing a) 3 meters b) 4 meters c) 5 meters d) 6 meters*
Last Answer : d) 6 meters*
Description : The load transferred from rails to web of girders is in a) deck type girder b) through type girder c) semi-through type girder* d) plate girder
Last Answer : c) semi-through type girder*
Description : The load transferred from rails to bottom flanges is in a) deck type girder b) through type girder* c) semi-through type girder d) plate girder
Last Answer : b) through type girder*
Description : Minimum clearance of check rails for B.G. at level crossing should be (a) 48mm (b) 57mm (c) 51mm* (d) 44mm
Last Answer : (c) 51mm*
Description : Check rails should normally be provided where the radius is …. M or less in B.G. (a) 150m (b) 200m (c) 218m* (d) 240m
Last Answer : (c) 218m*
Description : Maximum clearance of check rails at level crossing for B.G. should be (a) 48mm (b) 57mm* (c) 51mm (d) 44mm
Description : On B.G. maximum clearances of check rails at a level crossing are (a) 51mm ( b ) 57mm* (c) 65mm (d) 54mm
Last Answer : ( b ) 57mm*
Description : Check rails should normally be provided where the radius is ……. M or less in B.G. (a) 150m (b) 200m (c) 208m* (d) 225m
Last Answer : (c) 208m*
Description : What is the full form UTS of rails a. Ultimate technical Strength b. Ultimate tensile Strength* c. Upper Top surface d. None of above
Last Answer : b. Ultimate tensile Strength*
Description : Clear perpendicular distance between inner faces of two rails is a. Gauge of track* b. Inner gauge c. Wheel base d. Wheel gauge
Last Answer : a. Gauge of track*
Description : Normal Reaction time in SPW technique? (i) 17 ± 3 seconds. (ii) 15 ± 3 seconds (iii) 23 ± 3 seconds (iv) 20 ± 3 seconds*
Last Answer : (iv) 20 ± 3 seconds*
Description : The maximum permissible speed recommended for Indian Railways for 1 in 8 and half crossing is a)16 kmph* b) 20 kmph c)24 kmph
Last Answer : a)16 kmph*
Description : The maximum permissible size of aggregates to be used in casting the ribs of a slab, is (A) 5 mm (B) 7.5 mm (C) 10 mm (D) 15 mm
Last Answer : Answer: Option C