Description : The horizontal clearance between guard rail and running rail in BG track is a) 25 mm b) 250 ± 50 mm* c) 75 mm d) 200 ± 50 mm
Last Answer : b) 250 ± 50 mm*
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 : 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 : 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 : 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 : 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 : Vertical wear permissible for 60kg/90UTS. rails is:- (a) 23 mm. (b) 10 mm. (c) 13 mm.* (d) 15 mm.
Last Answer : (c) 13 mm.
Description : The level of guard rail in bridges shall not be lower than that of running rail by more than a) 25 mm* b) 55 mm c) 75 mm d) 65 mm
Last Answer : a) 25 mm*
Description : Facia boards of platform shelters shall have a minimum horizontal clearance of ……. from C.L. of track at a minimum height of 4.61m above RL. a) 2360 mm b) 3660 mm c) 3000 mm d) 1600 mm*
Last Answer : d) 1600 mm*
Description : The minimum track centres in B.G. double line is (a) 4500 mm (b) 4750 mm (c) 5000 mm (d) 5300 mm*
Last Answer : (d) 5300 mm*
Description : The minimum horizontal distances form centre of track to face of passenger platform coping for B.G. is ……. Mm (A) 1650 MM. (B) 1670 MM* (C)1676 MM (D) 1685 MM
Last Answer : (B) 1670 MM*
Description : The minimum centre to centre distance of a B.G. track in mid-section is ……….. mm (a) 4200 (b) 4265* (C) 4350 (d) 4000
Last Answer : (b) 4265*
Description : Track structure for CC+8 t+ 2 t loaded trains is:- (a) 52 Kg 90 UTS;PSC 1540 sleepers/ Km.; 250 mm ballast. (b) 60 Kg 90 UTS;PSC 1660 sleepers/ Km.; 300 mm ballast.* (c) 52 Kg 72 UTS;PSC 1540 sleepers/ Km.; 300 mm ballast. (d) 90 R;PSC 1340 sleepers/ Km.; 250 mm ballast.
Last Answer : b) 60 Kg 90 UTS;PSC 1660 sleepers/ Km.; 300 mm ballast.*
Description : Permissible creep in track is m. 50 mm n. 100 mm o. 125 mm p. 150 mm.*
Last Answer : p. 150 mm.*
Description : What is the limit of Unevenness of A category of track a. 0 to 10 mm b. 0 to 5 mm c. 0 to 6 mm* d. 0 to 8 mm
Last Answer : c. 0 to 6 mm
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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : In LWR track on BG a) Level crossing should be separated by providing SEJs b) Level crossing cannot be provided in LWR. c) Level crossing should not fall within the breathing length of LWR* d) Level crossing should be laid with rail free fastenings.
Last Answer : c) Level crossing should not fall within the breathing length of LWR*
Description : Formula for average service life of belt at a given speed is a) Life(hrs)= [ Belt length (mm)/ Total fatique rates]*100 b) Life(hrs)=[Total fatique rates / Belt length (mm)]*100 c) Life(hrs)=[Belt length (m)/ Total fatique rates]*100 d) None of the above
Last Answer : a) Life(hrs)= [ Belt length (mm)/ Total fatique rates]*100
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 : In cement pressure grouting G.I pipes of diameter …… and ……length, should be fixed in drilled holes a) 12 to 20 mm, 200 mm* b) 12 to 20 mm, 300 mm c) 12 to 25 mm, 500 mm d) 20 to 25 mm, 300 mm
Last Answer : a) 12 to 20 mm, 200 mm*
Description : The length of the countersunk head rivet shank is, when L = length of the rivet, G = length of grip in mm; D = Dia of rivet in mm a) L =G +0.5 D + 1mm for every 4 mm of grip or part thereof * b) b) L =G +0.5 D + 1mm c) L =G +0.5 D d) None of the above
Last Answer : a) L =G +0.5 D + 1mm for every 4 mm of grip or part thereof *
Description : he length of the snap head rivet shank is, when L = length of the rivet, G = length of grip in mm; D = Dia of rivet in mm a) L =G +1.5 D + 1mm for every 4 mm of grip or part thereof * b) b) L =G +0.5 D + 1mm c) L =G +0.5 D d) None of the above
Last Answer : a) L =G +1.5 D + 1mm for every 4 mm of grip or part thereof *
Description : Overall length of fan shaped 1 in 12 Turnout a. 39975 mm* b. 41004 mm c. 28613 mm d. None of above
Last Answer : a. 39975 mm*
Description : On Indian Railways standard length of rails for Meter Gauge track, is A. 33 ft (10.06 m) B. 36 ft (10.97 m) C. 39 ft (11.89 m) D. 42 ft (12.8 m)
Last Answer : C [39 ft (11.89 m)]
Description : On Indian Railways standard length of rails for Broad Gauge track, is A. 33 ft (10.06 m) B. 36 ft (10.97 m) C. 39 ft (11.89 m) D. 42 ft (12.8 m)
Last Answer : D [42 ft (12.8 m)] Explanation: Indian Railways is divided into 18 zones. Recently added South Coast Railway zones in Indian Railway (2019).
Description : fehe guard rail is provided in bridges to a) prevent derailment in bridges b) prevent falling of vehicles during derailment* c) have good riding d) guide the wheels
Last Answer : b) prevent falling of vehicles during derailment*
Description : Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew
Last Answer : (A) A smaller nut is tightened against main nut creating friction at the contacting surface
Description : Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew
Last Answer : (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut
Description : If is in kilometres, the curvature correction is (A) 58.2 L2 mm (B) 64.8 L2 mm (C) 74.8 L2 mm (D) 78.4 L2 mm
Last Answer : (D) 78.4 L2 mm
Description : The combined effect of curvature and refraction over a distance kilometres is (A) 67.2 L2 mm (B) 76.3 L2 mm (C) 64.5 L2 mm (D) None of these
Last Answer : (A) 67.2 L2 mm
Description : How many detonators are planted during protection of track for welding site ? (i) One (ii) Two (iii) Three* (iv) None of the above
Last Answer : iii) Three*