Description : .Minimum earth cushion required over RCC Box is a) 300 mm b) 600 mm c) 0* d) 1000 mm
Last Answer : c) 0*
Description : n Girder and Slab Bridges Danger level should be marked below bottom of girders/slabs for water way is > 12.20 < 30.5 m a) 300 mm b) 600 mm* c) 500 mm d) 450 mm
Last Answer : b) 600 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 : In Girder and Slab Bridges Danger level should be marked below bottom of girders/slabs for water way is > 6.10 < 12.2 m a) 300 mm b) 600 mm c) 450 mm* d) 500 mm
Last Answer : c) 450 mm*
Description : Free board given in septic tank is about (a) 100 mm (b) 200 mm (c) 300 mm* (d) 500 mm
Last Answer : (c) 300 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 : 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 : Minimum depth of ballast cushion below the bottom of sleeper at the rail seat on BG group A route should be :- (a) 350 mm. (b) 250 mm. (c) 300 mm.* (d) 325 mm.
Last Answer : (c) 300 mm.*
Description : In case of LWR track, full ballast section as specified in LWR Manual should be provided up to ……….. from the bridge abutment. a) 200 m b) 50 m c) 300 m d) 100 m*
Last Answer : d) 100 m
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 : In a temporary signaling arrangements for a bridge work in BG section, speed board shall be placed in advance of 30 m from the a) C.L. of the bridge b) Termination Board c) Start of the bridge/work spot* d) Caution Board
Last Answer : c) Start of the bridge/work spot*
Description : .In a temporary signaling arrangements for a bridge work in BG section, caution board shall be placed in advance of ……. m from start of the bridge/ work spot. a) 30 m b) 1200 m* c) 677 m d) 1000 m
Last Answer : b) 1200 m*
Description : What is Pre Heating Temperature of rail ends in AT Welding? (i) 300 ± 20oC (ii) 400 ± 20oC (iii) 500 ± 20oC (iv) 600 ± 20oC *
Last Answer : (iv) 600 ± 20oC *
Description : The size of a plane table is (a) 750mm x 900 mm (b) 600mm x 750 mm* (c) 450mm x 600 mm
Last Answer : (b) 600mm x 750 mm*
Description : Clear distance between consecutive sleepers not to exceed on bridges in BG is a) 450 mm* b) 600 mm c) 510 mm d) 500 mm
Last Answer : a) 450 mm*
Description : The minimum cushion specified over an arch bridge is -- a) 0.5m b) 0.9m c) 1.0m* d) 1.2 m
Last Answer : c) 1.0m*
Description : The size of bridge timber required for the standard spans up to 18.3 m a) 250 x 150mm*. b) 250 x 180mm. c) 250 x 240mm d) 250 x 200mm
Last Answer : a) 250 x 150mm*.
Description : An important bridge is one which has total waterway of equal to or more than a) 1000 sq.metres.* b) 800 sq. metres c) 500 sq. metres d) 300 sq. metres
Last Answer : a) 1000 sq.metres.*
Description : What is the clear distance between two consecutive bridge Timbers or Girder bridge? (a) 450 mm (b) 510 mm* (c) 500 mm (d) 520 mm
Last Answer : (b) 510 mm*
Description : The embankment width in approach of the bridge shall be a) 5870 mm b) 6525 mm c) 6850 mm* d) 6000 mm
Last Answer : c) 6850 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
Last Answer : a) 6525 mm*
Description : The horizontal clearance of edge of foot over bridge structure from face of platform is a) 6525 mm b) 3660 mm* c) 5330 mm d) 5300 mm
Last Answer : b) 3660 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 : 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 : A sewer has a diameter of 300 mm and slop of 1 in 400. While running full it has a mean velocity of 0.7 m/s. If both the diameter and slope are doubled (to respectively be 600 mm and 1 in 200), what will be the changed mean velocity ... 's formula. (a) 1.59 m/s (b) 2.80 m/s (c) 0.90 m/s (d) 1.00 m/s
Last Answer : (a) 1.59 m/s
Description : If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, ... , the fineness modulus of the aggregate, is (A) 7.30 (B) 7.35 (C) 7.40 (D) 7.45
Last Answer : Answer: Option C
Description : Foot over bridge must be provided on the following type of stations as per minimum essential facility criteria (a) A, B, C, & D class station (b) A,B & C class station* (c) A, & B class station (d) Only A class station
Last Answer : b) A,B & C class station*
Description : How much rail ends are cleaned with Kerosene Oil and steel wire brush? (i) Minimum 100 mm both side (ii) Minimum 50 mm both side.* (iii) No need (iv) As decided by site supervisor
Last Answer : (ii) Minimum 50 mm both side.*
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 : 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 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
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 : Minimum depth of space for wheel flange form rail level in B.G. is …… mm (A) 35 (B) 38* (C) 42 (D) 45
Last Answer : (B) 38*
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 : 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 : .Minimum wing rail clearance opposing nose of crossing on Fan shaped turnout a. 45 mm b. 40 mm c. 41 mm* d. 44 mm
Last Answer : c. 41 mm*
Description : Minimum clearance between toe of Open switch and stock rail for new works a. 115 mm* b. 120 mm c. 95 mm d. 110 mm
Last Answer : a. 115 mm*
Description : .Minimum check rail clearance at Level crossing a. 45 mm b. 51 mm* c. 50 mm d. 57 mm
Last Answer : b. 51 mm*
Description : What is the minimum distance centre to centre of straight tracks for new works/alterations to existing works. a. 4265 mm. b.3660 mm. c.5300 mm.* d 4365 mm.
Last Answer : c.5300 mm.*
Description : The concrete under water minimum grade of cement recommended by IS code a) M 10 b) M 15 c) M 20* d) M 25
Last Answer : c) M 20*
Description : Surface preparation for Metallising the abrasives used for final cleaning is a) Chilled iron grit G.24, as defined in BS : 2451 b) Washed salt free angular silica sand of mesh size 12 to 30 with a minimum of 40% retained on a 20 mesh c) either (a) or (b) * d) d) neither (a) or (b)
Last Answer : c) either (a) or (b) *
Description : For a simply supported beam of span 15 m, the minimum effective depth to satisfy the vertical deflection limits should be (A) 600 mm (B) 750 mm (C) 900 mm (D) More than 1 m
Last Answer : Answer: Option B
Description : At locations where access to the new bridge construction is available by rail, the launching of girders upto 18.3 m which method is ideal. a) slew in slew out method b) gantry method c) Launching of girders with the help of a BFR*: d) Pantoon method
Last Answer : c) Launching of girders with the help of a
Description : Rail joints should be avoided within ……………of a bridge abutment. a) 6 m b) 3 m* c) 4 m d) 10 m
Last Answer : b) 3 m*
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 : 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 dia of thimble ? (i) 14-16 mm (ii) 16-18 mm* (iii) 18-20 mm (iv) None of the above
Last Answer : (ii) 16-18 mm*