Description : Corrosion in Steel girder bridges may be prevented by : a) Protective coatings by painting b) Metallising c) Use of epoxy based paints d) All the above*
Last Answer : d) All the above*
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 : The average thickness of Metallising is
Last Answer : 150micron
Description : The minimum thickness of Metallising is
Last Answer : 115 micron
Description : Greasing of bearings of Steel girder bridges is done once in years.
Last Answer : Three
Description : A bridge having super structure with “Single or duplicate girders with cross sleepers on top flanges” is classified as a) RSJ girder bridge b) Cross Girder c) Deck plate girder* d) Open web girder
Last Answer : c) Deck plate girder*
Description : What is the clear distance between two consecutive steel channel sleepers on Girder bridges? (a) 450 mm* (b) 510 mm (c) 500 mm (d) 460 mm
Last Answer : (a) 450 mm*
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 : Piano wire is used for measuring the a) Distortion b)Camber in PSC girder c)Both a & b* d)None of above
Last Answer : c)Both a & b*
Description : The depth of 19.81 mlong service girder is about……… a)1.67 m b)1.16 m* c)0.95 m d)1.52 m
Last Answer : b)1.16 m*
Description : Shallow type girder can be used in a) ROBs b) RUBs* c) FOBs
Last Answer : b) RUBs*
Description : Flood level gauge to be marked a) commencing from bed level to top b) commencing from bottom of girder towards bed level* c) commencing from Rail level d) commencing from Danger level
Last Answer : b) commencing from bottom of girder towards bed level*
Description : Length of bridge timber in BG a) outer to outer of girder plus 305mm b) 2440mm c) whichever is more in a) & b)* d) whichever is less in a) & b)
Last Answer : c) whichever is more in a) & b)*
Description : Renewal of slack rivets should be taken up in steel girder bridges: a) All rivets which are hand loose or which have lost 50% of their head by corrosion. b) All hammer loose rivets where corrosion has set ... . c) In end stiffeners when the percentage of hammer loose rivets is >30% d) All the above*
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 : 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 : When as small area of girder bridge should be painted when requiring immediate painting; known as a) patch painting* b) periodical through painting c) Any of the above d) None of the above
Last Answer : a) patch painting*
Description : Entire steel work of girder bridge should be painted at regular interval; known as a) patch painting b) periodical through painting* c) Any of the above d) None of the above
Last Answer : b) periodical through painting*
Description : Temporary arrangements for rebuilding of Railway bridges can be executed by providing a) Temporary girder b) Temporary diversion c) Any of the above* d) None of the above
Last Answer : c) Any of the above*
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 : Steel channel sleepers are provided in bridges with superstructure of a) PSC slab b) PSC girder c) Steel girder* d) RCC Box
Last Answer : c) Steel girder*
Description : Temporary staging for casting PSC Box Girder for a ROB over the Railway span shall be removed a) after hardening of concrete b) before hardening of concrete c) during concreting d) after stressing the cables
Last Answer : d) after stressing the cables
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 : In shallow type girders, the rail level shall be a) 25mm above the top flange of girder* b) near the bottom of the girder c) near the middle of the girder d) below the girder
Last Answer : a) 25mm above the top flange of girder*
Description : Super structure of a bridge includes a) Girder/Slab* b) Abutment c) Piers d) Bed block
Last Answer : a) Girder/Slab*
Description : Sub structure of a bridge does not include a) Abutment b) Girder/Slab* c) Piers d) Wing and Return walls
Last Answer : b) Girder/Slab*
Description : Depth of construction in a girder bridge means the depth from a) RL to HFL b) RL to top of bed block * c) RL to bottom of bed block d) RL to Bed level
Last Answer : b) RL to top of bed block *
Description : Camber in steel triangulated girder is provided to compensate for deflection a) Under live load and dead load* b) Under live load c) Under dead load d) None of the above
Last Answer : a) Under live load and dead load*
Description : The date of painting of steel work should be painted in white on the out side of the left girder a) of the 1st span only b) first span only but on all spans for Imp. Bridges* c) of the all spans d) None of the above
Last Answer : b) first span only but on all spans for Imp. Bridges*
Description : Initial inspection for PSC girders / Welded girder bridges as per IRBM 1998 a) Within one year of installation* b) Once in 3 years d) Once in 2 years d) Once in 5 years
Last Answer : a) Within one year of installation*
Description : For laying a Railway track the prepared surface ready to receive the ballast is called a) Sub ballast b) Formation* c) Blanket d) Cushion
Last Answer : b) Formation*
Description : A series of closely spaced contour lines represent a (a) Steep slope* (b) Gentle slope (c) Uniform slope (d) Plane surface
Last Answer : (a) Steep slope*
Description : 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
Last Answer : ii) 10 mm below the top surface of rail head.*
Description : 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
Last Answer : (i) 10 CM minimum both side of weld & on welded surface .*
Description : 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
Last Answer : (ii)To achieve good finish of the weld surface.*
Description : Torch is kept at height from top surface of rail head? (i) 30 to 55 mm (ii) 35 to 40 mm (iii) 40 to 45 mm
Last Answer : (iii) 40 to 45 mm
Description : Height of crucible is kept from top surface of mould? (i) 30 mm (ii) 40 mm (iii) 50 mm* (iv) 60 mm
Last Answer : (iii) 50 mm*
Description : Finished tolerance on 10 cm. long st. edge on surface of head shall be? (i) 0 to 0.1 mm (ii) 0 to 0.2 mm (iii) 0 to 0.4 mm* (iv) 0 to 0.3 mm
Last Answer : (iii) 0 to 0.4 mm*
Description : Finished tolerance on 1 Mt. long st. edge on surface of head shall be? (i) 0 to .1 mm (ii) 1 to 1.5 mm (iii) 0 mm (iv) 0 to 1 mm*
Last Answer : (iv) 0 to 1 mm*
Description : The maximum time lag between surface preparation and the application of primer coat shall not exceed a) 12 hours b) 24 hours* c) 48 hours d) 36 hours
Last Answer : b) 24 hours*
Description : What is the full form of OMS used for track recording a. Outer most Surface b. Oscillation Monitoring system* c. Only measuring system d. Official measurement system
Last Answer : b. Oscillation Monitoring system*
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 : Insulation of liquid surface can be achieved by __________ on top of its surface. (A) Floating hollow polypropylene spheres (B) Spraying alumina powder (C) Putting cement (D) None of these
Last Answer : (A) Floating hollow polypropylene spheres
Description : With the DPI method of inspection after the contact time has elapsed the dye should be removed by: a) Spraying the surface with the remover till all dye has gone then wipe with clean cloth b) Spraying with ... remover d) it doesn't matter how it is done as long as all traces of dye are removed
Last Answer : c) Wipe clean, using a clean cloth soaked in a solvent remover
Description : Indicate which of the statement is incorrect (a) The detritus tank is type of a grit chamber (b) In detritus tank, velocity of flow is further reduced (c) Grit chambers are provided in the sewage ... to remove the heavier inorganic matter as grit, sand etc. from the sewage (d) None of them*
Last Answer : (d) None of them*
Description : In AT welding process what is the role of asbestos powder & slag ? (i) To separate closing pin from portion* (ii) To hold the portion (iii) Both above are correct (iv) None of the above
Last Answer : (i) To separate closing pin from portion*
Description : In AT welding process what is the role of closing pin ? (i) To hold the portion before melt (ii) To hold the asbestos powder & slag (iii) Both above are correct* (iv) None of the above
Last Answer : (iii) Both above are correct*
Description : The maximum dry density to which a soil may be compacted to depends upon a) Soil water content * b) The process of compaction c) The voids ratio d) Is independent of the type of soil
Last Answer : a) Soil water content *