Description : The average thickness of Metallising is
Last Answer : 150micron
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 : Metallising is the process of spraying of …. on the surface prepared girder.
Last Answer : Zinc.. or ..Aluminium.
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 : What is the full form of GMT a. Gross Million Tonnes* b. Gross minimum thickness c. Gross Maximum thickness d. None of above
Last Answer : a. Gross Million Tonnes*
Description : Thickness of Lining/Charge is kept? (i) 20 mm. (ii) 25 mm* (iii) 30 mm (iv) As decided by the site supervisor
Last Answer : (ii) 25 mm*
Description : In case of compaction of soil by sheep foot roller maximum thickness of layer should not exceed buy more than -------------- centimeter of length of their teeth a) 5 centimeter* b) 4 centimeter c) 3 centimeter d) 2 centimeter
Last Answer : a) 5 centimeter*
Description : Elcometer is used to measure the ……….. a) cross level b) Gauge c) Thickness of paint* d) All the above
Last Answer : c) Thickness of paint*
Description : The condition will be called as thin flange, when the flange thickness becomes less the: (a) 10mm (b) 12mm (c) 16mm* (d) 15mm
Last Answer : (c) 16mm*
Description : As per IRCA rules, the rejection limits for wheel flange thickness is - (a) 38mm (b) 25.4mm (c) 16mm* (d) 20 mm
Description : Number of taps to be provided on ‘A’ category stations on each platform as per norms of minimum essential facilities are (a) 20 taps (b) 15 taps (c) 12 taps* (d) One taps for each bogie
Last Answer : (c) 12 taps*
Description : Latrines & urinals must be provided on these type of stations as per minimum essential facility criteria (a) A, B, C, D, E & F type station (b) A,B,C,D & E type station* (c) A,B,C & D type station (d) A, B & C type station
Last Answer : (b) A,B,C,D & E type station*
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 : For ‘B’ category stations as per minimum essential facility it is necessary to provide (a) High level platform (b) Medium level platform* (c) Rail level platform (d) All the above
Last Answer : (b) Medium level platform*
Description : A model stations on railways should have (a) Minimum essential facilities (b) Desirable facilities* (c) Recommended facilities (d) All the above
Last Answer : b) Desirable facilities*
Description : Numbers of taps on each platform of ‘C’ category station as per norms of minimum essential facility criteria are (a) 6* (b) 8 (c) 12 (d) 15
Last Answer : (a) 6*
Description : Numbers of taps on each platform of ‘B’ category station as per norms of minimum essential facility criteria are (a) 6 (b) 8 (c) 12* (d) 15
Last Answer : (c) 12*
Description : Numbers of taps on each platform of ‘A’ category station as per norms of minimum essential facility criteria are (a) 6 (b) 8 (c) 12 (d) 15*
Last Answer : d) 15*
Description : The minimum essential facility at each type of stations A to F consist of (a) Booking facility (b) Drinking Water (c) Waiting hall/shed (d) All the above*
Last Answer : (d) All the above*
Description : For achieving self-cleaning velocity, a minimum velocity of ---- mps. Is desirable for design peak flow (a) 0.6 mps (b) 0.8 mps* (c) 1.0 mps (d) 2.0 mps
Last Answer : b) 0.8 mps*
Description : eFor design of sewers for sullage, minimum velocity of ---- metres per second is taken. (a) 1.0 m sec* (b) 1.5 m/sec (c) 2.0 m/sec (d) 2.5 m/sec
Last Answer : (a) 1.0 m sec*
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 : 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.*
Description : What is the Shelf life of mould ? (i) 6 months minimum. (ii) 8 months minimum (iii) 9 months minimum* (iv) 12 months minimum
Last Answer : (iii) 9 months minimum*
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.*
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 : he minimum compressive strength of first class brick should be a) 75 kg per centimeter square b) 90 kg per centimeter square c) 100 kg per centimeter square* d) 120 kg per centimeter square
Last Answer : c) 100 kg per centimeter square*
Description : The minimum water content at which a reduction in water content will not cause a decrease in the volume of a soil mass is known as a) Plastic limit b) Shrinkage limit* c) Liquid limit d) Consistency limit
Last Answer : b) Shrinkage limit*
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 : Minimum length of check rail for square crossing shall be -------- more than the width of gate a) 1 meters b) 2 meters* c) 3 meters d) 5 meters
Last Answer : b) 2 meters*
Description : Minimum distance of duty hut from centre line of nearest track on BG is a) 2 meters b) 3 meters c) 4 meters d) 6 meters*
Last Answer : d) 6 meters*
Description : Minimum distance of gate post from centre line of nearest track on BG is a) 2 meters b) 3 meters* c) 4 meters d) 5 meters
Last Answer : b) 3 meters*
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 : Minimum length of steel channel sleeper in BG a) 2500mm b) 2440mm* c) 2400mm d) 2600mm
Last Answer : b) 2440mm*
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 minimum pitch of rivets of diameter ‘d’ in steel plates shall be a) 2 x d b) 3 x d c) 1.75 x d d) 2.5 x d*
Last Answer : d) 2.5 x d*
Description : The minimum edge distance for rivets of diameter ‘d’ in steel plates shall be a) 2 x d b) 3 x d c) 1.5 x d* d) 2.5 x d
Last Answer : c) 1.5 x d*
Description : For end bearing piles, the minimum spacing of piles of diameter ‘d’ shall be a) 3d b) 2d c) 2.5d* d) 5d
Last Answer : c) 2.5d*
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 : 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
Last Answer : a) 6525 mm*
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 : 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 Free Board required in a bridge is a) 1 m* b) 1.20 m c) 600 mm d) 300 mm
Last Answer : a) 1 m*
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 : Height gauges should be located at a minimum distance of….. from gate post. (a) 5 m (b) 7.5m (c) 8m* (d)10m
Last Answer : (c) 8m*
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*