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*

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*
by

1 Answer

Answer :

d) All the above*
by

Related questions

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 in between the head and the plate. c) In end stiffeners when the percentage of hammer loose rivets is >30% d) All the above*

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*

Last Answer : d) All the above*

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

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*

Metallising is the process of spraying of …. on the surface prepared girder.

Description : Metallising is the process of spraying of …. on the surface prepared girder.

Last Answer : Zinc.. or ..Aluminium.

Greasing of bearings of Steel girder bridges is done once in years.

Description : Greasing of bearings of Steel girder bridges is done once in years.

Last Answer : Three

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

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*

Steel channel sleepers are provided in bridges with superstructure of a) PSC slab b) PSC girder c) Steel girder* d) RCC Box

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*

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

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*

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

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*

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

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*

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

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*

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

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*

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*

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*

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

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*

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

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*

At FOBs in electrified section the electrocution by live OHE wires is prevented by providing a) smoke gaurds b) Roofing c) Bottom lateral bracings d) protective screens*

Description : At FOBs in electrified section the electrocution by live OHE wires is prevented by providing a) smoke gaurds b) Roofing c) Bottom lateral bracings d) protective screens*

Last Answer : d) protective screens*

The average thickness of Metallising is

Description : The average thickness of Metallising is

Last Answer : 150micron

The minimum thickness of Metallising is

Description : The minimum thickness of Metallising is

Last Answer : 115 micron

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)

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) *

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

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*

Epoxy resin (A) Is a good adhesive (B) Is an elastomer (C) Cannot be used for surface coatings (D) Is a polyester

Description : Epoxy resin (A) Is a good adhesive (B) Is an elastomer (C) Cannot be used for surface coatings (D) Is a polyester

Last Answer : (A) Is a good adhesive

If the SSE/SE/JE/ Br. working in the section is not readily available, another SSE/SE/JE may be authorised by …………….. to witness payment on the section. a) DEN b) SSE/SE/JE/ c) AEN (Bridges)* d) Office clerk

Description : If the SSE/SE/JE/ Br. working in the section is not readily available, another SSE/SE/JE may be authorised by …………….. to witness payment on the section. a) DEN b) SSE/SE/JE/ c) AEN (Bridges)* d) Office clerk

Last Answer : c) AEN (Bridges)

Investigation for important bridges may be carried out in which stage a) Technical feasibility study (reconnaissance survey) b) Techno-economic feasibility study (preliminary engineering survey) c) Detailed survey and project report stage (final location survey) d) All the above *

Description : Investigation for important bridges may be carried out in which stage a) Technical feasibility study (reconnaissance survey) b) Techno-economic feasibility study (preliminary engineering survey) c) Detailed survey and project report stage (final location survey) d) All the above *

Last Answer : d) All the above

Lead is (A) Not resistant to corrosion (B) Used as a cathodic material (C) Not used as pigment (in its compound forms) for paints (D) Used as a shock absorber (in mattress form) between the foundation and steel framework of skyscraper buildings

Description : Lead is (A) Not resistant to corrosion (B) Used as a cathodic material (C) Not used as pigment (in its compound forms) for paints (D) Used as a shock absorber (in mattress form) between the foundation and steel framework of skyscraper buildings

Last Answer : (D) Used as a shock absorber (in mattress form) between the foundation and steel framework of skyscraper buildings

Pick out the wrong statement about coating/electroplating of metals. (A) Phosphate coating is used as an excellent base for paints & enamels (B) Phosphate coating is less corrosion resistant than chromate coating (C) The base metal to be electroplated is normally made the cathode of the electrolytic cell and coating metal is made the anode (D) Calorising is the process of coating steel with chromium

Description : Pick out the wrong statement about coating/electroplating of metals. (A) Phosphate coating is used as an excellent base for paints & enamels (B) Phosphate coating is less corrosion resistant than ... coating metal is made the anode (D) Calorising is the process of coating steel with chromium

Last Answer : (D) Calorising is the process of coating steel with chromium

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

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*

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

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*

Piano wire is used for measuring the a) Distortion b)Camber in PSC girder c)Both a & b* d)None of above

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*

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

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*

Shallow type girder can be used in a) ROBs b) RUBs* c) FOBs

Description : Shallow type girder can be used in a) ROBs b) RUBs* c) FOBs

Last Answer : b) RUBs*

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

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*

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)

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)*

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

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

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

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*

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

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*

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

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*

Super structure of a bridge includes a) Girder/Slab* b) Abutment c) Piers d) Bed block

Description : Super structure of a bridge includes a) Girder/Slab* b) Abutment c) Piers d) Bed block

Last Answer : a) Girder/Slab*

Sub structure of a bridge does not include a) Abutment b) Girder/Slab* c) Piers d) Wing and Return walls

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*

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

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 *

In Epoxy pressure grouting, pressure is kept as a) 2 to 4 kg./sqcm. b) 3 to 6 kg./sqcm. c) 3 to 10 kg./sqcm. d) 3.5 to 7 kg./sqcm.*

Description : In Epoxy pressure grouting, pressure is kept as a) 2 to 4 kg./sqcm. b) 3 to 6 kg./sqcm. c) 3 to 10 kg./sqcm. d) 3.5 to 7 kg./sqcm.*

Last Answer : d) 3.5 to 7 kg./sqcm.*

Epoxy pressure grouting is suitable for a) wide and deep crack b) fine and deep crack c) fine but not very deep crack* d) None of the above

Description : Epoxy pressure grouting is suitable for a) wide and deep crack b) fine and deep crack c) fine but not very deep crack* d) None of the above

Last Answer : c) fine but not very deep crack*

Linseed oil is used in Paints as a a) Vehicle b) Base c) Drier* d) Thinner

Description : Linseed oil is used in Paints as a a) Vehicle b) Base c) Drier* d) Thinner

Last Answer : c) Drier*

A protective or decorative non-structural element placed at the level of the truss supports and column head is called (a) Eaves girder (b) Baluster (c ) Eaves board (d) Tie girder

Description : A protective or decorative non-structural element placed at the level of the truss supports and column head is called (a) Eaves girder (b) Baluster (c ) Eaves board (d) Tie girder

Last Answer : (c ) Eaves board

How do engineer determine the number of cells for concrete box girder bridges?

Description : How do engineer determine the number of cells for concrete box girder bridges?

Last Answer : If the depth of a box girder bridge exceeds 1/6 or 1/5 of the bridge width, then it is recommended to be designed as a single cell box girder bridge. However, if the bridge depth is ... improvement in transverse load distribution when the number of cells of box girder is increased to three or more.

Are diaphragms necessary in the design of concrete box girder bridges?

Description : Are diaphragms necessary in the design of concrete box girder bridges?

Last Answer : Diaphragms are adopted in concrete box girder bridges to transfer loads from bridge decks to bearings. Since the depth of diaphragms normally exceeds the width by two times, they are usually designed ... In fact, diaphragms also contribute to the provision of torsional restraint to the bridge deck.

In Case If Concrete Box Girder Bridges How Is The Number Of Cells Determined?

Description : In Case If Concrete Box Girder Bridges How Is The Number Of Cells Determined?

Last Answer : Answer : When the depth of a box girder bridge exceed 1/6th or 1/5th of the bridge width then the design recommended is that of a single cell box girder bridge. But in case the depth of ... the transverse load distribution when the number of cells of the box girder is higher than three or more.

The project report of final location survey gives tabulated statement of the following (a) Curve abstract (b) Gradient abstract (c) Bridge abstract (d) Important bridges (e) Station machinery (f) Stations and stations sites (g) All the above*

Description : The project report of final location survey gives tabulated statement of the following (a) Curve abstract (b) Gradient abstract (c) Bridge abstract (d) Important bridges (e) Station machinery (f) Stations and stations sites (g) All the above*

Last Answer : g) All the above*

bridge foundation having less then 2M depth below bed level in case of arch bridges and 1.2M depth below bed level in case of other bridges is termed as

Description : bridge foundation having less then 2M depth below bed level in case of arch bridges and 1.2M depth below bed level in case of other bridges is termed as

Last Answer : …Shallow foundation..

The total number of bridges on I.R.is about a)1 Lac b)1.25 Lacs* c)1.50 Lacs d)2 Lacs

Description : The total number of bridges on I.R.is about a)1 Lac b)1.25 Lacs* c)1.50 Lacs d)2 Lacs

Last Answer : b)1.25 Lacs*

Spacing of Trolley refuges a) Every 100m b) If span is more than 100m, on each pier c) Ballasted deck bridges – every 50m d) All the above*

Description : Spacing of Trolley refuges a) Every 100m b) If span is more than 100m, on each pier c) Ballasted deck bridges – every 50m d) All the above*

Last Answer : d) All the above*

Flood level gauge to be marked in a) All important bridges* b) All major bridges c) All minor & major bridges d) All bridges

Description : Flood level gauge to be marked in a) All important bridges* b) All major bridges c) All minor & major bridges d) All bridges

Last Answer : a) All important bridges*