| Which of the following is correct decreasing order of total weight of IRC loading vehicles as per IRC: 6-2016 [70Rtracked = Class 70R tracked vehicle, 70Rwheeled = Class 70R wheeled seven axles vehicle, Atrain = Class A train of vehicles] |
A) 70Rtracked > 70Rwheeled > Atrain
B) 70Rwheeled > 70Rtracked > Atrain
C) 70Rtracked > Atrain > 70Rwheeled
D) 70Rwheeled > Atrain > 70Rtracked
| The water pressure to be considered in the design of piers is / are (i) Dynamic pressure (ii) Static pressure (iii) Impact due to cross current |
A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (i), (ii) and (iii)
| What should be the minimum width of footpath while designing a bridge for rural areas? |
A) 1.0 m
B) 1.5 m
C) 2.0 m
D) 3.0 m
| A cross section of the river at the proposed bridge site to a scale of about _____ horizontally |
A) 1:10
B) 1:100
C) 1:1000
D) 1:50
| In a bridge, Inverted Arch footing is constructed on _____ to reduce the depth of foundation |
A) soft soils
B) granular soils
C) expansive soils
D) coarser soils
| Which of the following class of prestressed concrete bridge attribute to allow flexural tensile stress without any visible cracking? |
A) Class-4
B) Class-3
C) Class-2
D) Class-1
| The proposed masonry arch bridge having the total height of its abutments or piers from top to bottom as H can be proposed to have economical spans each equal to _____ |
A) 1.2H
B) 2/3H
C) 2H
D) 1.5H
| The type of Elastomeric bearing used in a highway bridge is |
A) Roller bearing
B) Neoprene rubber bearing
C) Tar paper bearing
D) Rocker bearing
| IRC Class AA loading consists a tracked vehicle of _____ |
A) 300kN
B) 500kN
C) 700kN
D) 900kN
| In a proof testing of a bridge, the load ‘W’ shall be applied in the stage of |
A) 3W/4, W/2, W/4
B) 3W/4, W/4, W/2
C) W/2, W/4, 3W/4
D) W/4, W/2, 3W/4
| The minimum clear width of carriageway to be adopted for vehicular traffic of single lane bridge is |
A) 3.75m
B) 4.25m
C) 4.75m
D) 5.25m
| In a bridge, a curtain wall is used i. as a protection against the scouring action of a stream ii. as a protection against the flash flood iii. for connecting the abutments |
A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (i), (ii) and (iii)
| The first loading standard in India was published by the IRC in the year _____ |
A) 1947
B) 1950
C) 1958
D) 1972
| Free board in a bridge is the vertical distance between the |
A) the designed High Flood Level and the level of the crown of the bridge at its lowest point
B) the designed High Flood Level and the level of the crown of the bridge at its highest point
C) the designed Low Flood Level and the level of the crown of the bridge at its lowest point
D) the designed Low Flood Level and the level of the crown of the bridge at its highest point
| For temporary bridges which of the following is the bridges constructed without intermediate supports? |
A) Crates
B) Trusses
C) Cribs
D) Trestles
