D54 MASTER THE DAY

What is the function of a 'revetment' in bridge construction?

• Supports superstructure
• Controls erosion of river banks
• Acts as foundation
• Connects abutments

Answer explanation

Revetments are placed along riverbanks to reduce erosion caused by water flow.

Which structure in a bridge helps minimize the eddying effect of water?

• Ease water
• Wing wall
• Cut water
• Railing

Answer explanation

Cut waters are designed to split the water flow and reduce turbulence.

Which type of girder is hollow and suitable for flyovers and curved bridges?

• T-beam
• Box girder
• I-girder
• Plate girder

Answer explanation

Box girders are hollow sections used in flyovers and curved structures for aesthetics and space.

Which type of bridge is best suited for rocky terrains and gorges?

• Suspension bridge
• Truss bridge
• Arch bridge
• Deck bridge

Answer explanation

Arch bridges are ideal in rocky terrain as they transfer loads through compression.

What does IRC:6 specify in bridge engineering?

• Steel design
• Bridge lighting design
• General bridge loading and combinations
• River flood data

Answer explanation

IRC:6 gives general loading combinations and impact factors for bridges.

Which type of bridge is commonly used where quick modular construction is needed?

• Masonry bridge
• Steel bridge
• Arch bridge
• Deck bridge

Answer explanation

Steel bridges allow quick fabrication and modular construction.

Which classification refers to a bridge designed for pedestrians only?

• Road bridge
• Rail bridge
• Foot bridge
• Flyover

Answer explanation

Foot bridges are exclusively designed for pedestrian traffic.

Which bridge is built to carry water across valleys?

• Road cum rail bridge
• Utility bridge
• Aqueduct bridge
• Through bridge

Answer explanation

Aqueduct bridges are used to convey irrigation canals or water pipelines.

Which part of a bridge supports the superstructure and retains the earth bank?

• Pier
• Abutment
• Cross girder
• Revetment

Answer explanation

Abutments provide vertical support to the superstructure and hold back approach embankment.

In which type of wing wall is a 45° splay typically provided?

• Straight wing wall
• Splayed wing wall
• Return wing wall
• Inclined wing wall

Answer explanation

Splayed wing walls offer smooth entry/exit for water and are typically set at 45°.