TRANSPORTATION ENGINEERING –I (CE-404) - Important Questions

What do you mean by coning of wheels? Also discuss its advantages.

Explain the process of route surveys and alignment for rail / transportation infrastructure development.

Write short notes / define rail fastenings and track components including fish plates, bearing plates, spikes, chain keys, check rails and guard rails.

List the materials used as ballast and explain the requirements of good ballast including comparative performance.

Define hauling capacity and tractive effort, derive the formula for tractive effort and explain the factors affecting it.

Explain functions of ballast, working principle of turnout, types of gradient, and bridge action in tunnels.

Explain the functions and requirements of rails

Short notes on types of rails, wear and tear of rails, and rail creep

Define hauling capacity and tractive effort, list materials used as ballast and state requirements of good ballast.

Compare steel sleepers and concrete sleepers and suggest which is best.

Explain super elevation and with a neat sketch explain advantages of negative super elevation.

Explain the principles of signaling and interlocking and their role in safety and efficiency, including widening of gauge on curved track

Define super elevation, derive the formula for equilibrium cant and explain cant deficiency.

Explain the types of horizontal curves used in railway design and how curve radius affects train speed and safety.

Describe the layout and working of a typical mechanical interlocking system and how it differs from electrical interlocking

Calculate equilibrium cant on a given curve for BG track for mixed train speeds.

Explain the concept of points and crossings in railway infrastructure design. How are simple turnouts designed, and what factors are considered?

Discuss the types, locations, general equipment used in marshalling yards and their layout considerations.

Explain what super elevation is, why it is provided, cant deficiency and marshaling yard.

Classify railway signals in detail

Explain widening of gauge on curved track and discuss its importance.

Differentiate between a railway junction, terminal and yard.

Explain economical span, clearance and afflux / back water and their factors / effects in bridge design

Procedure for estimating scour depth for a bridge foundation and its importance for safety

Discuss Indian loading standards for railway and highway bridges as per relevant codes

Explain the types of flooring / deck systems used in bridges and how selection depends on traffic and site conditions.

Briefly explain IRC loading classification for bridges

Explain the design loads and forces acting on bridges including impact factor and the Indian loading standards for railway and highway bridges

Surveys done before construction of a bridge and types of bridge foundations

Explain selection of site of bridge and afflux

Discuss the different types of loads and forces considered in bridge design

Explain the components of bridge superstructure and substructure and how the superstructure type is chosen.

Factors affecting selection of site for a bridge

Surveys / investigation stages carried out before construction of a bridge

What are cofferdams, their types/construction methods, purposes and use in underwater bridge construction?

Explain the construction procedure for underwater bridge foundations/substructures, including materials, methods, and comparison with above-water construction and associated challenges.

Explain well foundations, well sinking, and precautions to be taken while sinking of well.

Explain the different methods and techniques used for strengthening of bridges and reasons for strengthening.

Explain the different types of inspections conducted during and after bridge construction and importance of data collection in bridge maintenance.

List the types of bridge foundations and explain suitable materials used in bridges.

Write a short note on bridge failure, causes and effects.

Write short notes on sheet piles, coffer dams, wing wall and return wall.

Define coffer dam and discuss its classification.

Explain the method of construction / creation of steel girder bridges.

Enlist defects in bridges and their corresponding remedial measures.

Explain tunnel shafts and pilot shafts, their purpose, construction, and design considerations for tunnel approaches and shafts.

Describe important tunnels in India and abroad, including their significance and engineering features/challenges.

Explain the importance of drainage and describe the methods of drainage and ventilation in tunnels.

Explain how soil / ground conditions (soft soil, hard soil, rock) affect tunnel construction methods and lining choice

Explain the mucking operation process and the importance of drainage and ventilation systems in tunnel construction.

Explain the various methods of ventilation in tunnels.

Define and explain mucking operation, abutment and piers, and marshalling yard.

Discuss different geometrical shapes and sizes of tunnels with sketches and describe pressure relief phenomenon.

Explain tunneling in hard rock by the Drift method with neat sketch and explain tunnel approaches

Describe pressure relief phenomenon and discuss a method of tunnelling in hard rock.

Write safety precautions in tunnel construction.

Why lining is done in tunnels, what are its advantages? What are various types of lining used in tunnels and also write its different methods.

Explain any two of the following: