CE3405 Highway and Railway Engineering Important Questions

CE3405 Highway and Railway Engineering

Important Questions

Unit 1 Part B

1. Explain the classification of highways based on the function they serve.
2. Discuss the differences between flexible and rigid pavements and explain the design practices for each.
3. Demonstrate the procedure of various engineering surveys required for locating a new highway.
4. Draw typical cross section of a highway in embankment and cutting and mark the cross-sectional elements.
5. Discuss the factors influencing the highway alignment.
6. Classify the types of rural and urban roads.
7. Elaborate on the four phases of engineering survey for a new highway alignment.

Unit 2 Part B

1. Discuss the design principles of horizontal curves, including super elevation and transition curves.
2. Describe the pavement components and their role in pavement design.
3. A new national highway is to be aligned along a rolling terrain with a ruling minimum radius. If the design speed is 80 kmph. Calculate absolute minimum sight distance, intermediate sight distance, super elevation, extra widening and length of transition curve. Assume necessary data suitably.
4. Calculate the stopping sight distance on a highway whose design speed is 100 kmph. If the highway is on a 3% down grade. Assume any relevant data needed.
5. Derive an expression for widening at curve.
6. Elaborate and derive with a neat sketch of overtaking sight distance.
7. Write step by step procedure for the design of rigid concrete pavement by IRC method.
8. Explain the purpose of providing super elevation and also list the types of gradients.

Unit 3 Part B

1. Explain the construction practice of concrete pavements.
2. Enumerate the different methods of pavement maintenance and explain their importance in pavement performance.
3. Explain briefly the construction procedure of concrete road with material specifications.
4. Draw neat sketches of components of flexible pavements and describe their functions.
5. Explain any four types of tests for bitumen.
6. Explain any four types of tests for coarse aggregates.
7. Write in detail the step-by-step construction procedure of flexible pavement.
8. Mention the importance of highway drainage.

Unit 4 Part B

1. Discuss the various defects that can occur in rails and how they can be detected and prevented.
2. Explain the role of signalling in railway operation and safety.
3. Illustrate various geometric design elements of railway track.
4. If the wheel base of a vehicle moving on a B.G truck is 6m on 4º curves with diameter of wheel as 1.2 m and depth of flanges below the top of rail is 3.21cm. Determine the length of transition curve and extra width required to be provided on the gauge and also calculate the shift.
5. Elaborate with a neat sketch of different components of a permanent way.
6. Write a note on different types of rail failures and also explain types of rail joints.

Unit 5 Part B

1. Paraphrase the construction and maintenance of railway tracks, including conventional and modern methods and materials.
2. Discuss the lay out of a terminal railway stations with a neat sketch.
3. Draw the sketch of a hump type of Marshalling yard and explain its operation.
4. Distinguish between railway station and railway yard with neat sketch.
5. Illustrate with a neat sketch a left-hand turnout of a railway track and mention the types of components.
6. Highlight on feasibility study, planning and construction of MRTS with an example.