JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III TRANSPORTATION ENGINEERING Previous Question Paper (January/February - 2023 - R18)

List out various types of road patterns.

List out various requirements of Highway Ideal Alignment

List the various assumptions in the analysis of safe Overtaking Sight Distance.

Calculate the extra width required for a two lane highway having a horizontal curve of radius 200m, if the design speed is 80 Kmph.

Draw a neat sketch of Condition and Collision diagram.

Define traffic volume and traffic density and speed.

List the factors to be considered in the design of intersection at grade.

List the various types of on street and off street parking facilities.

List the various tests to be conducted to evaluate the strength properties of soils.

Differentiate between Tack Coat and Prime Coat.

Discuss in detail, the various factors controlling the highway alignment with sketches.

What is the necessity of Realignment? List and explain the various steps in realignment.

What are the various recommendations of Jayakar Committee? How were these implemented?

What are the various methods of classifying roads? Briefly outline the classification of urban roads.

Explain PIEV Theory and the total reaction time of driver.

Calculate the length of transition curve using the following data: Design speed = 65 Kmph, Radius of circular curve = 220m, pavement width including extra widening = 7.5 m, allowable rate of introduction of super elevation (pavement is rotated about the centerline) is 1 in 150.

With the help of a neat sketch, explain the attainment of super elevation in the field.

Calculate the length of vertical valley curve required between -1/30 and +1/25 grades for a speed of 80 Kmph to satisfy comfort and headlight sight distance requirements.

Identify and explain by grouping the vehicular characteristics which affect the various elements of road design.

Spot speed studies were carried out at a certain stretch of a highway with mixed traffic flow and the consolidated data collected are given below.

Write a note on various road user characteristics affecting the traffic.

Briefly explain the various objectives and methods of O & D studies.

Following data refers to the CBR experiment on sub grade soil. Calculate the CBR Value of soil and indicate its importance.

Explain how the soils are classified based on HRB soil classification system.

Define modulus of sub grade reaction. With the sketch, explain the principle test for determining the k – Value. How correction for k value is made for different plate sizes.

Distinguish between: i) bitumen and Tar ii) Emulsion and cut back.

Explain how warping stresses formed in CC pavements. Describe the Bradburys equations to calculate warping stresses at critical locations.

What are the factors considered in the design of rigid pavements? Explain any three factors.

Explain the step by step procedure of conducting Benkelman beam deflection studies for evaluation of Flexible pavement surface condition.

As per IRC: 58-2002, explain the procedure of design of rigid pavements.