B.TECH - Semester 5 transportation engineering 2 Question Paper 2021 (mar)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- (a) List down any four key characteristics of Light Rail Transit System (LRT).
- (b) Define :
- (i) Ruling gradient (ii) Pusher gradient (iii) Momentum gradient (iv) Grade compensation on curves
- (c) What is meant by interlocking of signals and points? List down any three essential regulations.
- (d) Describe the operation of centralized train control system (CTC).
- (e) What are the important wave characteristics? Write down the inter- relationship among these characteristics.
- (a) Explain the factors involved in the selection of good alignment for a railway line. Illustrate with necessary sketches.
- (b) Explain the necessity and effects of coning of wheels with the help of sketches.
- (a) Explain the functions of rails and various types of rails in use.
- (b) What are the requirement of sleepers used in a railway track? Using a sleeper density $\mathrm{N}+5$, determine the number of sleepers required for the construction of a 1800 m BG track. Take the length of rail as 13 m .
- (a) What is negative super elevation? A $1^{\circ}$ curve track diverges from a main curve of $3^{\circ}$ in the opposite direction in the layout of a BG track, calculate the super elevation and the speed on the branch line when the maximum speed per...
- (b) Explain the train resistances that a locomotive has to overcome in hauling a train on a gradient and on a curve. Illustrate with sketches.
- (a) Why is widening of gauge required on sharp curves? Determine the extent of gauge widening required for a broad gauge track on a $5^{\circ}$ curve, given the following data. Wheel base of vehicle is 6 m , Diameter of wheel is 1.524 m and the flang...
- (b) Compute the steepest gradient that a train of 20 wagons and a locomotive can negotiate given the following data: Weight of each wagon 20 t , weight of locomotive 150 t , tractive effort of locomotive 15 t , rolling resistance of locomotive $3 \ma...
- (a) Describe the main constituents of a crossing. Draw neat sketches to show 10 point rail and splice rail.
- (b) Explain scissors cross over and double junctions with the help of sketches.
- (a) Explain symmetrical split, three throw switch, double turn out and diamond 10 crossing with the help of sketches.
- (b) Explain the types of railway stations according to functional considerations.
- (a) Explain the factors based on which the size and shape of harbour and turning basin are determined.
- (b) How are dredgers classified? Explain any three types.
- (a) Explain Type I and II mound break waters with the help of sketches.
- (b) What is a graving dock? What are the different types? Explain any two 10 types. ( $4 \times 20=80$ Marks)