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G192077 Pages:2

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

SEVENTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DECEMBER 2019

Max. Marks: 100

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Course Code: CE407
Course Name: TRANSPORTATION ENGINEERING - 11

PARTA
Answer any two full questions, each carries 15 marks.

What is the equilibrium cant on a 2° curve on a BG track, if the speed of various
trains are 10 trains at 50km.p.h., 8 trains at 55 km.p.h. and 4 trains at 60km.p.h.
respectively

Describe the functions and requirements of sleepers

What is meant by Super elevation? What are the objects of providing SE on
curves?

What is creep? What are the various causes of creep? List the various remedial
measures

Explain the term ballast less tracks and explain its advantages.

What are the factors affecting the selection of gauges?

Compare and differentiate the different types of rails with neat sketches.

PART B
Answer any two full questions, each carries 15 marks.
Discuss on Conventional and Advanced Remedial Aids for preventing railway accidents.
Explain different types of railway signals according to their operational
characteristics. With the help of neat sketch explain the essential features and
working principle of a Semaphore type signal.
Draw a neat sketch of a Right hand turnout and mark its components.
What is a yard? What are the different types of yards? Explain the functions of a
Marshalling yard and describe the points to be considered in its design.
Explain (i) Three-throw (ii) Gathering lines
Explain locomotive yard and its components
What are the different systems of controlling the movement of trains? Explain

the working of absolute block system.

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Duration: 3 Hours

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