Enrolment No.
/Seat No_______________
                     GUJARAT TECHNOLOGICAL UNIVERSITY
                      BE- SEMESTER–VII (NEW) EXAMINATION – WINTER 2024
      Subject Code:3170619                                                     Date:16-12-2024
      Subject Name: Railway and Airport Engineering
      Time:10:30 AM TO 01:00 PM                                                Total Marks:70
      Instructions:
             1. Attempt all questions.
             2. Make suitable assumptions wherever necessary.
             3. Figures to the right indicate full marks.
             4. Simple and non-programmable scientific calculators are allowed.
                                                                                                     MARKS
Q.1     (a) Explain socio-economical role of railways in development of India.                        03
        (b) Role of the DGCA as regulatory body in field of civil aviation.                           04
        (c) Describe functional classification of railway station in details.                         07
Q.2     (a) What are the facilities provided in the terminal building?                                03
        (b) Write a brief note on diamond crossing.                                                   04
        (c) Define term “Creep of rails”. Explain causes and effects of creep                         07
                                                     OR
        (c) Explain ICAO recommended geometric design of various runway elements.                     07
Q.3     (a) Write a brief note on holding apron.                                                      03
        (b) What are switches? Gives various types of switches.                                       04
        (c) Discuss term ‘Stresses in sleepers”. Also give advantages and disadvantages of            07
            concrete sleepers.
                                                   OR
Q.3     (a) Explain important of airport grading.                                                     03
        (b) Discuss various gradient used on Indian Railways. What grade compensation on              04
            curves is adopted in India?
        (c) Define superelevation. Also give objectives of providing superelevation and               07
            discuss negative superelevation in detail.
Q.4     (a) Enumerate different types of spikes used for holding rails. Explain any one briefly.      03
        (b) Enlist components of railway track. Give functions of sleepers.                           04
        (c) Discuss various factors to be considered while selecting suitable site for an airport.    07
                                                   OR
Q.4     (a) Enlist fittings and fastenings commonly used for joining rails. Discuss any one           03
            briefly.
        (b) Enumerate objectives of signaling.                                                        04
        (c) Discuss various types of hangers with their functions.                                    07
Q.5     (a) Write brief note on runway configuration.                                                 03
        (b) What is aim of providing adequate and efficient airport drainage?                         04
        (c) Enlist different types of imaginary surfaces. Discuss take-off climb surface and          07
            approach surface in detail.
                                                    OR
Q.5     (a) What are purposes of air traffic control?                                                 03
        (b) Give requirements of a passenger station yard.                                            04
        (c) Explain briefly about exit taxiway. Also discuss taxiway lighting                         07
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