Download Previous Year Diploma Paper of Railways ,Bridges and Tunnels RBT 5th Sem/Civil/Dec 2018 Paper
Railways ,Bridges and Tunnels RBT 5th Sem/Civil/Dec 2018 Diploma PSBTE Paper
Q1. Fill in the Blanks 15×1=15
i. Railways are the _________ as compared to other modes of transportation. ii. Broad gauge is the ___________ of India. iii. The function of rails is to provide ______ Path. iv. Bearing plates are used in ___________ sleepers. v. The length of a wooden sleeper for a Broad gauge track is ____ meters. vi. ___________ is the art of up keeping the track component and other facilities provided on the tracks in good condition. vii. A bridges having long span of life is known as ______________ bridge. viii. End support of a bridge floor is called _____________ ix. Tunnels _________ the distance in hilly areas. x. ____________ is the art of providing fresh air inside tunnels during or after there construction.
b) State True or False.
xi. Points and crossing are provided for change gradient on permanent ways. xii. A bridge crossing thrive at right angle is called skew bridge. xiii. Welding of rails increase their life xiv. The natural ventilation system of tunnels is commonly used. xv. The best shape of tunnel to be used for carrying road or railway track is horse shoe section
Q2. Write short note on any six: 6X5=30
a. What are the important merits railways with respect of roadways, waterways and airways? b. What do you understand by signaling? What are objects of signaling? c. State the requirements of ideal fastenings connecting rail and sleeper. d. Define abutments of a bridge. Give the functions and requirements of a good a abutments. e. What do you understand by ballast? Give its functions. f. What are advantages and disadvantages of tunnels? g. What are the factors affecting the choice of particular gauge. h. Write a short note on coning of wheels and tilting of rails. i. Define the component parts of bridge. Give their functions.
Q3. Attempt any three questions. 3×10=30
i. What are the functions of railway sleepers? Give the requirements of a good sleeper. Name various types of sleepers explain any one. ii. What are the various factors which effect the selection of site of bridge? iii. Give the classification of the various types of bridges depending upon life loading, materials and Structural form. iv. Define a gauge. What are the different types of gauge used in India? Discuss the factor affecting the adaption of a particular gauge. v. What is the various method of tunneling in head rock? Describe in details any one of them. Draw neat sketches showing the constructional details.
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Railways ,Bridges and Tunnels RBT 5th Sem/Civil/
dec 2018 Diploma PSBTE Paper
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