Download Previous Year Diploma Paper of Railways ,Bridges and Tunnels RBT 5th Sem/Civil/Dec 2015 Paper
Railways ,Bridges and Tunnels RBT 5th Sem/Civil/Dec 2015 Diploma PSBTE Paper
Q1. Fill in the Blanks 15×1=15
I) The railways provided just below the ground level are called ______ II) The gauge of the permanent way should not get ______________ III) The standard rail length for a B.G track in India is ______________ IV) A good sleeper should be __________ in their initial as well a maintenance cost. V) The function of ballast is provide _________ bed for sleepers. VI) The basic object of signaling is to ________ the movement of trains efficiently. VII) A culvert has a span usually less then ____________ VIII) A end supports of the superstructure of a bridge are called __________ IX) The tunnels which are used for carrying roads & railway track are known as _________ tunnel X) The art of providing freshness of air in tunnels during and after the construction is called ___________ in the tunnels.
(B) State True or False:-
XI) Welding of rails increase their life. XII) Points and crossing are provided for change gradient on permanent ways. XIII) A bridge crossing the river at right angle is called skew bridge. XIV) The best shape of tunnel to be used for carrying road or railway track is horse shoe section. XV) The natural ventilation system of tunnels is commonly used.
Q2. Write short note on any six: 6X5=30
I) What do you understand by permanent way? Draw section showing components parts of permanent way. II) What do you understand by creep of rails? Give its causes and effects. III) Write a short note on coning of wheels and tilting of rails. IV) What do you understand by signaling? What are objects of signaling? V) Define fixtures and fastening. Give their functions. Name the various types of fixtures and fastenings. VI) Define the component parts of bridge. Give their functions. VII) Define abutments of a bridge. Give the functions and requirements of a good a abutments. VIII) What are advantages and disadvantages of tunnels? IX) Draw the cross-section of tunnel for double line broad gauge railway track.
Q3. Attempt any three questions. 3×10=30
Q3. Define a gauge. What are the different types of gauge used in India? Discuss the factor affecting the adaption of a particular gauge. Q4. What are the functions of railway sleepers. Give the requirements of a good sleeper. Name various types of sleepers explain any one. Q5. Give the classification of the various types of bridges depending upon life loading, materials and Structural form. Q6. Explain the method of contractor of tunnels in a soft rock by needle beam method. Q7. Name the different components of a well foundation and explain with a neat sketch.
Cross-section of tunnel for double line broad gauge railway track.
Railways ,Bridges and Tunnels RBT 5th Sem/Civil/Dec 2015 DiplomaPaper Click Here
Railways ,Bridges and Tunnels RBT 5th Sem/Civil/
DEC 2015 Diploma PSBTE Paper
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