Roll No. _________________________________ Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CE) (2012 to 2017) (Sem.-7)
--- Content provided by FirstRanker.com ---
HYDROLOGY AND DAMS
Subject Code : BTCE-817
M.Code : 71876
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
--- Content provided by FirstRanker.com ---
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
Answer briefly :
--- Content provided by FirstRanker.com ---
- What does point rainfall refers to?
- Name various recording rain gauges.
- Distinguish between depression storage and interception.
- What are the various methods of base flow separation?
- What are the limitations of unit hydrograph?
- List various forces acting on gravity dam.
- State major difference between Arch and Gravity dam.
- What do you mean by phreatic lines?
- List advantages of Buttress dam.
- List advantages of gated spillways.
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
SECTION-B
- Explain briefly the following relationships relating to the precipitation over a basin :
- Depth- Area relationship
- Maximum Depth- Area - Duration curves.
- Intensity-Duration-Frequency relationship.
- List the factors affecting infiltration process. Enumerate various types of infiltrometers.
- List the various assumptions made in the two dimensional design of gravity dams. Enumerate analytical method of two dimensional analysis for analysis of stability of dam.
- Distinguish between constant radius and constant angle layouts of an arch dam. Obtain the value of the best central angle for the latter.
- Enumerate different types of buttress dams and explain as to how a slab type of buttress dam differs in its design as compared to a concrete gravity dam?
--- Content provided by FirstRanker.com ---
SECTION-C
--- Content provided by FirstRanker.com ---
- A basin has 400 sq. km of area, L = 35 km and Lca = 10 km. Assuming Ct = 1.5 and Cp = 0.70 develop a 3-h synthetic unit hydrograph for this basin using Synder's method.
- a) Enumerate Gumbel's method.
b) Flood frequency computations for the river Chambal at Gandhinagar dam by using Gumbel's method, yielded the following results :
Return period T (years) Peak Flood (m³/s) 50 40809 100 46300 - How would you proceed to determine the phreatic line through homogenous earthen dams provided :
- With a horizontal filter
- Without a horizontal filter?
--- Content provided by FirstRanker.com ---
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
--- Content provided by FirstRanker.com ---
This download link is referred from the post: PTU B.Tech 2021 January Previous Question Papers || PTU Punjab Technical University