STUDY LESSON:-62 [CIVIL ENGINEERING]
For Competitive exams/Govt. jobs/Semester exam/Self Study Purpose
1. The intensity of shear stress at the toe of gravity dam can be determined by
a) (Pv-p’)tanα b) (Pv-p’)secα c) (Pv-p’)sinα d) none of these
2. Which one of these are not part of a Diversion Headwork?
a) Canal fall b) Fish ladder c) Guide bank d) none of these
3. Water pressure act at the height of _________ from the top of the water level in gravity dam
a) 1/3 b) 2/3 c) ¾ d) 5/6
4. The uplift pressure can be controlled by proving _____________
a) Cut-off wall b) No drainage gallery c) Ejector d) Deep well
5. Which one of these comes under an example of foundation seepage control
a) Embankment zoning b) Horizontal Drainage filter c) Relief well d) none of these
6. Which one of these comes under an example of Embankment seepage control
a) Embankment zoning b) Impervious cut-off c) Relief well d) none of these
7. Central Impervious core can be observed in
a) Gravity Dam b) Buttress dam c) earthen dam d) none of these
8. Suitability of soil used for earthen dam is provided in IS
a) 8829: 1978 b) 8826:1980 c) 8826:1978 d) 8829:1980
9. A minimum width of the cut-off trench is provided to be
a) 3m b) 4m c) 5m d) 6m
10. At the crossing point the water of canal and the drainage get intermixed, so ____________ is provided
a) canal drainage b) crossing canal c) crossing drainage d) none of these
Answer key-
1. a) (Pv-p’) tanα
2. a) Canal fall
3. b) 2/3
4. a) Cut-off wall
5. c) Relief well
6. a) Embankment zoning
7. c) earthen dam
8. c) 8826:1978
9. b) 4m
10.c) crossing drainage
6. a) Embankment zoning
7. c) earthen dam
8. c) 8826:1978
9. b) 4m
10.c) crossing drainage
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