Questions and answers for exam Preparation

MCQs

Total Questions : 153 | Page 2 of 16 pages

Question 11. Which of the following zone in Zoned type embankment prevents piping through cracks?

Central core
Transition zone
Outer zone
Core wall

Discuss Question

Answer: Option B. -> Transition zone
Answer: (b).Transition zone

Question 12. Which of the following earth dam is suitable only on impervious foundation?

Zoned embankment type
Homogenous embankment type
Non-homogenous type
Diaphragm type

Discuss Question

Answer: Option B. -> Homogenous embankment type
Answer: (b).Homogenous embankment type

Question 13. The foundation pressure used in the pressure grouting is equal to _________________

2.0 D N/cm²
2.5 D N/cm²
5.0 D N/cm²
3.0 D N/cm²

Discuss Question

Answer: Option B. -> 2.5 D N/cm²
Answer: (b).2.5 D N/cm²

Question 14. Which of the following joints justifies the two-dimensional analysis of gravity dams?

Longitudinal joints
Transverse joints
Construction joints
Contraction joints

Discuss Question

Answer: Option B. -> Transverse joints
Answer: (b).Transverse joints

Question 15. Which of the following soil material is most preferred for the central core material of zoned embankment type dam?

Highly impervious clay
Sands or silty clays
Coarse sands
Gravels

Discuss Question

Answer: Option B. -> Sands or silty clays
Answer: (b).Sands or silty clays

Question 16. Which embankment has the thickness of the diaphragm at an elevation less than 10 meters or the height of the embankment above the corresponding elevation?

Diaphragm type dam
Zoned type dam
Non-homogenous earth dam
Homogenous earth dam

Discuss Question

Answer: Option A. -> Diaphragm type dam
Answer: (a).Diaphragm type dam

Question 17. During the construction of an earthen dam by hydraulic fill method, development of pore pressure becomes important in the __________________

central impervious core
pervious outer shell
transition zone
both central core and outer shell

Discuss Question

Answer: Option A. -> central impervious core
Answer: (a).central impervious core

Question 18. The process of laying and compacting earth in layers by power rollers under OMC for construction of earthen dams is known as ______________________

Rolled fill method
Hydraulic fill method
OMC method
Compaction

Discuss Question

Answer: Option A. -> Rolled fill method
Answer: (a).Rolled fill method

Question 19. Which of the following statement is correct with reference to earthen dams?

These dams are very costly as compared to other types
Gravity dams are less susceptible to failure as compared to rigid dams
These dams are suitable for construction on almost every type of foundation
Highly skilled labor is generally not required

Discuss Question

Answer: Option C. -> These dams are suitable for construction on almost every type of foundation
Answer: (c).These dams are suitable for construction on almost every type of foundation

Question 20. The blanket in earth dam is provided ___________________