(11) Which of the following slopes is a reasonable slope for an earth dam slope:
- 1:3
- 1:1
- 1:1,5
- 1:5
(12) Which of the following is a type of cobblestone dam?
- Buttress dam
- RCC
- Earth dam
- Gravity dam
(13) Rigid dams are constructed using different types of concrete. Which of the following types of dams are classified as rigid dams:
- Gravity, Buttress, Λ.Α.Π.Σ
- Arch, Gravity, Buttress
- Gravity, Arch, Λ.Α.Π.Σ
- Gravity, RCC, Arch, Buttress
(14) A plastic tank with a volume of 1 m3 is filled with well-compacted soil material that can be characterized as clayey sand. Start and add water to the tank until the material is completely saturated. We added a total of 400 L of water. What is the porosity (n) of the specific soil material?
- 10%
- 20%
- 30%
- 40%
(15) Can the following statement be correct? (YES/NO)
«The specific yield of an unconfined aquifer is 1.5»
(16) Σε ποια επαρχία βρίσκεται το φράγμα της Ευρέτου:
- Λάρνακας
- Πάφου
- Αμμοχώστου
- Κερύνειας
(17) In which of the following locations are desalination plants?;
- Δεκέλεια, ΑΗΚ Βασιλικού, Ακρωτήρι, Λάρνακα.
- Λάρνακα, Δεκέλεια, ΑΗΚ Βασιλικού, Πάφος.
- Λεμεσός (Επισκοπή), Λάρνακα, Δεκέλεια, ΑΗΚ Βασιλικού
- ΑΗΚ Βασιλικού, Λάρνακα, Δεκέλεια, Αγία Νάπα.
(18) The following water consumptions were recorded in at a small island during 2019.
Domestic: 22 MCM, Industrial: 8 MCM, Agricultural: 16 MCM, Tourist: 12 MCM
Livestock: 12 MCM.
Assuming the water demand on the island remains the same for the next 2 years, how many MCM of potable water will be needed for the above area in 2021?
- 34
- 42
- 28
- 70
(19) What percentage of total water consumption in Cyprus goes to irrigation and what percentage for drinking water.
- 20% Irrigation, 80% Drinking
- 40% Irrigation, 60% Drinking
- 80% Irrigation, 20% Drinking
- 65% Irrigation, 35% Drinking
(20) Which of the following belong in the scope of Water Resources Management?
- Strategic planning & feasibility studies for water projects.
- The management of water projects.
- Protection of water resources from pollution.
- All of the above.