Old name: Hydraulics and Geotechnical Engineering - HGE
Official name: Hydraulics and Principles of Geotechnical Engineering - HPGE
Common name: Hydro Geo
Fluid Properties; Hydrostatics; Fluid Flow; Buoyancy and Flotation; Relative Equilibrium of Liquids; Hydrodynamics; Water Supply Soil Properties; Soils Classification; Fluid Flow through Soil Mass; Stresses in Soil Mass; Soil Strength and Tests; Bearing Capacity; Compaction; Consolidation and Settlement; Lateral Earth Pressures; Slope Stability Fluid Mechanics, Hydrology, Hydraulics and System and Structure, Water Supply and Sewerage, Soil Mechanics and Foundation
Problem
A triangular shaped channel is to be designed to carry 700 L/s on a slope of 0.0001. Determine what vertex angle and depth of water over the vertex will be necessary to give a section with minimum perimeter, assuming the channel is made of timber, n = 0.012. Use Manning’s formula.
| A. θ = 45°, h = 1.425 m | C. θ = 45°, h = 2.125 m |
| B. θ = 90°, h = 2.215 m | D. θ = 90°, h = 1.215 m |
Problem
A vertical circular gate in a tunnel 8 m in diameter has oil (sp. gr. 0.80) on one side and air on the other side as shown in Figure HD-73. If oil is 12 m above the invert and the air pressure is 40 kPa, where will a single support be located to hold the gate in position (above the invert of the gate)?
| A. 1.36 m | C. 3.24 m |
| B. 1.84 m | D. 2.62 m |
Problem
Assuming specific weight of air to be constant at 12 N/m3, what is the approximate height of Mt. Banahaw if a mercury barometer at the base of the mountain reads 654 mm and at the same time another mercury barometer at the top of the mountain reads 480 mm.
| A. 1642.3 m | C. 3051.4 m |
| B. 1934.5 m | D. 1735.2 m |
Problem
A circular concrete sewer pipe with coefficient of roughness n = 0.013 is 1.60 m in diameter and flowing half-full has a slope of 4 m per 5 km. Compute the discharge on the sewer pipe in cubic meter per second.
| A. 3.456 | C. 1.190 |
| B. 2.674 | D. 4.324 |
Problem
Determine the absolute pressure at 250 cm below the free surface of oil (specific gravity = 0.80) if the atmospheric pressure is 101 kPa.
| A. 136.25 kPa | C. 120.62 kPa |
| B. 125.42 kPa | D. 134.54 kPa |
