Civil Engineering Online Review

Design and Construction “CE Board Exam Nov. 2008″

admin — Wed, 09 Jun 2010 08:45:21 +0000

A three-hinged arch is shown in the figure. 1. Which of the following most nearly gives the vertical reaction at A in KiloNewtons: A. 31 B. 36 C. 28 D. 23 2. Which of the following most nearly gives the total reaction at the hinge in KiloNewtons: A. 45.2 B. 85.6 C. 54.1 D. 32.3 3. Which of the following most nearly gives the total reaction [...]

Design and Construction “CE Board Exam Nov. 2008″

admin — Wed, 09 Jun 2010 08:35:50 +0000

Concrete beam 8meters long and spaced 4m center-to-center are used to support a concrete slab 115 mm thick. The beams have effective depth of 650 mm measured from the slab surface, bw=300mm, and are reinforced for tension only with six 28-mm-diameter bars. The beams are to be analyzed as T-beams. Steel yield strength fy=350MPa and [...]

Design and Construction “CE Board Exam Nov. 2008″

admin — Wed, 09 Jun 2010 08:34:14 +0000

Steel column 3.6m long and hinged at both ends is used to carry an axial load of 800kN. The column is subject to end moments about its strong axis (single curvature) with M1 = 90%M2. The frame is braced against joint translation and is not subjected to any transverse loading. Fy =248MPa, E=200GPa. The [...]

Design and Construction “CE Board Exam Nov. 2008″

admin — Wed, 09 Jun 2010 08:33:55 +0000

The implementing rules of PD 1594 defines an unbalanced bi as a bid containing one or more pay items that are 30% higher than the unit allowable government estimate (AGE) in respect to major items whereas other pay items are priced lower than the unit AGE. AGE is defined as one-half the sum of the [...]

Design and Construction “CE Board Exam Nov. 2008″

admin — Wed, 09 Jun 2010 07:53:49 +0000

The area in the first quadrant is bounded by the curve shown in the figure. 1. Which of the following most nearly gives the area in square units? A. 2330 B. 2130 C. 2230 D. 2030 2. Which of the following most nearly gives the location of the centroid of the area from the y-axis? A. 52 B. 48 C. 42 D. 58 3. Which of [...]

Design and Construction “CE Board Exam Nov. 2008″

admin — Wed, 09 Jun 2010 07:53:47 +0000

Bill of quantity is to be prepared for guardhouse 3.6 m in height with one door opening only and a height of 2.1m as shown. Assume density of steel equal to 7860 kg/m3. CHB is 200 mm x 400 mm and 150 mm thick. 1. Which of the following most nearly gives the total length of [...]

Design and Construction “CE Board Exam Nov. 2008″

admin — Wed, 09 Jun 2010 01:05:46 +0000

A 4-m single span beam having a cross-section of 300mm x 500 mm carries a uniformly distributed load throughout its span. The beam is 80% stress grade Apitong with allowable bending stress of 16.5 MegaPascals, allowable shearing stress of 1.73 MPa and modulus of elasticity of 7.31 GigaPascals. Allowable deflection is 1/240 of the span. 1. [...]

Hydraulics “CE Board Exam Nov. 2008″

admin — Mon, 07 Jun 2010 08:54:19 +0000

A group of friction piles is shown in figure. The total load on the pile less the soil displaced by the footing is 1800kN. The clay is 16m thick. Ground water table is located 2m below the clay surface. 1. Compute for the effective pressure the mid height of the consolidating clay layer, in kPa. A. 186.4 B. [...]

Hydraulics “CE Board Exam Nov. 2008″

admin — Mon, 07 Jun 2010 08:06:10 +0000

A test is set-up as shown. A cylindrical mold 4” in diameter is filled with silt to height H1 = 0.2 ft, whose coefficient of permeability k1 = 6.1 x 10-4 ft/min. A second coaxial mold is placed on top of the first mold whose inside diameter is d=1.5” and whose height is H2 = [...]

Hydraulics “CE Board Exam Nov. 2008″

admin — Mon, 07 Jun 2010 08:02:31 +0000

A cut slope was excavated in a saturated clay. The slope made an angle of 60° with the horizontal. When slope failure occurs, distance BC is 8m. Given: Stability number, m=0.185: γ=17 kN/m3; cu = 20kPa. 1. What is the stability factor? A. 6.32 B. 5.41 C. 4.57 D. 9.36 2. Determine the critical depth of cut in meters. A. 7.52 B. 6.36 C. [...]