CEC Sample Exam

CEC-1     Earthwork Construction and Layout/Excavation and Embankment

Which of the following is not a standard method of calculating cut/fill volumes:

CEC-2     Earthwork Construction and Layout/Borrow Pit Volumes

25,000 ft³ of soil with a compacted density of 125 pcf and a moisture content of 10% is required at a construction site. The soil in the borrow pit has a density of 100 pcf and a moisture content of 9.1%. What total volume of borrow pit soil is needed at the construction site?

CEC-3     Estimating Quantities and Costs/Cost Analysis for Resource Selection

Using Equivalent Uniform Annual Cost (EUAC), which of the following is the best choice (assume annual interest rate of 4.0%):

• Option 1:
  • cost of installation = $1,350
  • useful life = 7 years
  • annual maintenance costs = $1,000
• Option 2:
  • cost of installation = $1,800
  • useful life = 10 years
  • annual maintenance costs = $950
• Option 3:
  • cost of installation = $2,190
  • useful life = 15 years
  • annual maintenance costs = $500
• Option 4:
  • cost of installation = $2,500
  • useful life = 12 years
  • annual maintenance costs = $350

CEC-4     Construction Operations and Methods/Lifting and Rigging

To ensure the safest operation possible, loads should be lifted:

CEC-5     Scheduling/Critical Path Method (CPM) Network Analysis

The first step in assembling a CPM project plan is to define the __________ including duration, start date, finish date, predecessors, etc.

CEC-6     Material Quality Control and Production/Weld and Bolt Installation

What is the maximum shear stress a 1”, A325 bolt can withstand? Yield strength of bolt is 92 ksi.

CEC-7     Material Quality Control and Production/Concrete Proportioning and Placement

Of the factors that affect concrete mix design strength, which one is the most important?

CEC-8     Temporary Structures/Construction Loads, Codes, and Standards

The exterior bearing walls of a building classified Type IA must have a _____ hour fire-resistance rating.

CEC-9     Temporary Structures/Bracing and Anchorage for Stability

For the shear wall section shown, what is the overturning moment if the wall is 14 ft tall? Use a safety factor of 1.5.

CEC-10    Health and Safety/Safety Management and Statistics

The Occupational Safety & Health Administration provides documentation and guidelines for construction site safety including the use of protective devices and gear to lessen the risk of falls. at what height does OSHA require the use of a harness or other fall-preventative device?