Temporary Material and Equipment

Question 1

1. Which party is normally responsible for estimating and pricing the temporary structures?

A. Owner
B. Vendor
C. Contractor
D. Architect/Engineer

Answer 1

C. Contractor

Question 2

2. Which party is normally responsible for designing the temporary structures?

A. Owner
B. Vendor
C. Contractor
D. Architect/Engineer

Answer 2

C. Contractor

Question 3

3. Which of the following systems is designed to restrain horizontal temporary loads such as soil and water?

A. Steel Piling
B. Sheet Piling
C. Wood Piling
D. Concrete Piling

Answer 3

B. Sheet Piling

Question 4

4. Which of the following systems is designed to carry the vertical load of the structure?

A. Piling
B. Cofferdam
C. Timber Shoring
D. Cribbing and Tie-backs

Answer 4

A. Piling

Question 5

5. Which of the following systems is utilized for supporting an existing structure when the new excavation will be below the existing structures foundation while the extension to the existing foundation is being placed?

A. Piling
B. Cofferdam
C. Underpinning
D. Cribbing and Tie-backs

Answer 5

C. Underpinning

Question 6

6. Which of the following systems is utilized for restraining a vertical wall of soil and other loads where it is impractical to slope the soil, such as in a downtown area where the excavation and new substructure are below the street level?

A. Piling
B. Cofferdam
C. Underpinning
D. Cribbing and Tie-backs

Answer 6

D. Cribbing and Tie-backs

Question 7

7. Which of the following systems is designed as an enclosed structure to restrain soil and water, therefore allowing workers to work inside safely?

A. Caisson
B. Jin Poles
C. Cofferdam
D. Underpinning

Answer 7

C. Cofferdam

Question 8

8. In construction, what is the proper terminology for transporting the off road equipment to the job site?

A. Hauling
B. Mobilization
C. Militarization
D. Transportation

Answer 8

B. Mobilization

Question 9

9. What is the lifting system called which consists of two vertical towers with a cross beam on top with the intended purpose of lifting an unusually long piece of equipment which was transported horizontally and is lifted into its permanent vertical position?

A. Caisson
B. Jin Pole
C. Cofferdam
D. Tower Crane

Answer 9

B. Jin Pole

Question 10

10. What are the components of a cofferdam or a support system?

A. Sheeting, Wales, and Cross Braces
B. Posts, Stringers, Joists and Pans
C. Posts, Stringers, Joists and Plyform
D. Wall forms, Wall Ties, Wales, Hairpins and Braces

Answer 10

A. Sheeting, Wales, and Cross Braces

Question 11

11. What is a toe in relationship to a Cofferdam?

A. The Tie Back extension beyond the Cribbing at least 2 feet
B. The horizontal Wales which extend beyond the wall at least 2 feet
C. The braces set at a 45-degree angle and extended into the ground at least 2 feet
D. The vertical sheeting extended below the bottom of the excavation at least 2 feet

Answer 11

D. The vertical sheeting extended below the bottom of the excavation at least 2 feet

Question 12

12. According to the OSHA Construction Safety Standards, what is required for shoring systems more than 20 feet deep?

A. The Architect shall design the protection system
B. The Project Engineer shall design the protection system
C. The designated Competent Person shall design the protection system
D. The Registered Professional Engineer shall design the protection system

Answer 12

D. The Registered Professional Engineer shall design the protection system

Question 13

13. What is another name for Sheeting?

A. Piles
B. Struts
C. Uprights
D. Caissons

Answer 13

C. Uprights

Question 14

14. What does “close sheeting” mean in relationship to a shoring system?

A. The span across the width of an excavation
B. The spacing between timber planks not to exceed ½ inch
C. Tongue and groove timber planks at least 3 inches thick
D. The use of a trench box or trench shield while working in the excavation

Answer 14

B. The spacing between timber planks not to exceed ½ inch

Question 15

15. Which piece of equipment and attachment would be the most efficient method to excavate inside a cofferdam?

A. Shovel with a 3-CY bucket
B. Backhoe with a 3-CY bucket
C. Crane with an Auger attachment
D. Crane with a Clamshell attachment

Answer 15

D. Crane with a Clamshell attachment

Question 16

16. Which piece of equipment sits below the excavation and the bucket pushes up?

A. Power Shovel
B. Hydraulic Backhoe
C. Dragline
D. Wheel-Tractor Scraper

Answer 16

A. Power Shovel

Question 17

18. Which piece of equipment has its boom above the structure and lifts the load vertically until it is above the structure, then it can move the load horizontally?

A. Shovel
B. Backhoe
C. Tower Crane
D. Track-Mounted Crane

Answer 17

C. Tower Crane

Question 18

19. Which piece of equipment is most efficient for compacting granular soils such as sand, gravel, and crushed stone?

A. Backhoe
B. Sheepsfoot
C. Smooth-Wheel Roller
D. Wheel-Tractor Scraper

Answer 18

C. Smooth-Wheel Roller

Question 19

20. Which of the following temporary systems is utilized to support freshly placed concrete which is poured continuously in a vertical direction?

A. Slip form system
B. Tilt-up form system
C. Flying form system
D. Lift slab form system

Answer 19

A. Slip form system

Question 20

21. Which of the following temporary systems is utilized to support freshly placed concrete which is poured on the ground as a slab and lifted up to its final horizontal elevation using hydraulic jacks?

A. Slip form system
B. Tilt-up form system
C. Flying form system
D. Lift slab form system

Answer 20

D. Lift slab form system

Question 21

22. What is the concrete pouring method called that is used to pour concrete under water?

A. Tremie
B. Conveyor
C. Direct Chute
D. Underpinning

Answer 21

A. Tremie

Question 22

23. Which organization has published a new design standard targeting loads on structures during construction?

A. American Concrete Institute
B. Concrete Reinforcing Steel Institute
C. American Society for Testing Materials
D. Structural Engineering Institute of the American Society of Civil Engineers

Answer 22

D. Structural Engineering Institute of the American Society of Civil Engineers

Question 23

24. What is the primary cause for a masonry wall to collapse while under construction?

A. Poor soil conditions
B. Lack of vertical reinforcement
C. Lack of horizontal reinforcement
D. Lack of masonry wall bracing and a change in wind conditions

Answer 23

D. Lack of masonry wall bracing and a change in wind conditions

Question 24

1. What is the primary cause for a masonry wall to collapse while under construction?

A. Poor soil conditions
B. Lack of vertical reinforcement
C. Lack of horizontal reinforcement
D. Lack of masonry wall bracing and a change in wind conditions

Answer 24

D. Lack of masonry wall bracing and a change in wind conditions

Question 25

2. Which of the following sling angle ranges is best for lifting without making the lift extremely dangerous?

A. 1 degree to 14 degrees
B. 15 degrees to 30 degrees
C. 31 degrees to 44 degrees
D. 45 degrees to 90 degrees

Answer 25

D. 45 degrees to 90 degrees

Question 26

26. You have an assumed sling angle of 24 degrees but the actual angle is 19 degrees. What effect does this have on the pounds per leg on the sling?

A. The pounds per leg will decrease
B. The pounds per leg will increase
C. The pounds per leg stays constant
D. The pounds per leg does not matter since the cranes lifting capacity is not affected

Answer 26

B. The pounds per leg will increase