Reinforced Concrete Practice Test 3
You have 50 minutes to complete this test.
- 1.
Precautions for cold weather concrete should be followed when the mean daily temperature falls to ______degrees Fahrenheit.
- A.
32
- B.
40
- C.
45
- D.
50
Correct Answer
B. 40Explanation
ICC Concrete Manual pg 254Rate this question:
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- 2.
A Swiss Hammer operates on the principle that the rebound of a spring-loaded steel plunger striking the surface of concrete is proportional to the ______ of that concrete.
- A.
Area
- B.
Temperature
- C.
Strength
- D.
Slump
Correct Answer
C. StrengthExplanation
ICC Concrete Manual section 3.9Rate this question:
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- 3.
A Swiss Hammer is a quick _______ test that can be used for determination of the approximate _______ strength of concrete in place, but it cannot be used to replace properly conducted cylinder or core tests.
- A.
Nondestructive, compressive
- B.
Destructive, compressive
Correct Answer
A. Nondestructive, compressiveExplanation
ICC Concrete Manual section 3.9Rate this question:
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- 4.
Which of the following is not important for hot weather concrete precautions?
- A.
Paint truck mixers white or light in color
- B.
Sprinkle course aggregate stockpiles
- C.
Schedule
- D.
Break truck arrival time
Correct Answer
D. Break truck arrival timeExplanation
ICC Concrete Manual Table 19.1Rate this question:
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- 5.
The approximate percent of 28 day compressive strength loss between concrete that is cured at 73 and 42 degrees F is:
- A.
75
- B.
25
- C.
50
- D.
10
Correct Answer
B. 25Explanation
ICC Concrete Manual Figure 19-5Rate this question:
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- 6.
For concrete with Type III cement the time period for curing is ____ than for concrete with Type I cement.
- A.
Shorter
- B.
Longer
Correct Answer
A. ShorterExplanation
ICC Concrete Manual section 17.7Rate this question:
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- 7.
After the contractor has been notified of discrepancies and they are not corrected, the discrepancies shall be brought to the attention of the _______ and to the registered design professional in responsible charge prior to the completion of that phase of work.
- A.
Project manager
- B.
Building official
Correct Answer
B. Building officialExplanation
IBC Ch 17, 1704.1.2Rate this question:
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- 8.
________ verification and inspection is required for shape of formwork, location and dimensions of the concrete member being formed.
- A.
Continuous
- B.
Periodic
- C.
Post
- D.
Full time
Correct Answer
B. PeriodicExplanation
IBC Ch 17, Table 1704.4Rate this question:
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- 9.
Special inspections shall not be required for isolated spread footings of buildings ____ stories or less in height that are fully supported on earth or rock.
- A.
3
- B.
2
- C.
1
- D.
4
Correct Answer
A. 3Explanation
IBC Ch 17, 1704.4 exception 1Rate this question:
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- 10.
If a concrete foundation wall is constructed in accordance with table 1805.5(5), special inspection is not required.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
IBC Ch 17, 1704.4 exception 4Rate this question:
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- 11.
Special inspectors shall inspect all work according to the Statement of Special Inspections for which they are responsible for conformance with the _______ approved (stamped) plans and specifications and applicable provisions of IBC Section 1704.
- A.
Engineer
- B.
Building department
- C.
Owner
- D.
Contractor
Correct Answer
B. Building departmentExplanation
Model Program page 5Rate this question:
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- 12.
Refer to the Model Program for special inspection. All of the following are duties and responsibilities of the special inspector except:
- A.
Instruct workers on how to do their job
- B.
Signify presence at jobsite
- C.
Provide timely progress reports
- D.
Submit a final report
Correct Answer
A. Instruct workers on how to do their jobExplanation
Model Program page 5Rate this question:
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- 13.
In reference to seismic design: A hook on a stirrup, hoop, or crosstie having a bend not less than 135 degrees, except that ______ hoops shall have a bend not less than 90 degrees.
- A.
Small
- B.
Large
- C.
Round
- D.
Circular
Correct Answer
D. CircularExplanation
ACI 318 page 306 21.1 definitionsRate this question:
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- 14.
In reference to seismic designed hooks shall have a six-diameter (but not less than ____ inches) extension that engages the longitudinal reinforcement and projects into the interior of the stirrup or hoop.
- A.
2
- B.
3
- C.
1
- D.
1.5
Correct Answer
B. 3Explanation
ACI 318 page 306 21.1 definitionsRate this question:
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- 15.
In reference to seismic designed hoops being provided for frame members, the first hoop shall be located not more than ____ in. form the face of a supporting member.
- A.
1.5
- B.
3
- C.
2
- D.
1
Correct Answer
C. 2Explanation
ACI 318 21.3.3.2Rate this question:
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- 16.
The top mark on an ASTM standard reinforcing bar indicates _______.
- A.
Type of steel
- B.
Producing mill
- C.
Minimum yield strength
- D.
Bar size
Correct Answer
B. Producing millExplanation
ICC Concrete Manual pg 227Rate this question:
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- 17.
A separation between adjoining parts of a concrete structure, usually a vertical plane at a designed location to allow relative movement in three directions and avoid formation of cracks elsewhere in the concrete and through which all or part of the bonded reinforcement is interrupted is a ________ joint.
- A.
Construction
- B.
Contraction
- C.
Isolation
- D.
Saw cut
Correct Answer
C. IsolationExplanation
ACI 318 page 31Rate this question:
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- 18.
Concrete that has been retempered can only be used when approved by the _______.
- A.
Building official
- B.
General contractor
- C.
Architect
- D.
Engineer
Correct Answer
D. EngineerExplanation
ACI 318 page 70, 5.10.4Rate this question:
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- 19.
Which type of steel can be identified with two grade lines?
- A.
Grade 75
- B.
Grade 60
- C.
Grade 40
- D.
Grade 420
Correct Answer
A. Grade 75Explanation
ICC Concrete Manual pg 227Rate this question:
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- 20.
Construction joints in floor slabs should be ________.
- A.
Offset a minimum distance of two times the width the slab span
- B.
Within the outer third of the slab span
- C.
Within the middle third of the slab span
Correct Answer
C. Within the middle third of the slab spanExplanation
ACI 318 page 77, 6.4.4Rate this question:
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- 21.
The tolerance for d for an eight inch continuous footing section is ______.
- A.
+/- 1/2 inch
- B.
+/- 3/4 inch
- C.
+/- 3/8 inch
- D.
+/- 1 inch
Correct Answer
C. +/- 3/8 inchExplanation
ACI 318 page 81, 7.5.2.1Rate this question:
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- 22.
A conduit line embedded in exterior concrete must have a minimum cover of ______.
- A.
2 inch
- B.
1 ½ inch
- C.
1 inch
- D.
3/4 inch
Correct Answer
B. 1 ½ inchExplanation
ACI 318 page 76, 6.3.10Rate this question:
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- 23.
_____ is the minimum bend diameter for an ASTM standard #7 reinforcing bar.
- A.
2 db
- B.
4 db
- C.
6 db
- D.
8 db
Correct Answer
C. 6 dbExplanation
ACI 318 page 80, table 2Rate this question:
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- 24.
There are six longitudinal #4 bars in the bottom mat of a grade beam. What is the required minimum clear spacing between these bars?
- A.
1 1/2 inch
- B.
1 inch
- C.
3/4 inch
- D.
1/2 inch
Correct Answer
B. 1 inchExplanation
ACI 318 page 82, 7.6.1Rate this question:
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- 25.
A pipe that is embedded in an interior concrete slab can not be larger than _____ in diameter and must be spaced a minimum of _____ apart.
- A.
2 inches, 3 inches
- B.
1 ½ inches, 3 diameters clear
- C.
1/3 of the overall slab thickness, 1 1/2 inches
- D.
2 inches, 3 diameters on center
Correct Answer
D. 2 inches, 3 diameters on centerExplanation
ACI 318 page 76, 6.3.6.3Rate this question:
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Mar 21, 2023Quiz Edited by
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Dec 07, 2009Quiz Created by
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