Reinforced Concrete Practice Test 3

25 Questions  I  By Dduarte
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1.  Precautions for cold weather concrete should be followed when the mean daily temperature falls to ______degrees Fahrenheit. 
A.
B.
C.
D.
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.
B.
C.
D.
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.
B.
4.  Which of the following is not important for hot weather concrete precautions?
A.
B.
C.
D.
5.  The approximate percent of 28 day compressive strength loss between concrete that is cured at 73 and 42 degrees F is: 
A.
B.
C.
D.
6.  For concrete with Type III cement the time period for curing is ____ than for concrete with Type I cement. 
A.
B.
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.
B.
8.  ________ verification and inspection is required for shape of formwork, location and dimensions of the concrete member being formed. 
A.
B.
C.
D.
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.
B.
C.
D.
10.  If a concrete foundation wall is constructed in accordance with table 1805.5(5), special inspection is not required.
A.
B.
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.
B.
C.
D.
12.  Refer to the Model Program for special inspection.  All of the following are duties and responsibilities of the special inspector except:
A.
B.
C.
D.
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.
B.
C.
D.
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.
B.
C.
D.
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.
B.
C.
D.
16.  The top mark on an ASTM standard reinforcing bar indicates _______.  
A.
B.
C.
D.
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.
B.
C.
D.
18.  Concrete that has been retempered can only be used when approved by the _______.
A.
B.
C.
D.
19.  Which type of steel can be identified with two grade lines?
A.
B.
C.
D.
20.  Construction joints in floor slabs should be ________.
A.
B.
C.
21.  The tolerance for d for an eight inch continuous footing section is ______.
A.
B.
C.
D.
22.  A conduit line embedded in exterior concrete must have a minimum cover of ______.
A.
B.
C.
D.
23.  _____ is the minimum bend diameter for an ASTM standard #7 reinforcing bar.
A.
B.
C.
D.
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.
B.
C.
D.
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.
B.
C.
D.
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