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Cards In This Set
| Front | Back |
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Concrete has no form of its own or tensile strength. T/F?
|
T
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Hydraulic cements are capable of hardening under water. T/F?
|
T
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Excess clay and silt in an aggregate tend to cohere to other aggregate particles. T/F?
|
F
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The water-cement ratio should be the highest value required to meet concrete design considerations. T/F?
|
F
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In a vibration test, high velocities indicate a very good concrete. T/F?
|
T
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A batch is the amount of concrete mixed at one time. T/F?
|
T
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Concrete that is protected and kept moist for seven days has about twice the compressive strength of unprotected concrete. T/F?
|
T
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Concrete and steel have about the same tensile strength. T/F?
|
F
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A shore is a column whose length can be adjusted. T/F?
|
T
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Wall panels made using tilt-up construction techniques cannot bear loads. T/F?
|
F
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Nonprestressed units are reinforced in the same manner as cast-in-place concrete. T/F?
|
T
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When under load, a pretensioned member tends to move toward an arched position. T/F?
|
F
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Most precast concrete columns are prestressed. T/F?
|
F
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Precast prestressed concrete beams and girders can be used in any building in which precast construction is desired. T/F?
|
T
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Prestressed concrete members must never be lifted by their center only. T/F?
|
T
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