Answer the following statements true (T) or false (F)
1. The term prestressed concrete refers to both pretensioned and posttensioned concrete.
2. Reshoring concrete structures are necessary where excessive deflection of floor slabs or foundation settlement is anticipated on removal of shores.
3. The primary purpose of steel reinforcement is to increase the tensile strength of concrete elements. However, steel reinforcement is also used to increase the shear strength and compressive strength of concrete elements.
4. A construction joint in a concrete slab-on-ground is required if the concrete in the slab cannot be placed in one continuous operation.
5. A PT concrete slab-on-ground may either be a ribbed slab or a constant-thickness slab.
1. True
2. False
3. True
4. True
5. True
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Answer the following statement true (T) or false (F)
? Cesar Chavez
What will be an ideal response?
What does the graphical display produced by an oscilloscope represent?
A. Signals in the frequency domain B. Time-domain representation C. Amplitude of each frequency component D. Amplitude characteristics