In prestressed concrete

A Forces of tension and compression change but lever arm remains unchanged
B Forces of tension and compression remains unchanged but lever arm changes with the moment
C Both forces of tension and compression as well as lever arm changes
D Both forces of tension and compression as well as lever arm remains unchanged

Correct Answer: Forces of tension and compression remains unchanged but lever arm changes with the moment

Bissoy MCQ
#Civil Engineering #Concrete Technology And Design Of Concrete Structures

Related Questions

For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is
A 1
B 2
C 3
D 4
In prestressed concrete structures the primary problem is damaged caused to ____________
A Bridge decks
B Spans
C Anchorages
D Ridges
Maintaining prestressed concrete structures of various types in a fit and serviceable condition is primary function of ____________
A Maintenance engineer
B Design engineer
C Surface engineer
D Structural engineer
Prestressed concrete structures showing visible signs of distress in the form of ____________
A Surface cracks
B Patterns
C Patches
D None of the mentioned
How does the strength of concrete differ with age of concrete?
A Increases
B Decreases
C No effect
D Increases, then decreases
If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then
A d = 0.445 a
B d = 0.557 a
C d = 0.775 a
D None of these
The maximum shear stress (q) in concrete of a reinforced cement concrete beam is
A $$\frac{{{\text{Shear force}}}}{{{\text{Lever arm}} \times {\text{Width}}}}$$
B $$\frac{{{\text{Lever arm}}}}{{{\text{Shear force}} \times {\text{Width}}}}$$
C $$\frac{{{\text{Width}}}}{{{\text{Lever arm}} \times {\text{Shear force}}}}$$
D $$\frac{{{\text{Shear force}} \times {\text{Width}}}}{{{\text{Lever arm}}}}$$
Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
A Tensile strength
B Compressive strength
C Young's modulus
D Thermal co-efficient of expansion
If we want concrete proof, we are looking for ----
A clear evidence
B building material
C a cement mixer
D something to cover a path
If we want concrete proof, we are looking for-----.
A Building material
B Something to cover a path
C Clear evidence
D A cement Mixer

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