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Civil Engineering
1000 Prestressed Concrete Structures
Quiz 2
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Q.1
If the direct stresses are compressive, then the magnitude of principal stresses in prestressed concrete member gets __________
a) Zero
b) Increased
c) Decreased
d) Constant
Q.2
The ultimate shear resistance of prestressed concrete with web shear cracking but without flexural crakes & mainly governed by __________
a) Zero
b) Limiting value
c) Infinity
d) Constant value
Q.3
The failure of prestressed concrete member without additional un tensioned reinforcement, to that of plain concrete is?
a) 1
b) Zero
c) 4
d) Less
Q.4
In the anchorage zone or the end block of a post tensioned prestressed concrete element, the state of stress distribution is considered as ____________
a) Unity
b) Zero
c) Complex
d) Easy
Q.5
The short term deflections of prestressed members of class-1 and class-2 types under service loads are influenced by?
a) Depth of prestressing force
b) Magnitude of prestressing force
c) Eccentricity of prestressing force
d) Length of prestressing force
Q.6
Due to presence of precompression, prestressed concrete is ideally suited for the design of members subjected to ____________
a) Prestressed tension
b) Principle stress
c) Bonded stress
d) Axial tension
Q.7
Due to the effect of composite action sizes of precast prestressed units can be ______________
a) Serviced
b) Increased
c) Deducted
d) Reduced
Q.8
The maximum permissible stresses are mainly governed by ___________
a) Principle stresses
b) Ultimate stress
c) Compressive stresses
d) Tensile stresses
Q.9
Long span continuous prestressed concrete bridges are built of which type of box girders?
a) 4 celled
b) Multi celled
c) 3 celled
d) Single celled
Q.10
Another example of application of prestressed concrete in buildings can be seen in construction of __________
a) 11 – storied structure
b) 12 – storied structure
c) 10 – storied structure
d) 14 – storied structure
Q.11
The grade of concrete used for construction of prestressed concrete structures is?
a) Design mix concrete
b) Fully mix concrete
c) Partially mix concrete
d) Heavy mix concrete
Q.12
Prestressed concrete has more or less replaced ____________
a) Prestressed concrete
b) Aluminium concrete
c) Voids concrete
d) Reinforced concrete
Q.13
An example to plan aircraft hanger using prestressed concrete which is ideally suitable for large spans?
a) Spain airlines airbus hanger
b) American airlines airbus hanger
c) Africa airlines airbus hanger
d) Indian airlines airbus hanger
Q.14
An example of the application of prestressed concrete in aqueducts in India is?
a) Penna
b) Krishna
c) Yamuna
d) Gomati
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