Concrete Technology Questions and Answers – Creep

This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Creep”.

1. Creep is ____________
a) Time dependent
b) Time independent
c) Pressure dependent
d) Temperature dependent
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2. If the creep effect is considered at a given load, the modulus determined is referred to as ______
a) Short term modulus of elasticity
b) Elasticity
c) Long term modulus of elasticity
d) Creep effect
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3. If θ is creep coefficient then what is E_long?
a) E_short /(1+θ)
b) E_short *(1+θ)
c) E_avg /(1+θ)
d) E_avg *(1+θ)
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4. Concrete exhibits initial elastic strain which depends on __________
a) Magnitude of applied stress
b) Rate of applied stress
c) Magnitude and rate of applied stress
d) Elastic modulus
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5. This strain increases over time due to _________
a) Creep
b) Elastic modulus
c) Short term modulus of elasticity
d) Long term modulus of elasticity
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6. If the stress is removed, the specimen shows an instantaneous recovery strain ___ the elastic strain on loading.
a) Higher than
b) Lower than
c) Equal to
d) Much greater than
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7. According to Lamond and Pielert, it’s the ____ that exhibits creep upon application of load on a concrete specimen.
a) Aggregates
b) Water
c) Cement paste
d) Admixtures
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8. When concrete is loaded it experiences a large strain upon loading known as _____________
a) Differential elastic strain
b) Instantaneous elastic strain
c) Differential inelastic strain
d) Instantaneous inelastic strain
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9. Aggregate has therefore a direct effect on the long-term deformations of concrete because __________
a) Low elastic modulus aggregate will produce a stiffer concrete that will have relatively higher resistance to deformation
b) High elastic modulus aggregate will produce a stiffer concrete that will have relatively higher resistance to deformation
c) High elastic modulus aggregate will produce a stiffer concrete that will have relatively lower resistance to deformation
d) Low elastic modulus aggregate will produce a stiffer concrete that will have relatively lower resistance to deformation
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10. Creep ___ as the age of application of load _____
a) Increase, increase
b) Increase, decrease
c) Decrease, decrease
d) Decrease, increase
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Sanfoundry Global Education & Learning Series – Concrete Technology.

To practice all areas of Concrete Technology, here is complete set of 1000+ Multiple Choice Questions and Answers.

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