Creep MCQ

Test your knowledge with important Creep MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Creep MCQs at Bissoy

• Creep ___ as the age of application of load _____
  ক

  Increase, increase

  খ

  Increase, decrease

  গ

  Decrease, decrease

  ঘ

  Decrease, increase
• Aggregate has therefore a direct effect on the long-term deformations of concrete because __________
  ক

  Low elastic modulus aggregate will produce a stiffer concrete that will have relatively higher resistance to deformation

  খ

  High elastic modulus aggregate will produce a stiffer concrete that will have relatively higher resistance to deformation

  গ

  High elastic modulus aggregate will produce a stiffer concrete that will have relatively lower resistance to deformation

  ঘ

  Low elastic modulus aggregate will produce a stiffer concrete that will have relatively lower resistance to deformation
• When concrete is loaded it experiences a large strain upon loading known as _____________
  ক

  Differential elastic strain

  খ

  Instantaneous elastic strain

  গ

  Differential inelastic strain

  ঘ

  Instantaneous inelastic strain
• According to Lamond and Pielert, it’s the ____ that exhibits creep upon application of load on a concrete specimen.
  ক

  Aggregates

  খ

  Water

  গ

  Cement paste

  ঘ

  Admixtures
• If the stress is removed, the specimen shows an instantaneous recovery strain ___ the elastic strain on loading.
  ক

  Higher than

  খ

  Lower than

  গ

  Equal to

  ঘ

  Much greater than
• This strain increases over time due to _________
  ক

  Creep

  খ

  Elastic modulus

  গ

  Short term modulus of elasticity

  ঘ

  Long term modulus of elasticity
• Concrete exhibits initial elastic strain which depends on __________
  ক

  Magnitude of applied stress

  খ

  Rate of applied stress

  গ

  Magnitude and rate of applied stress

  ঘ

  Elastic modulus
• If θ is creep coefficient then what is Elong?
  ক

  Eshort /(1+θ)

  খ

  Eshort *(1+θ)

  গ

  Eavg /(1+θ)

  ঘ

  Eavg *(1+θ)
• If the creep effect is considered at a given load, the modulus determined is referred to as ______
  ক

  Short term modulus of elasticity

  খ

  Elasticity

  গ

  Long term modulus of elasticity

  ঘ

  Creep effect
• Creep is ____________
  ক

  Time dependent

  খ

  Time independent

  গ

  Pressure dependent

  ঘ

  Temperature dependent
• Diffusion creep is a type of creep. The slope of a strain-time graph increases with the increase in temperature.
  ক

  True

  খ

  False
• What is the nature of the curve of a viscous creep?
  ক

  Parabola

  খ

  Hyperbola

  গ

  Straight line passing through an origin

  ঘ

  Circle
• Above what temperature is the phenomenon of creep important in steel?
  ক

  200 °C

  খ

  500 °C

  গ

  300 °C

  ঘ

  600 °C
• Creep depends on temperature.
  ক

  True

  খ

  False
• In which of the following stages do the deformation rate increases and causes failure?
  ক

  Transient creep stage

  খ

  Constant creep stage

  গ

  Fracture stage

  ঘ

  Steady stage creep stage
• In which of the stages, do we observe a constant deformation rate?
  ক

  Transient creep stage

  খ

  Constant creep stage

  গ

  Fracture stage

  ঘ

  Steady stage creep stage
• Which of the following stage is also known as the unstable stage?
  ক

  Transient creep stage

  খ

  Constant creep stage

  গ

  Fracture stage

  ঘ

  Steady stage creep stage
• Which of the following isn’t a stage of creep?
  ক

  Transient creep stage

  খ

  Constant creep stage

  গ

  Fracture stage

  ঘ

  Steady stage creep stage
• Which of the following is a slow rise of plastic deformation under the action of shear stresses when it is below the yield strength of the material?
  ক

  Brittle fracture

  খ

  Ductile fracture

  গ

  Creep

  ঘ

  Fatigue