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MCQs

Total Questions : 250 | Page 6 of 25 pages
Question 51.

For a fixed beam with span L, having plastic moment capacity of Mp, the ultimate central concentrated load will be


  1.    4 Mp/L
  2.    Mp/8L
  3.    6 Mp/L
  4.    8 Mp/L
 Discuss Question
Answer: Option D. -> 8 Mp/L


Question 52.

Coulomb's theory of earth pressure is based on :



  1.    the theory of elasticity
  2.    the theory of plasticity
  3.    empirical rules
  4.    wedge theory
 Discuss Question
Answer: Option D. -> wedge theory


Question 53.

A
reinforced concrete structure has to be constructed along a sea coast.
The minimum grade of concrete to be used as per IS : 456-2000



  1.    M 15
  2.    M 20
  3.    M 25
  4.    M 30
 Discuss Question
Answer: Option D. -> M 30


Question 54.

The
width of expansion joint gap is 2.5 cm in a cement concrete pavement.
The spacing between expansion joints for a maximum rise in temperature
of `25^circ`C is, (assuming coefficient of thermal expansion of concrete as 10
x 10-6 per degree C),




  1.    5 m
  2.    50 m
  3.    100 m
  4.    25 M
 Discuss Question
Answer: Option A. -> 5 m


Question 55.


Base course is used in rigid pavements for



  1.    prevention of subgrade settlement
  2.    prevention of slab cracking
  3.    prevention of pumping
  4.    prevention of thermal expansion
 Discuss Question
Answer: Option C. -> prevention of pumping


Question 56.

The type of surveying in which the curvature of the earth is taken into account is called



  1.    Geodetic surveying
  2.    Plane surveying
  3.    Preliminary surveying
  4.    Topographical surveying
 Discuss Question
Answer: Option A. -> Geodetic surveying


Question 57.


A foundation is considered as shallow if its depth is :



  1.    less than 1 metre
  2.    greater than its width
  3.    equal to or less than its width
  4.    greater than 1 metre
 Discuss Question
Answer: Option C. -> equal to or less than its width


Question 58.

The
return period for the annual maximum flood of a given magnitude is 8
years. The probability that this flood magnitude will be exceeded once
during the next 5 years is




  1.    0.625
  2.    0.966
  3.    0.487
  4.    0.529
 Discuss Question
Answer: Option C. -> 0.487


Question 59.


A soil formation
through which only seepage is possible, being partly permeable and
capable of giving insignificant yield, is classified as



  1.    Aquifer
  2.    Aquitard
  3.    Aquifuge
  4.    Aquiclude
 Discuss Question
Answer: Option B. -> Aquitard


Question 60.


The function of ballast in railaway tracks is to



  1.    facilitate drainage
  2.    serve as an elastic support for the track structure
  3.    provide the necessary resilience against the dynamic effect of the loads
  4.    all the above
 Discuss Question
Answer: Option D. -> all the above


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