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RRB/SSC JE Civil 2019 | Highway Quiz 6
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Question 1
In revised CBR design method recommended by the IRC for the design of flexible pavement, the total thickness depends upon
Question 2
Consider the following statements regarding pavements:
1) Rigid pavements are more suitable than flexible pavements for stage construction.
2) Rigid pavements are more affected by temperature variations than flexible pavements.
3) In a flexible pavement, any deformation in the top layers is transferred to underlaid layers; but, in rigid pavements, there is slab or beam action due to which any deformation is only in the top layer of the concrete slab.
Which of the above statements are correct?
1) Rigid pavements are more suitable than flexible pavements for stage construction.
2) Rigid pavements are more affected by temperature variations than flexible pavements.
3) In a flexible pavement, any deformation in the top layers is transferred to underlaid layers; but, in rigid pavements, there is slab or beam action due to which any deformation is only in the top layer of the concrete slab.
Which of the above statements are correct?
Question 3
The variation of rigidity factor for a tyre pressure is stated as:
Question 4
The contact pressure Pc; tyre pressure P and rigidity factor R are related by
Question 5
Which of the following is considered to be theoretical method of pavement design?
Question 6
Read the following statements carefully
Statement I: The most widely used test for design of rigid pavements is the California Bearing Ratio (CBR) test.
Statement II: CBR test can be used for evaluating soil strength properties such as cohesion and internal friction.
Choose the correct option
Statement I: The most widely used test for design of rigid pavements is the California Bearing Ratio (CBR) test.
Statement II: CBR test can be used for evaluating soil strength properties such as cohesion and internal friction.
Choose the correct option
Question 7
Flexible pavements distribute the wheel loads
Question 8
A plate load test was conducted on 30 cm diameter plate. Load corresponding to deflection of 1.25 mm is 2250π kg. Then modulus of subgrade reaction using 75 cm plate is (kg/cm3)
Question 9
If the pressure carried by a CBR specimen at 2.5 m penetration is 3.0 N/mm2, the CBR of the soil is __________%. (diameter of plunger, d = 50mm )
Question 10
The initial concavity in the load-penetration curve of a CBR test is NOT due to
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Jul 14ESE & GATE CE
