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Civil Engineering :: GATE Exam Questions

  1. The stress-strain diagram for two materials A and B is shown below.

    The following statements are made based on this diagram :

    1. Mateiral A is more brittle than material B.
    2. The ultimate strength of material B is more than that of A.

    With reference to the above statements, which of the following applies ?

  2. A.
    Both the statements are false.
    B.
    Both the statements are true.
    C.
    I is true but II is false.
    D.
    I is false but II is true.

  3. Base course is used in rigid pavements for

  4. A.
    prevention of subgrade settlement
    B.
    prevention of slab cracking
    C.
    prevention of pumping
    D.
    prevention of thermal expansion

  5. 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

  6. A.
    M 15
    B.
    M 20
    C.
    M 25
    D.
    M 30

  7. The relationship between the length (l) and radius (r) of an ideal transition curve is given by

  8. A.
    lr
    B.
    lr2
    C.
    l ∝ 1/r
    D.
    l ∝ 1/r2

  9. 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°C is, (assuming coefficient of thermal expansion of concrete as 10 x 10-6 per degree C),

  10. A.
    5 m
    B.
    50 m
    C.
    100 m
    D.
    25 M

  11. Coulomb's theory of earth pressure is based on :

  12. A.
    the theory of elasticity
    B.
    the theory of plasticity
    C.
    empirical rules
    D.
    wedge theory

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

  14. A.
    4 Mp/L
    B.
    Mp/8L
    C.
    6 Mp/L
    D.
    8 Mp/L

  15. The group index of a soil subgrade is 7. The subgrade soil is rated as

  16. A.
    poor
    B.
    very poor
    C.
    good
    D.
    fair

  17. Pipingin soil occurs when

  18. A.
    the soil is highly porous
    B.
    sudden change in permeability occurs
    C.
    effective pressure becomes zero
    D.
    the soil is highly stratified

  19. In which one of the following arrangements would the vertical force on the cylinder due to water be the maximum ?