Civil Quiz

35 Questions

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Civil Quiz

You have 30 questions related to your stream.


Questions and Answers
  • 1. 
    A rectangular beam of length I supported at its two ends carries a central concentrated load W at its centre. The maximum deflection occurs 
    • A. 

      At the ends

    • B. 

      At 1/3 from both ends

    • C. 

      At the mid span

    • D. 

      At 1/4 from both ends

  • 2. 
    If the depth is kept constant for beam of uniform strength then its width will vary proportional to .
    • A. 

      M

    • B. 

      Sqrt(M)

    • C. 

      M^2

    • D. 

      M^3

  • 3. 
    When a beam deflects into a uniform strength then its width will vary proportional to
    • A. 

      I/2R

    • B. 

      I/8R

    • C. 

      I^2 /8R

    • D. 

      I^2 /2d

  • 4. 
    The longitudinal stress in a thin cylindrical shell is
    • A. 

      Pd/4t

    • B. 

      Pd/2t

    • C. 

      Pt/4d

    • D. 

      Pt/2d

  • 5. 
    The ratio of maximum shear stress and average shear stress for a rectangular section is
    • A. 

      1.5

    • B. 

      2

    • C. 

      2.5

    • D. 

      3

  • 6. 
    A fixed beam of span L carries a central point load W.The maximum sagging bending moment in the beam is
    • A. 

      WL/2

    • B. 

      WL/4

    • C. 

      WL/8

    • D. 

      WL/16

  • 7. 
    Air entrainment in the concrete increases
    • A. 

      Workability

    • B. 

      Strength

    • C. 

      The effects of temperature

    • D. 

      The unit weight

  • 8. 
    The relation between modulus of rupture Fcr and characteristic strength of concrete Fck is given by
    • A. 

      Fcr = 0.35 S Fck

    • B. 

      Fcr = 0.5 S Fck

    • C. 

      Fcr = 0.7 S Fck

    • D. 

      Fcr = 1.2 S Fck

  • 9. 
    The compressive strength of 100 mm cube as compared to 150 mm cube is always
    • A. 

      Less

    • B. 

      More

    • C. 

      Equal

    • D. 

      May be any of the above

  • 10. 
    For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory
    • A. 

      Is always less than 1

    • B. 

      Is always greater than 1

    • C. 

      Can be more than 1

    • D. 

      Can be less than 1

  • 11. 
    For bars in tension a standard hook has an anchorage value equivalent to a strength length of
    • A. 

      8

    • B. 

      12

    • C. 

      16

    • D. 

      24

  • 12. 
    Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned work respectively should not be less than
    • A. 

      350 Kg/cm^2 and 420 Kg/cm^2

    • B. 

      420 Kg/cm^2 and 530 Kg/cm^2

    • C. 

      420 Kg/cm^2 and 350 Kg/cm^2

    • D. 

      530 Kg/cm^2 and 420 Kg/cm^2

  • 13. 
    The creep strains are
    • A. 

      Caused due to dead loads only

    • B. 

      Caused due to live loads only

    • C. 

      Caused due to both dead and live load

    • D. 

      Independent of loads

  • 14. 
    Ratio of compressive strength to tensile strength of concrete
    • A. 

      Increases with age

    • B. 

      Decreases with age

    • C. 

      Remains constant

    • D. 

      None of the above

  • 15. 
    In limit state design of concrete for flexure, the area of stress block is taken as
    • A. 

      0.36 Fck Xu

    • B. 

      0.42 Fck Xu

    • C. 

      0.446 Fck Xu

    • D. 

      0.53 Fck Xu

  • 16. 
    The fitness modulus of the fine aggregate is in the range of
    • A. 

      2.0 to 3.5

    • B. 

      3.5 to 5.0

    • C. 

      5.0 to 7.0

    • D. 

      6 to 8.5

  • 17. 
    According to IS:456-1978, the maximum reinforcement in a column is
    • A. 

      2%

    • B. 

      4%

    • C. 

      6%

    • D. 

      8%

  • 18. 
    The minimum cover in a slab should neither be less than the diameter of bar nor less than 
    • A. 

      10 mm

    • B. 

      15 mm

    • C. 

      20 mm

    • D. 

      13 mm

  • 19. 
    If the permissible stress in steel in tension is 140 N/mm^2, Permissible stress in concrete in bending compression is 5N / mm^2. Then the depth of neutral axis for a singly reinforced rectangular balanced section will be
    • A. 

      0.35 d

    • B. 

      0.40 d

    • C. 

      0.45 d

    • D. 

      Dependent on grade of concrete also

  • 20. 
    The slab is designed as one way if the ratio of long span is
    • A. 

      Less than 1

    • B. 

      Between 1 and 1.5

    • C. 

      Between 1.5 and 2

    • D. 

      Greater than 2

  • 21. 
    In any beam when the moment of inertia about the neutral axis is doubled, its deflection is
    • A. 

      Doubled

    • B. 

      Tripled

    • C. 

      Halved

    • D. 

      Minimum

  • 22. 
    The limits of percentage of the longitudinal reinforcement in a column is given by
    • A. 

      0.15% to 2%

    • B. 

      0.8% to 4%

    • C. 

      0.8% to 6%

    • D. 

      0.8% to 8%

  • 23. 
    A common footing provided for two columns is called a
    • A. 

      Mat foundation

    • B. 

      Raft foundation

    • C. 

      Combined footing

    • D. 

      Common foundation

  • 24. 
    For reinforced concrete (M15) members immersed in sea water the cover shall be
    • A. 

      Same as in the usual case

    • B. 

      25 mm more than the cover in the usual cases

    • C. 

      40 mm more than the cover in the usual cases

    • D. 

      50 mm more than the cover in the usual cases

  • 25. 
    The modulus of elasticity of steel is
    • A. 

      150 KN/mm^2

    • B. 

      200 KN/mm^2

    • C. 

      250 KN/mm^2

    • D. 

      275 KN/mm^2

  • 26. 
    The number of rivets for connecting a strut to a gusset plate shall not be less than
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 27. 
    The inclination of a lacing bar with the axis of the compression member shall not exceed
    • A. 

      60

    • B. 

      70

    • C. 

      45

    • D. 

      30

  • 28. 
    To minimize the effect of differential settlement, the area of footing should be designed for
    • A. 

      Dead load only

    • B. 

      Dead load + live load

    • C. 

      Dead load + fraction of live load

    • D. 

      Live load + fraction of dead load

  • 29. 
    A reduction factor Cr, load carrying capacity of a long columns is given by
    • A. 

      Cr = 1.25 - Le/24b

    • B. 

      Cr = 1 - Le/48b

    • C. 

      Cr = 1.25 - Le/48b

    • D. 

      Cr = 1.5 - Le/48b

  • 30. 
    ML^-1 T-2 is the dimension of
    • A. 

      Force

    • B. 

      Pressure

    • C. 

      Energy

    • D. 

      Power

  • 31. 
    Which of the following has highest coefficient of discharge
    • A. 

      Sharp edged orifice

    • B. 

      Venturimeter

    • C. 

      Borda's mouth piece running free

    • D. 

      Cippoletti weir

  • 32. 
    Direct run off is the sum of
    • A. 

      Surface run off and mass flow

    • B. 

      Base flow and ground water run off

    • C. 

      Deployed sub surface run off and deep percolation

    • D. 

      Surface run off and interflow

  • 33. 
    The formula used to calculate maximum flood discharge for deccan catchments is
    • A. 

      Dicken's formula

    • B. 

      Ryve's formula

    • C. 

      Ali Nawab Jung Bahadur formula

    • D. 

      Ingli's formula

  • 34. 
    In Sutro weir the discharge is proportional to
    • A. 

      H

    • B. 

      H^1/2

    • C. 

      H^3/2

    • D. 

      H^5/2

  • 35. 
    Number of rivets required in a joint is
    • A. 

      Load/shear strength of a rivet

    • B. 

      Load/bearing strength of a rivet

    • C. 

      Load/tearing strength of a rivet

    • D. 

      Load/rivet value