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Civil Engineering :: UPSC Civil Service Exam Questions

  1. Which one of the following is not essential to derive the formula used in constructing a synthetic unit hydrograph ?

  2. A.
    Time to peak
    B.
    peakflow
    C.
    Inter flow
    D.
    Time lease

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  3. In an aerial puhotogrammetric survey, if the exposure interval is 20 seconds to cover ground distance of 1000 m between exposures, what would be the ground speed of the aircraft ?

  4. A.
    90 km/hour
    B.
    120 km/hour
    C.
    150 km/hour
    D.
    180 km/hour

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  5. The head over a 90° V-notch weir increases from 0.15 m to 0.3 m. The ratio of new discharge to the original discharge is, nearly equal to

  6. A.
    5.65
    B.
    1.42
    C.
    4.0
    D.
    2.62

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  7. Consider the following statements with ragard to crack formation and its control:
    1. The surface width of the crack should not, in general, exceed 0.30 mm for structures not subjected to aggressive environment.
    2. When depth of web in a beam exceeds 750 mm, side face reinforcement @ 0.1 percent of web area should be provided on each face.
    3. The nominal spacing of main bars in a slab should not exceed three times the effective depth of a solid slab or 300 mm, whichever is smaller.
    Which of the statements given above is/are correct ?

  8. A.
    1 only
    B.
    1 and 2
    C.
    1 and 3
    D.
    2 and 3

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  9. A rigid bar is supported by a spring as shown in the given figure.

    The deflection of the point B will be

  10. A.
    10 mm upward
    B.
    20 mm downward
    C.
    5 mm upward
    D.
    40 mm downward.

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  11. Undrained strength of a clay soil can be obtained by conducting which of the following tests ?
    1. UC test
    2. Vane sheer test
    3. Cyclic triaxial test
    4. Slow direct sheer test
    Select the correct answer using the code given below :

  12. A.
    1 and 2 only
    B.
    2 only
    C.
    1 and 4
    D.
    1, 2 and 3

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  13. Which one of the following is the nominal size of standard modular brick ?

  14. A.
    25cm x 13cm x 8cm
    B.
    25cm x 10cm x 8cm
    C.
    20cm x 10cm x 10cm
    D.
    20cm x 15cm x 10cm

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  15. What is the ratio of rate of back-washing to that of filtration in a typical rapid sand filter ?

  16. A.
    2
    B.
    4
    C.
    6
    D.
    10

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  17. A point in an element is stressed as shown in the given figure. What is the value of normal stress on the oblique plane BE ?

  18. A.
    200 N / mm2
    B.
    175 N / mm2
    C.
    150 N / mm2
    D.
    100 N / mm2

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  19. What is the maximum bending moment at mid-span of the beam given below ?

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