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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

  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

  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

  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

  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.

  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

  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

  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

  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

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