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Civil Engineering :: Highway Engineering

  1. The desirable length of overtaking zone as per IRC recommendation is equal to

  2. A.

     overtaking sight distance

    B.

     two times the overtaking sight distance

    C.

     three times the overtaking sight distance

    D.

     five times the overtaking sight distance


  3. Most suitable material for highway embankments is

  4. A.

     granular soil

    B.

     organic soil

    C.

     silts

    D.

     clays


  5. For design, that length of transition curve should be taken which is

  6. A.

     based on allowable rate of change of centrifugal acceleration

    B.

     based on rate of change of super elevation

    C.

     higher of (A) and (B)

    D.

     smaller of (A) and (B)


  7. When the speed of traffic flow becomes zero,then

  8. A.

     traffic density attains maximum value whereas traffic volume becomes zero

    B.

     traffic density and traffic volume both attain maximum value

    C.

     traffic density and traffic volume both become zero

    D.

     traffic density becomes zero whereas traffic volume attains maximum value


  9. Percentage of free carbon in bitumen is

  10. A.

     more than that in tar

    B.

     less than that in tar

    C.

     equal to that in tar

    D.

     none of the above


  11. If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression

  12. A.

     0.38 N V3/2

    B.

     0.38 (NV3)”2

    C.

     3.8 NV”2

    D.

     3.8 (NV3)”2


  13. RC-2, MC-2 and SC-2 correspond to

  14. A.

     same viscosity

    B.

     viscosity in increasing order from RC-2 to SC-2

    C.

     viscosity in decreasing order from RC-2 to SC-2

    D.

     none of the above


  15. Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is

  16. A.

     1.0

    B.

     2.0

    C.

     0.5

    D.

     10


  17. When two equally important roads cross roughly at right angles, the suitable shape of central island is

  18. A.

     circular

    B.

     elliptical

    C.

     tangent

    D.

     turbine


  19. Which of the following is considered to be the highest quality construction in the group of black top pavements?

  20. A.

     Mastic asphalt

    B.

     Sheet asphalt

    C.

     Bituminous carpet

    D.

     Bituminous concrete