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  • Question
  • 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),


  • Options
  • A. 5 m
  • B. 50 m
  • C. 100 m
  • D. 25 M

  • Correct Answer
  • 5 m 


  • GATE Exam Questions problems


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

    • Options
    • A. poor
    • B. very poor
    • C. good
    • D. fair
    • Discuss
    • 2. The relationship between the length (l) and radius (r) of an ideal transition curve is given by

    • Options
    • A. l ? r
    • B. l ? r2
    • C. l ? 1/r
    • D. l ? 1/r2
    • Discuss
    • 3. The shape of clay particle is usually

    • Options
    • A. angular
    • B. flaky
    • C. tubular
    • D. rounde
    • Discuss
    • 4. The type of surveying in which the curvature of the earth is taken into account is called

    • Options
    • A. Geodetic surveying
    • B. Plane surveying
    • C. Preliminary surveying
    • D. Topographical surveying
    • Discuss
    • 5. What is the equivalent single wheel load of a dual wheel assembly carrying 20, 440 N each for pavement thickness of 20 cm? Centre to centre spacing of tyres is 27 cm and the distance between the walls of tyres is 11 cm

    • Options
    • A. 27, 600 N
    • B. 32, 300 N
    • C. 40, 880 N
    • D. 30, 190 N
    • Discuss
    • 6. The shape factor of the section shown in the below figure is

    • Options
    • A. 1.5
    • B. 1.12
    • C. 2
    • D. 1.7
    • Discuss
    • 7. If, for a fluid in motion, pressure at a point is same in all directions, then the fluid is :

    • Options
    • A. a real fluid
    • B. a Newtonian fluid
    • C. an ideal fluid
    • D. a non-Newtonian fluid
    • Discuss
    • 8. Sand drains are used to :

    • Options
    • A. reduce the settlement
    • B. accelerate the consolidation
    • C. increase the permeability
    • D. transfer the load
    • Discuss
    • 9. The unit for coefficient of subgrade modulus is

    • Options
    • A. kN/m3
    • B. kN/m2
    • C. kN/m
    • D. kN.m
    • Discuss
    • 10. In a BOD test using 5% dilution of the sample (15 ML of sample and 285 mL of dilution water), dissolved oxygen values for the sample and dilution water blank bottles after five days incubation at 20°C were 3.80 and 8.80 mg/L. respectively. Dissolved oxygen originally present in the undiluted sample was 0.80 mg/L. The 5-day 20°C BOD of the sample is

    • Options
    • A. 116 mg/L
    • B. 108 mg/L
    • C. 100 mg/L
    • D. 92 Mg/L
    • Discuss


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