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  • Question

  • Two samples of water A and B have pH values of 4.4 and 6.4 respectively. How many times more acidic sample A is than sample B?


  • Options
  • A. 0
  • B. 50
  • C. 100
  • D. 200

  • Correct Answer
  • 100 

    • GATE Exam Questions problems

    Search Results

    • 1. The most commonly used sampler for obtaining a disturbed sample of the soil is

    • Options
    • A. split spoon sampler
    • B. open drive sampler
    • C. piston sampler
    • D. thin wall shelby tube sampler
      • Discuss
    • 2. The modulus of rupture of concrete gives

    • Options
    • A. the direct tensile strength of the concrete
    • B. the direct compressive strength of the concrete
    • C. the tensile strength of the concrete under bending
    • D. the characteristic strength of the concrete
      • Discuss
    • 3. The expression for the specific speed of a pump :

    • Options
    • A. does not include the diameter of the impeller
    • B. yields larger values for radial pumps than for axial flow pump
    • C. is necessarily non dimensional
    • D. includes power as one of the variables
      • Discuss
    • 4. The temporary hardness of water, is caused by:

    • Options
    • A. dissolved carbondioxide
    • B. bicarbonates and carbonates of calcium and magnesium
    • C. bicarbonates of sodium and potassium
    • D. carbonates of calucium and magnesium
      • Discuss
    • 5. At the same mean velocity, the ratio of head loss per unit length for a sewer pipe flowing full to that for the same pipe flowing half full would be :

    • Options
    • A. 2.0
    • B. 1.63
    • C. 1.00
    • D. 0.61
      • Discuss
    • 6. A direct runoff hydrograph due to an isolated storm with an effective rainfall of 2 cm was trapezoidal in shape as shown in the below figure. The hydrograph corresponds to a catchment area (in sq. km) of

    • Options
    • A. 790.2
    • B. 599.4
    • C. 689.5
    • D. 435.3
      • Discuss
    • 7. The main constituents of gas generated during the anaerobic digestion of sewage sludge are :

    • Options
    • A. carbon dioxide and methane
    • B. methane and ethane
    • C. carbon dioxide and carbon monoxide
    • D. carbon monoxide and nitrogen
      • Discuss
    • 8. The specific gravity of paving bitumen as per IS:73-1992 lies between

    • Options
    • A. 1.10 and 1.06
    • B. 1.06 and 1.02
    • C. 1.02 and 0.97
    • D. 0.97 and 0.92
      • Discuss
    • 9. If soil is dried beyond its shrinkage limit, it will show :

    • Options
    • A. Large volume change
    • B. Moderate volume change
    • C. Low volume change
    • D. No volume change
      • Discuss
    • 10. The degree of kinematic indeterminacy of the rigid frame with clamped ends at A and D shown in the below figure is,

    • Options
    • A. 4
    • B. 3
    • C. 2
    • D. zero
      • Discuss

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