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Home Civil Engineering Concrete Technology See What Others Are Saying!
  • Question
  • The minimum percentage of chemical ingredient of cement is that of


  • Options
  • A. magnesium oxide
  • B. iron oxide
  • C. alumina
  • D. lime
  • E. silica.

  • Correct Answer
  • magnesium oxide 


  • More questions

    • 1. Accidental or compensating errors of length L are proportional to

    • Options
    • A. L
    • B. L
    • C.
    • D. 1/L.
    • Discuss
    • 2. Most economical section of a circular channel for maximum discharge

    • Options
    • A. depth of water = 0.95 diameter of circular section
    • B. hydraulic mean depth = 0.286 diameter of circular section
    • C. wetted perimeter = 2.6 diameter of circular section
    • D. wetted perimeter = 2.83 depth of water
    • E. all the above.
    • Discuss
    • 3. If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.1 kg/cm2, the pressure at a depth of 2.5 m, is

    • Options
    • A. 1 metre of water
    • B. 2 metres of water
    • C. 3 metres of water
    • D. 3.5 metres of water
    • E. 4.0 metres of water.
    • Discuss
    • 4. If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying

    • Options
    • A. sine of the angle of inclination with vertical
    • B. cosine of the angle of inclination with vertical
    • C. tangent of the angle of inclination with vertical
    • D. calibration coefficient of the gauge.
    • Discuss
    • 5. In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they

    • Options
    • A. split easily
    • B. are affected by moisture
    • C. both (a) and (b)
    • D. none of these.
    • Discuss
    • 6. The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is

    • Options
    • A. 1 in 6
    • B. 1 in
    • C. 1 in 12
    • D. 1 in 16
    • Discuss
    • 7. Pick up the correct statement from the following :

    • Options
    • A. Rain which is intercepted by buildings, vegetations and other objects, is generally known as rainfall interception
    • B. The difference between the total rainfall and intercepted rainfall, is generally called ground rainfall
    • C. When rainfall exceeds the interception rainfall, water reaches the ground and infiltration starts
    • D. The maximum rate of absorbing water by the soil in any given condition, is known as infiltration capacity
    • E. All the above.
    • Discuss
    • 8. The deficiency in rain catch due to vertical acceleration of air forced upward over the gauge, is

    • Options
    • A. greater for heavy rain
    • B. greater for lighter rain
    • C. greater for large drops
    • D. lesser for small rain drops.
    • Discuss
    • 9. Pick up the correct statement from the following :

    • Options
    • A. mistakes arise from inattention, inexperience or carelessness
    • B. systematic errors persist and have regular effects in the survey performances
    • C. accidental errors occur inspite of every precaution is taken
    • D. all the above.
    • Discuss
    • 10. If s is the potential infiltration, P is rainfall in cm in a drainage of a soil with fair pasture cover, the direct run off Q in cm is given by

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss


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