Concrete Technology - Concrete Technology objective questions and answers


36.  The method of crack sealing of concrete is


   A. Routing

   B. Jacketing

   C. Heeling

   D. Collaring


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A. Routing

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37.  When deep foundation work under water is carried out, the concrete is worked with the method called


   A. Shutter

   B. Tremic

   C. Sonar

   D. Ultramarine


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B. Tremic

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38.  The cohesiveness of concrete mix is related to its


   A. Plasticity

   B. Laitance

   C. Wetness

   D. Viscosity


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A. Plasticity

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39.  The activator of corrosion in concrete is


   A. Hydrogen

   B. Oxygen

   C. Water

   D. Sand


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B. Oxygen

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40.  Strength of concrete is maximum in


   A. Compression

   B. Shear

   C. Twisting

   D. Fatigue


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A. Compression

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