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- Question
The compound of Portland cement which contributes to the strength after two to three years is
Options- A. Tricalcium silicate
- B. Di-calcium silicate
- C. Tricalcium aluminate
- D. Tetracalcium alumino ferrite.
- Correct Answer
- Di-calcium silicate
- 1. Minimum required water cement ratio for a workable concrete, is
Options- A. 0.30
- B. 0.40
- C. 0.50
- D. 0.60
- E. 1.0. Discuss
- 2. The drop manholes are provided in a sewerage system when there is
Options- A. change in alignment of sewer line
- B. change in size of sewers
- C. change in the elevation of ground level
- D. change from gravity system to pressure system Discuss
- 3. Principle involved in the relationship between submerged unit weight and saturated weight of a soil is based on
Options- A. Equilibrium of floating bodies
- B. Archimedes' principle
- C. Stokes' law
- D. Darcy's law Discuss
- 4. In a steady radial flow into an intake, the velocity is found to vary as (1/r2), where r is the radial distance. The acceleration of the flow is proportional to
Options- A. 1/r5
- B. 1/r3
- C. 1/r4
- D. 1/r Discuss
- 5. The cylinder strength of the concrete is less than the cube strength because of
Options- A. the difference in the shape of the cross section of the specimens
- B. the difference in the slendeness ratio of the specimens
- C. the friction between the concrete specimens and the steel plate of the testing machine
- D. the cubes are tested without capping but the cylinders are tested with capping Discuss
- 6. Seasoning is
Options- A. a process of removing sap
- B. creosoting
- C. painting with sodium silicate
- D. coating with tar. Discuss
- 7. Refractory bricks are used for
Options- A. retaining walls
- B. columns
- C. piers
- D. combustion chambers. Discuss
- 8. The most fire resistant paints are :
Options- A. enamel paints
- B. aluminium paints
- C. asbestos paints
- D. cement paints. Discuss
- 9. A pug mill is used for
Options- A. softening brick earth
- B. moulding brick earth
- C. tempering brick earth
- D. providing brick earth
- E. all the above. Discuss
- 10. A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
Options- A. 10%
- B. 15%
- C. 20%
- D. 25%
- E. 5%. Discuss
Building Materials problems
Search Results
Correct Answer: 0.40
Correct Answer: change in the elevation of ground level
Correct Answer: Archimedes' principle
Correct Answer: 1/r5
Correct Answer: the difference in the slendeness ratio of the specimens
Correct Answer: a process of removing sap
Correct Answer: combustion chambers.
Correct Answer: asbestos paints
Correct Answer: tempering brick earth
Correct Answer: 20%
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