Civil Engineering : Building Materials And Construction QUESTIONS AND ANSWERS :: part4 : 16 to 20
Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.The most common admixture which is used to accelerate the initial set of concrete is |
| gypsum |
| calcium chloride |
| calcium carbonate |
| none of the above |
17.Percentage of carbon content in mild steel is |
| less than 0.25 |
| between 0.25 and 0.7 |
| between 0.7 and 1.5 |
| greater than 1.5 |
18.The ultimate tensile strength of structural mild steel is about |
| 160N/mm2 |
| 260N/mm2 |
| 420 N/mm2 |
| 520 N/mm2 |
19.Which of the following gradients exerts maximum influence on properties of steel? |
| iron |
| carbon |
| manganese |
| sulphur |
20.The vehicle used in case of enamel paints is usually |
| linseed oil |
| water |
| varnish |
| none of the above |
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