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Q. Explain Dissolved Impurities in water?
The impurities which are caused by the action of water and water forming Acids with organic matter and carbon dioxide from air during its flow over mineral Salts present in the soil are called dissolved impurities.
These include following :-
(a) Salts :- (I) Calcium and magnesium salts ( Carbonates; Bicarbonates; Chlorides; Sulfates.)
(ii) Sodium salts- Carbonates; Bicarbonates; Chlorides; Sulphates; fluorides.
(b) Metals:- Iron; Lead; Manganese; Arsenic.
( c ) Gases ;- Oxgyen; chlorine; Hydrogen; Sulphide; Carbon dioxide; Ammonia.
(d) Vegetable and Animal matter.
Specify the various methods of soil exploration and mention the circumstances under which each is best suited. What do you mean by undisturbed sample? Define with a neat sketch
find the area bounded by the curve y=3x(x-2)^2 and the x-axis
Q. Reasons for blockage in pumping concrete ? Concrete pumping is normally adopted in highly elevated locations for which access for concrete trucks is difficult. Construction
Question Is it true that stainless steel really stainless in construction purpose ? Answer Stainless steel refers to alloy steels with more than 10.5 percent of chrom
Bridge Loadings: Loadings of bridges have been standardized by the Roads Congress. The major features of the various load classes are given below : Bridges and culvert
Absolute pressure is measured from a vacuum (0 PSI) and atmospheric pressure is14.7PSIa or 14.7 PSI above a vacuum 1PSI on a tire pressure gauge is known as 1PSIg = 15.7PSIa 10PSIg
Break even point: EM Electricals, Inc., contains fixed costs of Rs. 600,000 this period. Variable costs involved labour charges of Rs.100 per unit and material cost of Rs. 200
defference between direct and indirect ranging..
TH ADVANTAGES OF FLAMISH BOND
A concrete crew will use the available steel form panels measuring 2'-6" wide x 4'-0" high to construct a 40'-6" long by 3'-2" high by 1'-6" wide concrete knee wall. The square
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