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Carry over in steam boiler: The phenomenon of carrying of water along with impurities by steam is called "carry over". This is mainly due to priming and foaming. Priming and foaming mainly occur together. They are objectionable together:
1. Dissolved salts or suspended solids in water carried by the wet steam to super heater and turbine, blades, where they get deposited as water deposited. This deposit decreases the efficiency of boiler.
2. Dissolved salts may enter the parts of other machinery, thereby decreasing their life.
3. The maintenance of the boiler pressure becomes difficult because of improper judgement of actual height.
Definitions Oxidation exactly meant 'combination with oxygen' and reduction 'removal of oxygen'. These definitions have been illustrated. Oxidation implies combination with a
how to detect nickel radical in presence of Ferro cyanide radical.
Visible range of hydrogen spectrum will contain the following series: (1) Pfund (2) Lyman (3) Balmer (4) Brackett Ans: Balmer
Tests of chloroform (a) It gives isocyanide test (Carbylamine test). (b) It makes silver mirror with Tollen's reagent. (c) Pure Chloroform does not give white precipitate
Q. Place these types of light in order from largest to smallest wavelength. Blue light, x-rays, gamma rays, microwaves, green light? Largest wavelength microwaves green l
why is density of interstitial compounds less than that of parent metal ?
Q. What is chlorofluorocarbon? A chemical is some substance that has a definite composition. Ozone is a chemical which is made up of three particles of oxygen. Ozone forms a th
Symmetry is a property of molecules having more than one atom of the same kind, with equal bond lengths and/or bond angles. As like the high symmetry of the SF6 molecule (Fig. 1. a
Q. Show Applications of coordination compounds? Innumerable applications of coordination compounds in fields as divergent as biology, industry. Agriculture, analytical chemist
Elements of symmetry
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