By Raghupati Mukhopadhyay, Sriparna Datta
To hide a number of themes in one ebook, that too for novices, is a truly tough activity. we've attempted to give the subject material very lucidly in order that the scholars can grab it simply. a few parts of the subject material were highlighted in order that the scholars can comprehend the $64000 and salient beneficial properties of the subjects. The ebook covers the most recent syllabi of West Bengal kingdom Council of Technical schooling. brief questions and solutions are given within the publication for the good thing about the scholars for semester assessments.
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Additional resources for Engineering Chemistry
120nm B B B Q. 22. What do you mean by electronegativity? Ans. The pulling power of an atom of the bonding electrons towards itself when linked by a covalent bond with another atom is known as electronegativity. The stronger the pulling power of an atom, the higher its electronegativity. The bigger the difference in the electronegativity of the elements forming a bond, the more polar the bond. +d H ¾Cl ¯ –d polar bond. Q. 23. When does a bonding in a covalent compound become fully ionic? Ans. The bonding in a compound becomes ionic if the difference in electronegativity of the two bonded atoms becomes so large that the more electronegative atom can remove completely the electron from the other atom.
28 × 104 year1. = t1/2 1620 Let, time during which one centigram of radium is lost due to disintegration be = t. 99 g. 68 years.
5). Reactor Control rods Steam to turbine Coolant Moderator Water Core Pressure uranium fuel vessel Shielding Fig. 5 Nuclear reactor. PM5 51 52 ENGINEERING CHEMISTRY 2. Reflector: A reflector is usually made of the same material as the moderator (not shown in the figure). It is used to reflect back some of the leaking neutrons from the reactor core. 3. Control mechanism: This part is an essential part of the reactor and serves the following purposes: (i) To bring the reactor to its normal operating level.