Rkr engineer

 1) Happiness is not something ready made. It comes from your own actions. 2) you have to dream before your dreams can come true  3) The starting point of all achievement is desire  4) A goal is not always meant to be reached, it often serves simply ass something to aim at  5) By failing to prepare, you are preparing to fail  6) To succed in your mission, you must have single minded devotion to your goal  7) a good decision is based on knowledge and not to number 8) somewhere, something incredible is waiting to be known 9) There are dark shadows on the earth, but it's lights are stronger in the contrast  10)  Keep love in your heart a life without it is like a sunless garden when the flowers are dead

Importance of environmental education     Environmental belongs to all and is thus important for all. Whatever be the occupation or age of a person, he / she will be affected by environmental and will also affect the environment by his/ her deeds.       The understanding of the subject needs an adequate knowledge of geography, climatology , soil science, microbiology, biochemistry, biophysics, sociology, economic etc  The main importance of environmental education is as follows 1) Environmental education is important for the betterment of economy and welfare of human society. 2) It help us in careful handling the issues like pollution menace, over exploitation of natural resources, food security and sustainable development. 3) Environmental education demonstrate how man can derive benefits from the environment without destroying. 4) Environmental education trains us to conserve our fast depleting natural resources. 5) Environmental education helps in i...

 Scope of environmental education                                                                  As the life of all organisms is linked directly or indirectly to the environment the environmental education become important to be utilised in solving various problems faced today by man and other organisms on this plant. Various socio economic , political and other similar policies of the world are now based on ecological aspect. 1) Environmental pollution and it's control                                                                                 The environment pollution has become an international problem today. ...

 IRC CLASSIFICATION OF ROAD                                                            IRC classifies the network of roads in india into following categories 1) National highways ( NH ) 2) State Highway ( SH ) 3) Major District Roads ( MDR ) 4) Others District Roads ( ODR ) 5) Village Roads ( VR )  1) National highways                                          National highways were defined as the important roads running through the length and breadth of India connecting ports capital cities, foreign Highway, industrial centre and strategic point . National highways should have 2 lanes of traffic and should be 7.50 m wide . It should be necessary a bituminous or concrete road giving an uninterrupted road communication throughou...

 NOMINAL DIAMETER OF BARS                                                            Nominal diameter of bars is the dimensions of the diameter of round bars. The side of a square bar is called nominal size of squar bar . In case of deformed bars, the nominal diameter is taken equivalent to that of a plain bar having the same mass per unit length as the deformed bars. It means , although the shape of cross section of plain and deformed bars are not equal but for a particular diameter their cross sectional area and weight per meter length are the same. The reinforcing bars referred as rebers are generally available in the market in the following sizes  6 mm , 8mm, 10 mm , 12 mm , 16 mm , 20 mm, 22 mm , 25 mm , 28 mm , 32 mm, 36 mm, 40 mm  The basic weight of steel is taken equal to 7850 kg/M3  Weight of bar in kg per met...

 1) IS 456 : 2000          Code of practices for plan and reinforced concrete 2) IS 1199 : 1959           Method of sampling and analysis of concrete 3) IS 516 : 1959            Methods of test for sampling  f concrete 4) IS 10262 :2009          Recommended Guide lines for concrete mix design 5) IS 383                         Indian standard is referred to determine zone of fine aggregate 6) IS 1893 :2002 part 1     Zone factor for sever seismic intensity  7) IS 1893 : 2002              Provides criteria for earthquake resistant design 8) IS 432 : 1982                Mild steel and medium tensile steel IS 1786                             ...

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