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q what are rules for working of dip lorries and their protection arrangements on a single line section explain with sketchesans-rules for working of
with a clear sketch indicate the system of protection of line for works of short duration where lsquo stop dead restriction need to be observed on a
q what do you mean by depth of scourthe maximum scour depth in a stream can be ascertained when ever possible by actual sounding at or near the site
write definition of the following -i afflux ii free board iii clearance iv via duct v skew bridge vi cause way vii clear
q explain foundation design discharge for a bridgeto provide for an adequate margin of safety against any abnormal flood exceeding the design
q explain types of bearingsthe bearing transfers the forces coming from the superstructure to the substructure it also allows for necessary movements
major bridge - major bridge is one of which has a total linear waterway of 18 m or more for multiple and total linear water way of 12 m or more
q write a short note on economic of a bridgethe for which the total cost of bridge will be minimum is known as the economic the ratio
q for what capacity would you design a sanitary branch sewer to serve a section having a population of 12500 persons with a rate of supply of 135
q ph value of waterit is a symbol for hydrogen ion concentration and indicates acidity or alkalinity when p h value more than 7 water is alkaline and
q explain dissolved impurities in waterthe impurities which are caused by the action of water and water forming acids with organic
q which are the colloidal impurities in waterthe finely divided particles of soil such that their small quantities are not visible to
q show suspended impurities in waterthe solid particles which are dispersed in water are referred as suspended impurities these are
q what are the various impurities in waterans- impurities in water -the impurities in water are classified as -isuspended impuritiesiicolloidal
q explain use of scour valvescour valve - scour valve at depressions on the main for clearing and emptying the pipes it is also called blow off valve
q why we use air valvesair valves - air valves of proper size and pressure rating at summits air valves ensure the safety of the pipe line against
q explain p traptrap is a depressed or bent sanitary fittings which always remains full of water it is water sealits functions are to prevent passage
q write short notes on aqua privy latrinethere are a sort of latrines also called septic tank latrines these are constructed over septic tanks amp
q as an aen in charge what inspection will you under taken at the time of inspection of girder bridge 3 x 60 feet please explain the
q process of lubrication of girder bearingoiling and greasing of bearings is done to ensure that the bearings are well lubricated and working freely
q replacement of loose rivetsi slight slackness of rivet does not cause loss of rivet strengthii renewal of slack rivets should be done only when the
steel triangulated open web girders are provided with camber to compensate for deflection under load out of the total design camber the part
q explain condition rating number1a condition which warrants rebuilding re-habilitation immediately2a condition which requires rebuilding
q write short notes on numerical rating of bridgesin the numerical rating system the condition of a bridge is represented by a number consisting
q what is switch and expansion jointswitch expansion joint sej is an expansion joint installed at each end of lwrcwr to permit expansioncontraction