167301. A rectangular open channel carries a flow of 2 m3/sec/m, what is the value of mihimum specific energy?
167302. A hydraulic model of a spill way is constructed with a scale 1:25. If the prototype discharge is 3125 cumec, then the corresponding discharge for which the model should be tested is :
167303. High COD to BOD ratio of an organic pollutant represents :
167304. Which is a secondary air pollutant?
167305. Isopleth is a line which joins all the points having :
167306. A flood discharge is to be estimated for design of a bridge across a river. If the designer intends to accept 25% risk that a flood of that or higher magnitude will occur in the next 15 years, the return period that the designer must use in the estimation of flood discharge is :
167307. A waste water sample contains 10-56 mmoles/litre of hydroxyl ions at 25°C. The pH of the sample is :
167308. Faculative bacterias survive in :
167309. ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is :
167310. The radius of a simple circular curve is 300 m and length of its specified chord is 30 m. The degree of the curve is :
167311. The difference between the time avail-to do a job and the time required to do the job, is known as :
167312. A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved :
167313. What annual sinking fund at 4.5% must be invested to produce Rs. 1 at the end of 20 years?
167314. Under the straight Line method of charging depreciation, depreciation :
167315. Which oneof the following helps toidentify the objects on the earth surface?
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