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Question 1 of 15
An incompressible fluid is flowing at a steady rate in a horizontal pipe. From a section, the pipe divides into two horizontal parallel pipes of diameters d1 and d2 (where d1 = 4d2) that run for a distance of L each and then again join back to a pipe of the original size. For both the parallel pipes,assume the head loss due to friction only and the Darcy-Weisbach friction factor to be the same.The velocity ratio between the bigger and the smaller branched pipes is _________Correct
Question 2 of 15
16 MLD of water is flowing through a 2.5 km long pipe of diameter 45 cm. The chlorine at the rate of 32 kg/d is applied at the entry of this pipe so that disinfected water is obtained at the exit. There is a proposal to increase the flow through this pipe to 22 MLD from 16 MLD. Assume the dilution
coefficient, n = 1. The minimum amount of chlorine (in kg per day) to be applied to achieve the same degree of disinfection for the enhanced flow isCorrect
Question 3 of 15
The potable water is prepared from turbid surface water by adopting the following treatment sequence.Correct
Question 4 of 15
The perception-reaction time for a vehicle traveling at 90 km/h, given the coefficient of longitudinal friction of 0.35 and the stopping sight distance of 170 m (assume g = 9.81 m/s2), is _____________ seconds.Correct
Question 5 of 15
The speed-density (u−k) relationship on a single lane road with unidirectional flow is u = 70 − 0.7k, where u is in km/hr and k is in veh/km. The capacity of the road (in veh/hr) isCorrect
Question 6 of 15
An isolated three-phase traffic signal is designed by Webster’s method. The critical flow ratios for three phases are 0.20, 0.30, and 0.25 respectively, and lost time per phase is 4 seconds. The optimum cycle length (in seconds) isCorrect
Question 7 of 15
Match the below
Group I Group II
P. Alidade 1. Chain surveying
Q. Arrow 2. Levelling
R. Bubble tube 3. Plain table surveying
S. Stadia hair 4. Theodolite surveyingCorrect
Question 8 of 15
Type II error in hypothesis testing isCorrect
Question 9 of 15
In shear design of an RC beam, other than the allowable shear strength of concrete , there is also an additional check suggested in IS 456-2000 with respect to the maximum permissible shear stress . The check for the maximum permissible shear stress is required to take care ofCorrect
Question 10 of 15
Bull’s trench kiln is used in the manufacturing ofCorrect
Question 11 of 15
The compound which is largely responsible for initial setting and early strength gain of Ordinary Portland Cement isCorrect
Question 12 of 15
In the consolidated undrained triaxial test on a saturated soil sample the pore water pressure is zeroCorrect
Question 13 of 15
A fine grained soil is found to be plastic in the water content range of 26-48% . As per Indian standard classification system the soil is classified asCorrect
Question 14 of 15
The type of flood routing and the equations used for the purpose are given below
Hydrologic flood routing
Hydraulic flood routing
The correct match isCorrect
Question 15 of 15
The pre jump froude number for a particular flow in a horizontal rectangular channel is 10.The ratio of sequent depths (that is post jump depth to pre jump depth) isCorrect