27. The plotting of linear form of standard infiltration capacity curve represents a straight line with a slope equal to :
28. Most of the heavy rains in India are due to :
29. The relation between the optimum number of rain-guage stations (N), Allowable percentage error in the calculation of mean rainfall (E) and the coefficient of variation of rainfall is :
30. The rates of rainfall for a successive 20 min period of a 60 minute rain are 2.5, 5, and 10 cm/hr respectively. If the rainfall volume equals runoff volume above 2.5 cm/hr, the runoff will be :
31. The recession limb of a hydrograph indicates :
32. A unit hydrograph of a basin is defined as a hydrograph of direct runoff resulting from a rainfall excess of:
33. If a 6 h unit hydrograph is added to the same 6 h unit hydrograph beginning 6 h later, this can be reduced to a 12 h unit hydrograph by dividing the ordinates by :
34. In stream routing, the peak outflow discharge occurs :
35. The distance between two points measured with a 30 m chain was recorded as 100 m. It was afterwards found that the chain was 10 cm too short. So, the true distance between the points will be :
36. A survey line is 100 m long and has a bearing of 210°. The departure of this survey line is :
37. If AB is at S 30° W and AC is N 30° W, the included angle BAC will be :
38. ‘Orientation’ of a plane table refers to the process of:
39. A person 1.684 m tall stands on a beach. The maximum distance visible to him towards the sea will be :
40. The least reading that can be taken with the help of a leveling staff is :
41. If A1, A2, A3, A4 and A5 represent the areas of cross-sections of an embankment at a distance of D between them, the Prismoidal formula for calculating its volume will be :
42. The prismoidal correction for a level section with depths of cutting ‘h’ and ‘H’ at a distance of ‘D’ apart with side slopes ‘s’ and will be :
43. If the area included within 450 m, 453 m and 456 m contour lines of a reservoir are respectively 250 sq.m and 750 sq.m, the volume of water (by trapezoidal formula) will be :
44. A jet of water strikes a flat plate with a velocity of 20 m/s inclined at 30° with the axis of the jet. If the cross-sectional area of the jet is 50 cm2 and density of water is 1000 kg/cu.m, the force exerted by the jet on the plane will be :
45. For maximum efficiency of the vanes, the peripheral speed should be :
46. A jet propelled boat moves at 20 m/s with water being drawn from inlet openings facing the direction of motion. If the relative velocity of the jet is found to be 30 m/s, its propulsion efficiency will be :
47. A turbine is to operate under a head of 16 m at 128 rpm. If the power generated is 625 kW, the specific speed of the turbine will be :
48. The impeller of a centrifugal pump has an internal diameter of 400 mm and it runs at 720 rpm. If the constant radial flow through impeller is 1.51m/s, the inlet vane angle will be :
49. The phenomenon of cavitation in centrifugal pumps can be reduced by :
50. In the case of a centrifugal pump, the kinetic energy per unit weight of water is found to be 8 Nm and the work done per unit weight of water was 24 Nm. So the percentage of work converted into kinetic energy will be :
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web Solutions