1. The wall shown in the below figure has failed. The cause of failure or the error made in the design of the failded wall is :
2. The span to depth ratio limit is specified in IS : 456-1978 for the reinforced concrete beams, in order to ensure that the
3. Fill up the blanks using the suitable choices. You could go by air, or ......... you could drive there.?
4. Some of the structural strength of a clayey material that is lost by remoulding is slowly recovered with time. This property of soils to undergo an isothermal gel-to-soil-to-gel transformation upon agitation and subsequent rest is termed :
5. The capacities of "One-way 1.5 m wide sidewalk (persons per hour)" and "One-way 2-lane urban road (PCU per hour, with no frontage access, no standing vehicles and very little cross traffic)" are respectively.
6. Is 459-1978 recommends to provide certain minimum steel in a RCC beam
7. Shear stress develops on a fluid element, if :
8. A hydraulic turbine has a discharge of 5 m3/s, when operating under a head of 20 m with a speed of 500 rpm. If it is to operate under a head of 15 m, for the same discharge, the rotational speed in rpm will approximately be
9. A nozzle discharging water under head H has an outlet area "a" and discharge coefficient cd = 1.0. A vertical plate is acted upon by the fluid force Fj when held across the free jet and by the fluid force Fn when held against the nozzle to stop the flow, the ratio Fj/Fn is
10. A hydraulic turbine develops a power of 104 metric horse power while running at a speed of 100 revolutions per minute, under a head of 40 m. Its specific speed is nearest to one of the following :
11. The Prandtl mixing length for turbulent flow through pipes is
12. A 40° slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m3; the relevant shear strength parameters are cu = 70 kN/m2 and φu = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for φu = 0 and 40° slope angle is 0.18. The factor of safety of the slope is :
13. Lysimeter and Tensiometer are used to measure respectively, one of the following groups of quantities :
14. The ruling minimum radius of horizontal curve of a national highway in plain terrain for ruling design speed of 100 km/hour with e = 0.07 and f = 0.15 is close to
15. Principle involved in the relationship between submerged unit weight and saturated weight of a soil is based on
16. The kinetic energy correction factor for a full developed laminar flow through a circular pipe is
17. The slope of the e-log p curve for a soil mass gives :
18. The modulus of subgrade reaction is obtained from the plate bearing test in the form of load-deformation curve. The pressure corresponding to the following settlement value should be used for computing modulus of subgrade reaction
19. X-component of velocity in a 2-D incompressible flow is given by u = y2 + 4 xy. If Y-com-ponent of velocity 'v' equals zero at y = 0, the expression for 'v' is given by
20. Consolidation in soils
21. The Srimulam Popular Assembly was formed in?
22. The minimum area of tension reinforcement in a beam shall be greater than
23. In an iceberg, 15% of the volume projects above the sea surface. If the specific weight of sea water is 10.5 kN/m3 , the specific weight of iceberg ir kN/m3 is
24. A reinforced concrete column contains longitudinal steel equal to 1 percent of net cross-sectional area of the column. Assume modular ratio as 10. The loads carried (using the elastic theory) by the longitudinal steel and the net area of concrete, are Ps and Pc respectively. The ratio Ps/Pc expressed as percent is
25. A steady discharge of 1 cumec flows uniformly in a rectangular channel 1 m wide at a depth of 250 mm. The slope of the channel bed is :