GATE Exam Questions Questions

• The reaction time for calculation of stopping distance may be assumed as
• The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch, would be
• 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 :
• 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 :
• In a compaction test, as the compaction effort is increased, the optimum moisture content
• The number of simultaneous equations to be solved in the slope deflection method, is equal to :
• The cylinder strength of the concrete is less than the cube strength because of
• In a steady radial flow into an intake, the velocity is found to vary as (1/r2), where r is the radial distance. The acceleration of the flow is proportional to
• Principle involved in the relationship between submerged unit weight and saturated weight of a soil is based on
• The drop manholes are provided in a sewerage system when there is
• Sewage treatment in an oxidation pond is accomplished primarily by :
• The following characteristics pertain to the sand filters used in water industry. Filtration rate is 1 to 4 m3 (m2 day). Typical duration of operation in one run is 24 to 72 hours. Operating cost is low. Which of the above characteristics pertain to slow sand filters?
• In IS : 800 (1984) the permissible compressive stress in column is based on :
• Three reservoirs A, B and C are interconnected by pipes as shown in the below figure Water surface elevations in the reservoirs and the Piezometric Head at the junction J are indicated in the below figure. Discharges Q1, Q2 and Q3 are related as
• The slope of the elastic curve at the free end of a cantilever beam of span L, and with fluxural rigidity EI, subjected to uniformly distributed load of intensity w is
• At highway stretches where the required overtaking sight distance cannot be provided, it is necessary to incorporate :
• The following two statements are made with reference to a simply supported under-reinforced RCC beam : Failure takes place by crushing of concrete before the steel has yieled. The neutral axis moves up as the load is increased. With reference to the above statements, which of the following applies?
• If an element of a stressed body is in a state of pure shear with a magnitude of 80 N/mm2 , the magnitude of maximum principal stress at that location is
• The members EJ and IJ of steel truss shown in the figure below are subjected to a temperature rise of 30° C. The coefficient of thermal expansion of steel is 0.000012 per °C per unit length. The displacement (mm) of joint E relative to joint H along the direction HE of the truss, is
• A single bay single storey portal frame has hinged left support and a fixed right support. It is loaded with uniformly distributed load on the beam. Which one of the following statements is true with regard to the deformation of the frame?