GATE Exam Questions Questions

• Shear centre for an angle-purlin as shown in the below figure is located at,
• For an anisotropic soil, permeabilities in x and y directions are kx and ky respectively in a two dimensional flow. The effective permeability keq for the soil is given by
• A parabolic curve is used to connect a 4% upgrade with a 2% downgrade as shown in the below figure. The highest point on the summit is at a distance of (measured horizontally from the first tangent point - (FTP)
• The ordinate of the Instantaneous Unit Hydrograph (IUH) of a catchment at any time t, is
• The plan of stairs supported at each end by landings spanning parallel with risers is shown in the below figure. The effective span of staircase slab is
• Chemical oxygen Demand (COD) of a sample is always greater than Biochemical Oxygen Demand (BOD) since it represents :
• Rotational stiffness-coefficient, K11 for the frame having two members of equal EI/l is given by :
• A deep cut of 7 m has to be made in a clay with unit weight 16 kN/m3 and a cohesion of 25 kN/m2. What will be the factor of safety if one has to have a slope angle of 30°? Stability number is given to be 0.178 (from Taylor's chart) for a depth factor of 3.
• In a BOD test, 5 ml of waste is added to 295 ml of aerated pure water. Initial dissolved oxygen (D.O) content of the diluted sample is 7.8 mg/l. After 5 days of incubation at 20°C, the D.O. content of the sample is reduced to 4.4 mg/l. The BOD of the waste water is :
• The forces in members 'a, b, c' in the truss shown are, respectively
• The shape of the cross-section, which has the largest shape factor, is
• Water emerges from an ogee spillway with velocity 13.72 m/s and depth = 3.0 m at its toe. The tail water depth required to form a hydraulic jump at the toe is
• If YY is the centroidal axis of a T beam-section subjected to plastic moment, Mp, the neutral axis lies,
• Width of carriage way for a single lane is recommended to be
• An inverted siphon is a
• Two flow patterns are represented by their stream functions ψ1 and ψ2 as given below: ψ1 = x2 + y2, ψ2 = 2xy If these two patterns are superimposed on one another, the resulting streamline pattern can be represented by one of the following :
• The two criteria for the determination of allowable bearing capacity of a foundation are
• If φ = nominal diameter of reinforcing bar, fs = compressive stress in the bar and fbd= design bond stress of concrete, the anchorage length, La of straight bar in compression is equal to :
• The dimensions for the flexural rigidity of a beam element in mass (M), length (L) and time (T) is given by
• As per IS : 800-1984 the minimum pitch of rivets in a row is recommended as the diameter of the rivet times