GATE Exam Questions Questions

• The force in the member DE of the truss shown in the below figure is,
• A pile of 0.50 m diameter and of length 10 m is embedded in a deposit of clay. The un-drained strength parameters of the clay are cohesion = 60 kN/m2 and the angle in internal friction = 0. The skin friction capacity (kN) of the pile for an adhesion factor of 0.6, is
• Two primary air pollutants are
• Muskingum method for routing of flood
• In a section, shear centre is a point through which, if the resultant load passes, the section will not be subjected to any
• The total active thrust on a vertical wall 3m high retaining a horizontal sand backfill (unit weight γt = 20 kN/m3, angle of shearing resistance φ' = 30°) when the water table is at the bottom of the wall, will be:
• A frame ABCD is supported by a roller at A and is on a hinge at C as shown below The reaction at the roller end A is given by
• A cantilever beam is shown in the below figure. The moment to be applied at free end for zero vertical deflection at that point is
• Standard 5-day BOD of a waste water sample is nearly x% of the ultimate BOD, where x is
• A vertical rod PQ of length L is fixed at its top end P and has a flange fixed to the bottom end Q. A weight W is dropped vertically from a height h(< L) on to the flange. The axial stress in the rod can be reduced by
• Which one of the following conditions, both elastic and plastic methods of analysis of indeterminate structures have to satisfy?
• At highway stretches where the required overtaking sight distance cannot be provided, it is necessary to incorporate in such sections the following :
• The plastic modulus of a section is 4.8 x 10-4 m3. The shape factor is 1.2. The plastic moment capacity of the section is 120 kN.m. The yield stress of the material is
• An isochrone is a line on the basin map
• Design rate of super elevation for horizontal highway curve of radius 450 m for a mixed traffic condition, having a speed of 125 km/hour is
• The superelevation needed for a vehicle travelling at a speed of 60 kmph on a curve of radius 128 m on a surface with a coefficient of friction of 0.15 is :
• Flocculation is a process
• The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tachometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diaphragm axis is 4 mm. With the line of collima-tion perfectly horizontal, the staff intercepts are 1 m (top), 2 m (middle), and 3 m (bottom). The horizontal distance (m) between the staff and the instrument station is
• Reaction at support b of the structure is
• Allowable average shear stress in an un-stiffened web for beams made of steel of grade 250 N/mm2 is :