KSRTC Assistant Engineer Previous Questions & Answers – 41 to 60
Question 41: The direction of flow of liquid in a propeller pump impeller is in (a) outward radial direction (b) axial direction (c) inward radial direction (d) the direction tangential to the impeller Ans: (b) axial direction Question 42: The ratio of volume to the total volume of the given soil mass, is known as: (a) porosity (b) void ratio (c) specific gravity (d) water content Ans: (a) porosity Question 43: Dry density of soil is: (a) D10 (b) D30 (c) D20 (d) D40 Ans: (a) D10 Question 44: A soil having uniformity coefficient more than 10 is called (a) Uniform (b) fine (c) coarse (d) well graded soil Ans: (d) well graded soil Question 45: Dry density of soil is (a) always greater than the saturated density (b) ratio of the weight of soil solids to the volume of solids (c) ratio of the weight of soil solids to the total volume (d) determined by strength test Ans: (c) ratio of the weight of soil solids to the total volume Question 46: The property of a soil which permits flow of water through its interconnected voids is called (a) seepability (b) porosity (c) permeability (d) void ratio Ans: (c) permeability Question 47: The functional equation for specific gravity G, water content w, void ratio e and degree of saturation Sr is (a) w=Sr G/e (b) e= Sr w/G (c) Sr= wG/e (d) G=Sr w/e Ans: (c) Sr= wG/e Question 48: The law states that in laminar flow in a saturated soil, the velocity is directly proportional to the hydraulic gradient is called (a) Reynold’s law (b) Bligh’s law (c) Darcy’s law (d) Lacy’s law Ans: (c) Darcy’s law Question 49: The gradual reduction in volume of a soil mass resulting from an increase in and continued application of compressive stress and is due to expulsion of water from the pores is called (a) Compaction (b) consolidation (c) settlement (d) depression Ans: (b) consolidation Question 50: The minimum size of plate in plate load test is: (a) 100 mm (b) 450 mm (c) 200 mm (d) 300 mm Ans: (d) 300 mm Question 51: Bearing capacity should be calculated from the criteria of (a) shear only (b) settlement only (c) both settlement and shear (d) cohesion only Ans: (c) both settlement and shear Question 52: Floating foundation is a type of: (a) well foundation (b) pile foundation (c) pier foundation (d) raft foundation Ans: (d) raft foundation Question 53: A shallow foundation is a foundation that (a) has low bearing capacity (b) has a depth of embedment less than its width (c) is resting on the ground surface (d) causes less settlement Ans: (b) has a depth of embedment less than its width Question 54: Diameter of a circular footing is 3m and side of a squre footing is 3m. Both the footing are soil (c-ø) at same depth. The ultimate bearing capacity of circular footing is: (a) less than squre footing (b) more than square footing (c) same as square footing (d) not comparable Ans: (a) less than squre footing Question 55: The energy stored in a material within elastic limit when it is under strain is called: (a) impact (b) shock resistance (c) resilience (d) elasticity Ans: (c) resilience Question 56: The property of a material enabling it to resist dformation under stress is called: (a) toughness (b) stiffness (c) strength (d) brittleness Ans: (b) stiffness Question 57: The rate of change of blending moment is equal to (a) shear force (b) deflection (c) slope (d) axial thrust Ans: (a) shear force Question 58: The point in a beam whre the shear force changes sign is called the point of (a) Maximum BM (b) zero shear (c) zero curvature (d) maximum curvature Ans: (a) Maximum BM Question 59: For a simply supported beam, carriying a uniformly distributed load, the shape of the bending moment diagram will be, (a) triangular (b) parabolic (c) circular (d) cubical Ans: (b) parabolic Question 60: A cantilever beam of length L, cross-section A is subjected to a total uniformly distributed load of W and a concentrated load W1 at a distance L1 from free end will have maximum moment of (a) (WL/2) + W1 L1 (b) (WL2/2) + W1 L1 (c) [W(L-L1)/2] + W1 L1 (d) (WL/2) + W1 (L-L1) Ans: (d) (WL/2) + W1 (L-L1)
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