126 Sub-Engineer Mock Test of 50 Past Question #83 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. For the construction of highway A. longitudinal sections are required B. cross sections are required C. both longitudinal and cross sections are required D. none of these 2 / 50 2. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed A. R/10 B. R/15 C. R/20 D. R/25 3 / 50 3. The sensitiveness of a level tube decreases if A. radius of curvature of its inner surface is increased B. diameter of the tube is increased C. length of the vapour bubble is increased D. both viscosity and surface tension are increased. 4 / 50 4. The commonly used colour pigment in paints, is A. ambers B. iron oxide C. carbon black D. all of the above 5 / 50 5. Varnish is a transparent or semi-transparent solution of resinuous substances in A. alcohol B. linseed C. turpentine D. all of the above 6 / 50 6. In a three hinged arch, the shear force is usually A. maximum at crown B. maximum at springings C. maximum at quarter points D. varies with slope. 7 / 50 7. An arch may be subjected to A. shear and axial force B. bending moment and shear force C. shear force and thrust D. thrust, shear force and bending moment. 8 / 50 8. The law which states, “within elastic limits strain produced is proportional to the stress producing it”, is known as A. Bernoulli's law B. Stress law C. Hooke's law D. Poisson's law 9 / 50 9. A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment M is A. WL/2 B. WL/24 C. WL/8 D. WL/20 10 / 50 10. Liquids A. cannot be compressed B. do not occupy definite shape C. are not affected by change in pressure and temperature D. none of these 11 / 50 11. The ratio of the percentage error in the discharge and percentage error in the measurement of head over a triangular notch, is A. 2/5 B. 3/2 C. 2/3 D. 5/2 12 / 50 12. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called A. Euler number B. Froude numbe C. Reynold number D. Weber number 13 / 50 13. The fluid generally used for grouting is A. cement and water mix B. clay suspension C. sodium silicate D. all of the above 14 / 50 14. A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is A. 0.25 B. 0.5 C. 0.75 D. 1 15 / 50 15. The slenderness ratio of single angle discontinuous struts connected by a single rivet or bolt, shall not exceed A. 110 B. 150 C. 100 D. 180 16 / 50 16. The designed transverse shear in lacing is assumed as A. 2.5% of axial load B. 3% of axial load C. 3.5% of axial load D. 4% of axial load 17 / 50 17. The maximum characteristic strength of the stirrups reinforcement, is taken A. 350 N/mm² B. 375 N/mm² C. 395 N/mm² D. 415 N/mm² 18 / 50 18. A projecting piece usually provided to support a truss, is A. cornice B. coping C. frieze D. lintal 19 / 50 19. The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is A. ridge B. hip C. valley D. none of these 20 / 50 20. The mixture of different ingredients of cement, is burnt at A. 1000°C B. 1200°C C. 1400°C D. 1600°C 21 / 50 21. The risk of segregation is more for A. wetter mix B. larger proportion of maximum size aggregate C. coarser grading D. all of the above 22 / 50 22. In distribution pipes, drain valves are provided at A. lower point B. higher point C. junction points D. any where 23 / 50 23. Corrosion of well pipes may not be reduced by A. reducing the draw down and the pumping rate B. reducing the flow velocity C. using thicker pipes D. using screens having larger area of openings 24 / 50 24. In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is A. 2.25 B. 2.35 C. 2.55 D. 2.65 25 / 50 25. A river training work is generally required when the river is A. meandering B. aggrading C. degrading D. all of the above 26 / 50 26. Water-shed line is abondened for aligning an irrigation canal if A. water shed forms a sharp loop B. canal has to take off from a river C. towns and villages are located on the water shed line D. all of the above 27 / 50 27. A deficit of sediments in flowing water may cause a river A. meandering type B. aggrading type C. degrading type D. sub-critical type 28 / 50 28. A land is said to be water-logged if its soil pores within A. a depth of 40 cm are saturated B. a depth of 50 cm are saturated C. root zone of the crops are saturated D. all of the above 29 / 50 29. The wall constructed for the stability of, an excavated portion of a road on the hill side, is known as A. retaining wall B. breast wall C. parapet wall D. all of the above 30 / 50 30. Maximum number of passenger cars that can pass a given point on a road during one hour under the most ideal roadway and traffic conditions, is known as A. traffic density B. basic capacity of traffic lane C. possible capacity of traffic lane D. all of the above 31 / 50 31. Pick up the incorrect statement from the following A. Dimensions are measured to the nearest 0.01 m B. Areas are measured to the nearest 0.01 sq.m C. Areas are measured to the nearest 0.01 sq.m D. Weights are measured to the nearest 0.001 tonnes 32 / 50 32. If tensile stress of a steel rod of diameter D is 1400 kg/cm² and bond stress is 6 kg/cm², the required bond length of the rod is A. 30 D B. 39 D C. 49 D D. 59 D 33 / 50 33. The measurement is not made in square metres in case of A. D.P.C. (Damp proof course) B. Form works C. Concrete Jaffries D. R.C. Chhajja 34 / 50 34. The expected out turn of half brick partition wall per mason per day is A. 1.5 m³ B. 2.0 m³ C. 4.0 m² D. 5.0 m² 35 / 50 35. The fuse large includes A. passengers chamber B. pilot's cabin C. tail of aircraft D. all of the above 36 / 50 36. Information of Magnetic bearing of airport runway provided by____ A. Airway beacon B. Very high Omni-directional range C. Air route surveillance Radar D. Wind cone 37 / 50 37. Refractory bricks resist A. high temperature B. chemical action C. dampness D. all of the above 38 / 50 38. In arches, stratified stones are placed so that their planes are A. parallel B. perpendicular C. radial D. none of these 39 / 50 39. The sound which continues even after its source is cut off, is called A. reverberation B. echo C. intensity of sound D. interference 40 / 50 40. The stepped structure provided for lateral support of a structure, is A. retaining wall B. breast wall C. buttress D. parapet wall 41 / 50 41. The shearing strength of a cohesion-less soil depends upon A. dry density B. rate of loading C. confining pressure D. nature of loading 42 / 50 42. During seepage through a soil, direction of seepage is always A. parallel to equipotential lines B. perpendicular to stream lines C. perpendicular to equipotential lines D. none of these 43 / 50 43. The phenomenon of slow growth of strain under a steady tensile stress, is called A. yielding B. creeping C. breaking D. none of these 44 / 50 44. The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a A. triangle B. rectangle C. parabola D. cubic parabola 45 / 50 45. If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is A. 13 mm B. 14 mm C. 15 mm D. 16 mm 46 / 50 46. The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes A. with the horizontal B. with the vertical C. with the perpendicular to. the inclined plane of the soil D. none of these 47 / 50 47. For three-dimensional movement of a weight, which one of the following is most suitable ? A. Chain hoist B. Winch C. Crane D. Jack 48 / 50 48. A beam carries a uniformly distributed load throughout its length. In which of the following configurations will the strain energy be maximum? A. Cantilever B. Simply supported beam C. Propped cantilever D. Fixed beam 49 / 50 49. Undisturbed soil samples are required for conducting A. hydrometer test B. shrinkage limit test C. consolidation test D. specific gravity test 50 / 50 50. Which one of the following is the best method for the stabilization of the clayey subgrade in water-logged area ? A. Cement stabilization B. Lime stabilization C. Bitumen stabilization D. Stabilization by grouting Your score is The average score is 57% 0% Restart quiz Exit civil engineermcqcivilmock testsub engineersub engineer mock test
