122 Sub-Engineer Mock Test of 50 Past Question #61 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. The temporary structure required to support an unsafe structure or to give support to the building at risk is called A. Formwork B. Scaffolding C. Underpinning D. Shoring 2 / 50 2. The aggregates of…….shape have minimum voids A. Angular B. Rounded C. Irregular D. Flaky 3 / 50 3. An aggregates is said to be flaky if its least dimension is less then A. 2/3 of mean dimension B. 3/4 of mean dimension C. 3/5 of mean dimension D. 5/8 of mean dimension 4 / 50 4. The content of total solids in drinking water shall not be to greater than A. 100 mg/l B. 500 mg/l C. 1000 mg/1 D. 2000 mg/1 5 / 50 5. A septic tank is water tight tank where the following operations take place A. Sedimentation B. Sedimentation and digestion (anaerobic) C. Digestion (aerobic) D. Decomposition of organic and inorganic matter by bacteria 6 / 50 6. By boiling water, hardness can be removed if it is due to A. Calcium sulphate B. Magnesium sulphate C. Calcium bicarbonate D. None of the above 7 / 50 7. Septic tank effluent is A. Quite clear and sparkling B. Always odourless C. Having fine organic solids with high BOD D. Black tarry liquor with earthen odour 8 / 50 8. The relationship between the duty D in h/cumec, the water depth Δ in cm and base period B in days is given by A. D = 8.64B / Δ B. D = 8.64B / Δ C. D = 8.64Δ / B D. D =8.64 Δ/B 9 / 50 9. In open channel flow the velocity of flow is directly proportional to A. Length of the channel B. Discharge of the channel C. Bed slope of the channel D. Cross-sectional area of the channel 10 / 50 10. The quantity of water retained by the sub-soil against gravity, is known A. Yield B. Porosity C. Specific yield D. Specific retention 11 / 50 11. The type of canal meant for diversion of flood waters, of the river is A. Ridge canal B. Inundation canal C. Perennial canal D. Permanent canal 12 / 50 12. If L is the length of a moving vehicle and R is the radius of curve, the extra mechanical width b to be provided on horizontal curves A. L/R B. L/2R C. L²/2R D. L³/2R 13 / 50 13. A bridge with span more than 6m but less than or equal to 20 meters is called A. Culvert B. Major bridge C. Medium bridge D. Minor bridge 14 / 50 14. A deep and big depression on a road is called A. Corrugation B. Longitudinal rut C. Pot hole D. Crack 15 / 50 15. Cross sectional area of a 20mm dia bar is A. 201mm² B. 254mm² C. 314mm² D. 346mm² 16 / 50 16. Cubic meter of cement is equivalent to A. 5 bags B. 7 bags C. 9 bags D. 10 bags 17 / 50 17. The technique of determining the fair price or value of a property such as a building is, A. Estimation B. Valuation C. Specification D. Procurement 18 / 50 18. The value of the property at the end of the useful life period is known as A. Scrap value B. Salvage value C. Junk value D. Book value 19 / 50 19. Bar charts are suitable for A. Minor projects B. Medium projects C. Major projects D. All of the above 20 / 50 20. The amount required to be deposited by a contractor while submitting a tender as A. Fixed deposit B. Caution deposit C. Security deposit D. Earnest money deposit 21 / 50 21. Various activities of a project, are shown on bar charts by A. Vertical lines B. Horizontal lines C. Dots D. Crosses 22 / 50 22. Load from a column or wall generally spreads out in the form of a truncated pyramid whose side slopes at an angle of 45°, which is called A. Angle of repose B. Angle of stability C. Angle of failure D. Angle of dispersion 23 / 50 23. The longest chain line passing through the center of the area of known as A. Base line B. Tie line C. Check line D. Contour line 24 / 50 24. In survey, a building is an obstacle to A. Chaining but not ranging B. Ranging but not chaining C. Both ranging and chaining D. None of the above 25 / 50 25. The whole circle bearing of a line is 300° converted into reduced bearing A. N 60° W B. S 60° W C. N 60° E D. S 60° E 26 / 50 26. The inclination between the longitudinal axis of a magnetic needle and the horizontal plane through its pivot is called A. Declination B. Bearing C. Azimuth D. Dip 27 / 50 27. The function of frog in a brick is A. Advertisement of manufacture B. Reduction in weight C. Easy in handling D. To from a key during laying 28 / 50 28. Snowcem paints is a type of A. Cement paint B. Aluminium paint C. Cellulose paint D. Bronze paint 29 / 50 29. The constituent of cement which is responsible for all undesirable properties of cement is A. Dicalcium silicate B. Tricalcium silicate C. Tricalcium aluminates D. Tetra calcium aluminum ferrite 30 / 50 30. The type of bond provided in brick masonry for carrying heavy loads is A. Single Flemish bond B. Double Flemish bond C. English bond D. Zigzag bond 31 / 50 31. Poisson’s ratio is the ratio of A. Young's modulus to modulus of rigidity B. Lateral stress to longitudinal stress C. Lateral strain to longitudinal strain D. Lateral elongation to longitudinal elongation 32 / 50 32. A simply supported beam is subjected to uniformly varying load with zero intensity at two ends increasing to w/m at the centre. The maximum shear force is A. Wl²/4 B. Wl/4 C. Wl/2 D. Wl²/2 33 / 50 33. The moment of inertia of a rectangular section b*d, about the base is A. bd³/6 B. bd³/3 C. bd³/12 D. bd³/36 34 / 50 34. The hydraulic grade line is A. Always above the energy grade line B. The velocity head below the energy grade line C. Always above the closed conduit D. Always slopping downward in the direction of flow 35 / 50 35. In a capillary rise in a glass tube the weight of the liquid raised is supported by A. The atmospheric pressure B. The friction on the walls of the tube C. Both (a) and (b) D. Vertical component of surface tension 36 / 50 36. Hydraulic jump is expected when slope of channel A. Changes from mild to steep B. Changes from mild to milder C. Changes from steep to mild D. Changes from steep to steeper 37 / 50 37. Continuity equation in fluid mechanics deals with the law of conservation of A. Mass B. Momentum C. Energy D. None of the above 38 / 50 38. The active earth pressure of a soil can be defined as lateral pressure exerted by the soil when A. The retaining wall tends to move away from the backfill B. The wall moves into the soil C. The wall is perfectly stationary D. None of the above 39 / 50 39. The ratio of weight of water to the total weight of the soil is known as A. Water content B. Degree of saturation C. Saturated density D. None of the above 40 / 50 40. The liquid limit and plastic limit exist in A. Sandy soils B. Silty soils C. Gravel soils D. Clay soils 41 / 50 41. To obtain grain size distribution, hydrometer analysis is appropriate for A. Peats B. Silt and clays C. Sands and gravels D. All of the above 42 / 50 42. The modular ratio for design purpose for M20 concrete is taken as A. 13.33 B. 18.67 C. 10.98 D. 12.67 43 / 50 43. In consideration of practical problem, the maximum reinforcement in a columns is limited to A. 6% B. 4% C. 8% D. 5% 44 / 50 44. A doubly reinforced beam is used when A. Depth of beam is more than the width B. Extra safety factor is required C. A large moment of resistance is desired D. Depth and width of beam is restricted 45 / 50 45. The angle between the directions of the failure and the major principal plane, is equal to A. 90° + effective angle of shearing resistance B. 90° + half of the angle of shearing resistance C. 45° – half of the angle of shearing resistance D. 45° + half of the angle of shearing resistance 46 / 50 46. When two walls separated by a small gap are connected together by metal pins, it is called A. Cavity wall B. Partition wall C. Double wall D. Normal wall 47 / 50 47. Design of a timber joist in general, is most critical in A. Deflection B. Torsion C. Bending moment D. Shear force 48 / 50 48. When the reservoir is full, the maximum compressive force in a gravity dam is produced A. At the toe B. At the heel C. Within the middle third of base D. At centre of base 49 / 50 49. Coefficient of consolidation of a soil is affected by A. Compressibility B. Permeability C. Both of the above D. None of the above 50 / 50 50. If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists. A. Compressive force B. Tensile force C. Shear force D. Bending moment Your score is The average score is 57% 0% Restart quiz Exit civil engineerloksewamcqmcq civilmcqcivilmock testpscsub engineersub engineer mock test