98 Sub-Engineer Mock Test of 50 Past Question #63 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. The permissible velocity in concrete lined canal is A. 0.5 m/s B. 1 m/s C. 2 m/s D. 4 m/s 2 / 50 2. In road surface, seal coat is a layer of A. Cement concrete B. Coarse sand+ Bitumen C. Water repellant agent D. Adhesive to improve bond between aggregates 3 / 50 3. On sharp curves, widening of the carriage way is done by A. Providing more width on the inner curve B. Providing more width on the outer curve C. Distributing equally on inner and outer curves D. Distributing 3/4 on outer and 1/4 on inner curves 4 / 50 4. Bitumen stabilization acts as a A. Hydrophilic medium B. Adhesive for coarse grains and water proofing agent for fine grains C. Destroyer of organic matter and hence more strength D. Thin cover that gets oxidized in a few days 5 / 50 5. In road, higher value of super elevation is highly undesirable for A. Fast moving vehicles B. Slow moving vehicles C. Mixed traffic D. Non Snow falling areas 6 / 50 6. The volume of cement in one bag is A. 0.067 m³ B. 0.050 m³ C. 0.033 m³ D. 0.025 m³ 7 / 50 7. The approximate weight of one cubic metre of mild steel is A. 1000 kg B. 2400 kg C. 1400 kg D. 7850 kg 8 / 50 8. Which of the following method is more accurate in preparing quantity estimate of a building? A. Centre line method B. Plinth area method C. Long wall and short wall method D. Crossing method 9 / 50 9. The annual periodic payment made for the repayment of the capital investment is known as A. Annuity B. Depreciation C. Sinking fund D. Solation 10 / 50 10. During rate analysis the contractor’s overhead is considered as A. 5% B. 10% C. 15% D. 20% 11 / 50 11. Critical path is A. Always longest B. Always shortest C. May be longest D. May be shortest 12 / 50 12. Total project cost A. Increases with increase in time B. Reduces with increase in time C. Initially reduces then increases with increase in time D. Initially increases then reduces with increase in time 13 / 50 13. A defined area on a land aerodrome intended to accommodate aircraft for purpose of loading or unloading passengers, mail or cargo, fueling, parking or maintenance is known as A. Terminals B. Taxiway C. Landing D. Apron 14 / 50 14. According to ICAO aerodrome design manual, the maximum transverse slope of the runway shall not exceed A. 2% B. 3% C. 4% D. 5% 15 / 50 15. According to ICAO, the maximum longitudinal gradient along the runway is limited to A. 1.5% B. 3% C. 5% D. 7% 16 / 50 16. Tachometry is best suited for A. When chaining is impossible B. For populous areas C. In broken ground D. For extremely accurate survey 17 / 50 17. If bearing of OA=20°, and bearing OB =120°, angle of AOB is A. 140° B. 100° C. 80° D. 240° 18 / 50 18. Contour lines A. End abruptly B. Cross each other C. Are uniformly spaced D. Close somewhere 19 / 50 19. The advantages of plane tabling is A. It is a tropical instrument B. It is many precision accessories C. Plotting is done outdoor D. Chances to miss the details are less 20 / 50 20. In domestic buildings, the sufficient width of stair is about A. 0.45 meter B. 1 to 1.5 meter C. 2 to 2.5 meter D. 3 meter 21 / 50 21. A brick or stone put in position in the masonry such that its length is parallel to the face of wall is known as A. Header B. Stretcher C. Closer D. Bull nose 22 / 50 22. Slump test for concrete is carried out, determine A. Strength B. Durability C. Water content D. Workability 23 / 50 23. The term ‘frog’ of a brick means A. An apparatus to lift the brick B. A depression on face of a brick C. Vertical joint in a brick D. Burnt part of a brick 24 / 50 24. Elasticity of a body is A. The property by which a body returns to its original shape after removal of the load B. Ratio of stress to strain C. The resistance to the force acting D. Large deformability as in case of rubber 25 / 50 25. The bending moment in a beam will be maximum where A. The share force is uniform B. The share force is maximum C. The share force is zero D. None of the above 26 / 50 26. To find the maximum effect of any non-unit on a beam, the ordinate results obtained by the influence line are multiplied by A. The magnitude of the actual load to be applied B. The magnitude of the actual load at critical location C. Shear force at the center of the beam D. Bending at the center of the beam 27 / 50 27. An ideal fluid is defined as the fluid which is A. Compressible B. Incompressible C. Incompressible and non-viscous D. Bending at the center of the beam 28 / 50 28. Hydraulic gradient line (H.G.L) represent the sum of A. Pressure head and kinetic head B. Kinetic head and datum head C. Pressure head, kinetic head and datum head D. Pressure head and datum head 29 / 50 29. When a free surface is subjected to atmospheric pressure, flow is called? A. Open channel flow B. Pipe flow C. Subcritical flow D. Laminar flow 30 / 50 30. Which of the following flow is unsteady flow? A. Rapidly varied flow B. Gradually varied flow C. Uniform flow D. None of the above 31 / 50 31. To what category do the sand and gravel belong A. Cohesion less soils B. Cohesive soils C. Marine soils D. Expansive soils 32 / 50 32. The relation between void ratio’ ‘e’ specific gravity ‘G’, water content ‘w’ and degree of saturation ‘S’ is given by A. e=wG/S B. e = SG/w C. e=wS/G D. e = wGS 33 / 50 33. Kaolinite, illite and Montmorillonite represent A. Residual soils B. Cohesionless soil C. Alluvial soils D. Clay minerals 34 / 50 34. The ratio of volume of voids to total volume of given soil is called A. Void ratio B. Porosity C. Air content D. Air ratio 35 / 50 35. The main reinforcement in RCC cantilever members is placed at A. Top fibre B. Side fibres C. Bottom fibre D. Both (a) and (c) 36 / 50 36. The hoop tension in RCC water tanks must be resisted by A. Steel only B. Partly by concrete and partly by steel C. Concrete alone D. All of the above 37 / 50 37. Pile foundation are normally used A. In soft clay soil B. In heavy load situation C. When bearing area required is not available D. In loose sandy soil 38 / 50 38. In working state method of design, minimum percentage of reinforcement is A. 0.40 B. 0.15 C. 0.12 D. 0.20 39 / 50 39. Granular soils are better compacted by A. Sheep foot rollers B. Vibratory rollers C. Pneumatic rollers D. Chain rollers 40 / 50 40. Workability can be increased without compromising strength of a beam by adding A. More water B. More cement C. Admixtures D. None of the above 41 / 50 41. Curing is the process of preventing the loss of moisture from the concrete. Also equally important in curing is A. Temperature gradient B. Admixture added C. Compaction level D. Slump value 42 / 50 42. Separation of various ingredients of a concrete during transporting is called A. Bleeding B. Segregation C. Honey combing D. Slumping 43 / 50 43. Partial safety factor for steel in limit state of collapse is taken to be A. 1.5 B. 1.2 C. 1.15 D. 0.8 44 / 50 44. A good source of water requiring practically the least treatment is A. A perennial river B. An impounded reservoir C. A deep well D. An elevated lake 45 / 50 45. When the pipes are connected in series, the total rate of flow is A. Is equal to sum of rate of flow in each pipe B. Is equal to the reciprocal of sum of rate of flow in each pipe C. Is same as flowing through each pipe D. Close somewhere 46 / 50 46. A sanitary sewer is expected to run A. Full B. Half full C. Two third full D. 90% full 47 / 50 47. A septic tank is an air tight where the following operations take place A. Sedimentation B. Sedimentation +Anaerobic digestion C. Aerobic digestion D. Decomposition of organic and inorganic matter by bacteria 48 / 50 48. The field capacity of an irrigation soil depends on A. Porosity and pore size B. Only one porosity C. Only on pore size D. Porosity and depth of root zone 49 / 50 49. The most desirable alignment of an irrigation canal is along A. The ridge line B. A contour line C. The valley line D. A straight line 50 / 50 50. A canal carries a discharge of 5 m³ per second 3 with slope of 1:100 for the same depth of flow its discharge carrying capacity will be doubled by increasing its slope to: A. 1:50 B. 1:25 C. 1:10 D. 1:75 Your score is The average score is 53% 0% Restart quiz Exit civil engineerloksewamcqcivilmock testpscsub engineersub engineer mock test