99 Sub-Engineer Mock Test of 50 Past Question #62 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. Required water content during compaction of soil corresponding to maximum dry density is called A. Maximum moisture content B. Minimum moisture content C. Optimum moisture content D. None of the above 2 / 50 2. The relationship between coefficient of active earth pressure (Ka) and passive earth pressure (Kp) is A. Ka = Kp B. Ka + KP = 0 C. Ka = 1/Kp D. None of the above 3 / 50 3. A fully saturated soil is called, A. One phase system B. Two phase system with soil and air C. Two phase system with soil and water D. Three phase system 4 / 50 4. The maximum density of compaction occurs at a particular water content which is known as A. Maximum moisture content B. Low moisture content C. Water content of compaction D. Optimum moisture content 5 / 50 5. Maximum shear stress at M20 concrete is equal to A. 1.6 N/mm² B. 2.8 N/mm² C. 1.9 N/mm² D. 2.0 N/mm² 6 / 50 6. The longitudinal reinforcement provided for RCC column restricted to A. 0.40 to 4% B. 0.60 to 6% C. 0.80 to 8% D. 0.80 to 6% 7 / 50 7. Minimum thickness of load bearing RCC wall should be A. 5 cm B. 10 cm C. 15 cm D. 20 cm 8 / 50 8. Which of the following soil has lowest bearing capacity? A. Fine sand loose and dry B. Moist clay C. Coarse sand loose and dry D. Coarse gravel 9 / 50 9. Black cotton soil is unsuitable for foundations because its A. Bearing capacity is low B. Permeability is uncertain C. Particles are cohesive D. Property to undergo a volumetric change due to variation of moisture content 10 / 50 10. For the construction of flyovers in sandy soils, the type of foundation provided, is A. Strap footing B. Raft footing C. Combined footing D. Pier footing 11 / 50 11. The construction joints in buildings are provided after A. 20 m B. 30 m C. 40 m D. 50 m 12 / 50 12. If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fitness modulus of the aggregate, is A. 7.30 B. 7.35 C. 7.40 D. 7.45 13 / 50 13. Pick up the correct proportions of chemical ingredients of cement A. Silica: Lime: Alumina: Iron oxide: 63:22:6:3 B. Lime: Silica: Alumina: Iron oxide: 63:22:6:3 C. Alumina: Silica: Lime: Iron oxide: 63:22:6:3 D. Iron oxide: Alumina: Silica: Lime: 63:22:6:3 14 / 50 14. The main function of a manhole in a sewer line is A. Inspection of sewer B. Cleaning of sewer C. Joining different types of sewer D. Joining different sewer with different sizes 15 / 50 15. If the head of water is more than 100m, then the types of pipe used is A. PVC B. HDPE C. Plastic D. Gl 16 / 50 16. A water which does not contain harmful impurities and does contain other salts and impurities either good for health or harmful to health is called A. Sterilized water B. Wholesome water C. Pure water D. All of the above 17 / 50 17. Maximum velocity for all sewer at Nepal is limited to A. Less than 1 m/sec B. 1-1.20 m/sec C. 1.5-.2.0 m/sec D. 3.0-3.5 m/sec 18 / 50 18. The canal which is not supposed to do any irrigation is called A. Main canal B. Water course C. Major distributary D. Minor distributary 19 / 50 19. Kor-watering is the irrigation water supplied to a crop A. Just before harvesting B. At the time of its sowing C. About three weeks after sowing D. About three weeks before harvesting 20 / 50 20. If the irrigation efficiency is 80%, conveyance losses are 20% and the actual depth of watering is 16 cm, the depth of water required at the canal outlet, is A. 25 cm B. 30 cm C. 35 cm D. 40 cm 21 / 50 21. According to manning’s equation, the maximum discharge in a circular channel of diameter, D occurs when the depth of flow is A. 0.469D B. 0.703D C. 0.938D D. 0.981D 22 / 50 22. Government of Nepal has declared following highway as National Pride Project A. Mahendra Highway B. Araniko Highway C. Mid Hill Highway D. Prithivi Highway 23 / 50 23. The initial application of a binder to an absorbent highway surface prior to the construction of a wearing coat is called, A. Prime coat B. Tack coat C. Base coat D. Seal coat 24 / 50 24. The layer of pavement located immediately above the sub grade soil to improve the load supporting capacity is called A. Wearing course B. Base course C. Sub base course D. Sealing 25 / 50 25. A documents showing the list of quantity of various items of works required for completion of any project is known as A. Schedule of rates B. Analysis of rate C. Abstract of cost D. Schedule of quantity 26 / 50 26. The unit of measurement of the wooden railings in staircase is A. Sqm B. Cum C. RM D. Kg 27 / 50 27. The value of dismantled material less the cost of dismantling is A. Scrap value B. Salvation value C. Ratable value D. None of the above 28 / 50 28. Vehicle is a liquid which acts as a binder for various pigments of the paints A. True for oil paint B. True for water paint C. Both (a) and (b) D. None of the above 29 / 50 29. The velocity distribution of viscous fluid through a circular/pipe is A. Hyperbolic B. Parabolic C. Circular D. Elliptical 30 / 50 30. For a most economical trapezoidal open channel, the half of the top width must be equal to A. The bed width B. One sloping side C. The depth of flow D. None of the above 31 / 50 31. The flow in open channel is laminar if the Reynolds number is A. Less than 500 B. More than 500 C. 1000 D. None of the above 32 / 50 32. Which of the following methods of plane table surveying is used to locate the position of an inaccessible point? A. Radiation B. Intersection C. Traversing D. Resection 33 / 50 33. The number of horizontal cross wires in a stadia diaphragm is A. One B. Two C. Three D. Four 34 / 50 34. The instrument used for accurate centering in plane table survey is A. Spirit level B. Alidade C. Plumbing fork D. Trough compass 35 / 50 35. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by A. Bowditch's rule B. Transit rule C. Empirical rule D. All of the above 36 / 50 36. The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is A. Circle B. Parabola C. Ellipse D. Straight line 37 / 50 37. Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as A. Compound beams B. Indeterminate beams C. Determinate beams D. Composite beams 38 / 50 38. Generally, first portion of a logistic curve for the population growth of a developing city, represents the growth of A. Increasing B. Decreasing C. Constant D. All the above 39 / 50 39. The storage capacity of a reservoir may be divided into three zones. The lowest zone is A. Dead storage B. Useful storage C. Surcharge storage D. None of these 40 / 50 40. Higher yield may be expected from A. Gravity springs B. Surface springs C. Artesian springs D. All the above 41 / 50 41. The surface where two successive placements of concrete meet, is known as A. Contraction joint B. Expansion joint C. Construction joint D. Both (a) and (b) 42 / 50 42. Curing of pavements, floors, roofs and slabs, is done by A. Membrane method B. Ponding method C. Covering surface with bags D. Sprinkling water method 43 / 50 43. The difference between the time avail-to do a job and the time required to do the job, is known as A. Event B. Float C. Duration D. Constraint 44 / 50 44. The pavement width of a road depends upon A. Terrain B. Type of traffic C. Number of lanes D. All the above 45 / 50 45. The property of fluid by virtue of which it offers resistance to shear is called A. Surface tension B. Adhesion C. Cohesion D. Viscosity 46 / 50 46. A fluid in equilibrium can’t sustain A. Tensile stress B. Compressive stress C. Shear stress D. Bending stress 47 / 50 47. The stone masonry of finely dressed stones laid in cement or lime, is A. Random rubble masonry B. Coursed rubble masonry C. Dry rubble masonry D. Ashlar masonry 48 / 50 48. The beam outside a wall upto floor level above it, is known as A. Rafter B. Purlin C. Spandrel beam D. Lintel 49 / 50 49. The window which projects outside a room of a building for admitting more light and air, is known A. Bay window B. Casement window C. Lantern window D. Dormer window 50 / 50 50. A very comfortable type of stairs is A. Straight B. Dog legged C. Geometrical D. 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