120 Sub-Engineer Mock Test of 50 Past Question #48 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. In a map with contour lines, the steepest slope along the following lines is: A. At an angle of π/4 to the contour B. At an angle of π/3 to the contour C. At an angle of π/2 to the contour D. Along the contour 2 / 50 2. Contours are the lines that join the points of equal: A. Dimension B. Pressure C. Elevation D. Temperature 3 / 50 3. Prolongation of a chain line across an obstruction in chain surveying is done by: A. Drawing perpendiculars with a chain B. Making angular observations C. Solution of triangles D. All the above methods 4 / 50 4. The rise and fall method of leveling provides a complete check on: A. Backsight B. Intermediate sight C. Foresight D. All of the above 5 / 50 5. Each link in a metric chain measures: A. 10cm B. 20cm C. 30cm D. 50cm 6 / 50 6. The percentage of bitumen in asphalt, approximately is: A. 10-20 B. 20-40 C. 40-70 D. 70-90 7 / 50 7. Timber used for centering shuttering becomes unserviceable after being used ……….times: A. 10 B. 16 C. 25 D. 30 8 / 50 8. The main ingredient of a good quality brick is: A. Magnesia B. Lime C. Silica D. Alumina 9 / 50 9. Le Chatelier’s device is used for determining the A. setting time of cement B. soundness of cement C. tensile strength of cement D. compressive strength of cement 10 / 50 10. A simply supported beam with uniform distributed load throughout the span experiences maximum shear force at: A. The supports B. The midspan C. One third of span from the supports D. One fourth of span from the support 11 / 50 11. A cantilever is subjected to moment M at the free end. The deflection at the free end is: A. ML²/2EI B. ML²/3EI C. ML³/2EI D. ML³/3EI 12 / 50 12. The velocity of a moving body is: A. A vector quantity B. A scalar quantity C. A constant quantity D. None of the above 13 / 50 13. An under reinforced section is usually preferred as compared to over-reinforced section, because: A. It is more economical B. It needs less steel C. It causes compression failure D. It causes tension failure 14 / 50 14. The forces which meet at one point, but their lines of action do not like in a plane, are called: A. Co-planer non-concurrent forces B. Non coplanar concurrent forces C. None coplanar non-current forces D. None of the above 15 / 50 15. In open channel flow the depth is critical when the specific energy is: A. Zero B. Maximum C. Minimum D. none of the above 16 / 50 16. The ability of liquid mass to do a work due to its velocity is known as: A. Kinetic energy B. Elevation energy C. Viscosity D. Dynamic Energy 17 / 50 17. If the fluid particles move in a zig-zag way, the flow is called: A. unsteady B. Non-uniform C. Turbulent D. Incompressible 18 / 50 18. The strength of a soil is usually identified by: A. Direct tensile stress B. Direct compressive stress C. Effective stress D. Ultimate shear stress 19 / 50 19. If a soil sample has optimum moisture content then it is: A. In hardest stage B. in plastic equilibrium C. With maximum density D. With minimum density 20 / 50 20. The shear strength of a soil: A. increases with an increase in the normal stress B. is proportional to the cohesion of soil C. is generally known as the strength of soil D. None of the above 21 / 50 21. Which of the following soil types have high safe bearing capacity? A. Soft rock B. Ordinary clay C. compact gravel D. sand stone 22 / 50 22. Minimum grade of concrete to be used in reinforced concrete is: A. M15 B. M20 C. M10 D. M25 23 / 50 23. Providing smaller diameter rebars for a R.C. beam as compared to larger diameter rebars renders the bond strength of the section more: A. stronger B. weaker C. no difference D. Area of the cross section is more important than diameter 24 / 50 24. The maximum diameter of reinforcement bars in R.C.C. slab is: A. 20mm B. 16mm C. span/100 D. thickness of the slab/8 25 / 50 25. If diameter of reinforcement bar is d, the anchorage value of the hook is: A. 4d B. 8d C. 12d D. 16d 26 / 50 26. When heavy loads from single columns are transmitted to a stratum of low bearing capacity, then the footing has more chances of failure due to: A. Punching shear B. Inclined shear C. Earthquake shear D. Horizontal shear 27 / 50 27. The initial setting time of lime-pozzolana is minutes: A. 30 B. 60 C. 90 D. 120 28 / 50 28. By over-reinforcing a beam, the moment of resistance can be increased not more than: A. 10% B. 15% C. 20% D. 25% 29 / 50 29. Which of the followings is a type of membrane D.P.C.? A. Gunitting B. Water proofing compound C. Plastering D. Copper plate 30 / 50 30. A semi-rigid material ideally suited to make damp proof course is: A. Bitumen B. Metal sheet C. Mastic asphalt D. None of the above 31 / 50 31. A horizontal well driven into a water bearing conduit to collect the percolating water is called: A. Artisan well B. Spring well C. Infiltration gallery D. Intake gallery 32 / 50 32. Hard water contains: A. Calcium B. Magnesium bicarbonate C. Magnesium sulphate D. All of the above 33 / 50 33. The minimum width of a septic tank is taken as: A. 70cm B. 75cm C. 80cm D. 90cm 34 / 50 34. The small sewers are cleaned by: A. Flushing B. Cane rodding C. Wooden pills D. None of these 35 / 50 35. When the restrain is full the maximum compressive force in a gravity dam is produced: A. At the head B. At the toe C. At the centre of base D. within the middle third of base 36 / 50 36. The first stage of deciding the alignment of a hill road is: A. Preliminary survey B. Reconnaissance C. Detailed survey D. All of the above 37 / 50 37. In gravel road the binding material is known as: A. Cement B. Lime C. Clay D. Surkhi 38 / 50 38. Bottom most layer of road pavement is known as: A. Sub grade B. Wearing course C. Base course D. sub Base course 39 / 50 39. The top of the ground on which the foundation of road rests, is called: A. Sub-grade B. Soling C. Base D. Wearing layer 40 / 50 40. Floating gradients are generally provided: A. Along maximum gradients B. Along minimum gradients C. At summit curves D. At valley curves 41 / 50 41. As provisioned in government norms, the amount of contingencies in general estimating works should not exceed: A. 2.5% B. 3% C. 4.5% D. 5% 42 / 50 42. Rate analysis is determination of cost of: A. Laborers' wages per day B. Per unit of a particular item of specified work C. Per unit volume of construction materials D. Per unit weight of specified construction materials 43 / 50 43. The CPM is: A. Activity oriented B. Event oriented C. Time oriented D. Resource oriented 44 / 50 44. Arbitration method in the construction industry is used for: A. Awarding the tender B. Inviting the tender C. Opening the tender D. None of the above 45 / 50 45. Daily attendance of labour is recorded in muster roll: A. Daily by sub-engineer B. As per the attendance register C. By an engineer D. By an accountant 46 / 50 46. Red colour is imparted to bricks due to A. ironoxide B. lime C. silica D. magnesia 47 / 50 47. Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is A. 28 litres B. 30 litres C. 32 litres D. 34 litres 48 / 50 48. The minimum cover in a slab should neither be less than the diameter of bar nor less than A. 10 mm B. 15 mm C. 25 mm D. 13 mm 49 / 50 49. Bolts are most suitable to carry A. shear B. bending C. axial tension D. shear and bending 50 / 50 50. A long vertical member, subjected to an axial compressive load, is called A. A column B. A strut C. A tie D. A stanchion Your score is The average score is 57% 0% Restart quiz Exit civil engineermcqmcq civilmcqcivilmock testsub engineersub engineer mock test