148 Sub-Engineer Mock Test of 50 Past Question #42 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. In surveying when curvature of earth is taken into consideration then that type is called as A. Chain surveying B. Geodetic surveying C. Plane surveying D. Contouring 2 / 50 2. In a reinforced concrete column, the minimum cover to longitudinal reinforcement shall neither be less than the diameter of the bar nor less than: A. 20mm B. 30mm C. 40mm D. 60mm 3 / 50 3. The grade of concrete generally not used in reinforced concrete structure is: A. M10 B. M15 C. M20 D. M40 4 / 50 4. Two layers of tensile reinforcement bars are put in a flexural members in such a way that the effective depth would be: A. maximum B. minimum C. negative D. zero 5 / 50 5. Shear force in a concrete beam is assumed to act: A. along the longitudinal axis B. on a plane normal to the longitudinal axis C. perpendicular to the longitudinal axis D. vertically downwards 6 / 50 6. Transverse reinforcements in a reinforce concrete beam are mainly to resist: A. axial force B. bending moment C. bonding force D. shear force 7 / 50 7. Tensile internal force tends to: A. crush the member B. elongate the member C. shorten the member D. smash the member 8 / 50 8. Brittle failure of a reinforced concrete beam mostly indicates that the beam is having: A. under reinforcement B. over reinforcement C. balanced reinforcement D. none of the above 9 / 50 9. The earliest period for removing formwork from the RCC slab of a span up to 4:0m under normal atmospheric condition should be : A. 2 days B. 7days C. 14days D. 21 days 10 / 50 10. Which of the following is not an activity associated with damp proofing? A. surface treatment B. hearting C. grunting D. cavity wall construction 11 / 50 11. Which of the following is not a tool used in laying a brick wall? A. trowel B. tri-square C. plumb bob D. auger 12 / 50 12. Which of the foundation is likely to be adopted for a 3 floors high RCC framed residential building? A. raft foundation B. pile foundation C. isolated footing D. continuous wall foundation 13 / 50 13. Source of water in the mountain is: A. tube well B. well C. stream D. none of the above 14 / 50 14. The physical characteristic of sewage is: A. turbidity B. colour C. odour D. all of the above 15 / 50 15. The daily water demand per capita is taken as: A. 20 litres B. 100 liters C. 200 liters D. 300 liters 16 / 50 16. The sludge does not contain waste water from: A. bath rooms B. wash basins C. kitchen sinks D. toilets 17 / 50 17. Manning’s rigidity coefficient is expressed in the unit: A. sm^1/3 B. ms^1/3 C. sm^-1/3 D. m^-1/3 18 / 50 18. In irrigation canals drops are needed, if: A. the width of the canal is less than its depth B. the velocity of flow is more than critical one C. the natural slope is very steep D. the natural slope is very smooth 19 / 50 19. The inward tilt or transverse inclination given to the cross section of a carriageway on a horizontal curve to reduced the effects of centrifugal force on a moving vehicle is known as: A. super elevation B. banking C. cant D. all of above 20 / 50 20. The areas from which rainfall flows into a drainage line, outfall or reservoir is known as: A. run off B. catchment basin C. water shed D. afflux 21 / 50 21. In a road structure, the layer immediately under the surface course is called a: A. sub base B. base course C. carpet D. formation 22 / 50 22. Allowable axle load in a timber bridge with 50mm planks supported on stringers at 600 mm interval is: A. 0.5tone B. 1 tone C. 1.5 tone D. 2 tone 23 / 50 23. Carpet area of a building does not include the area of: A. the walls along with doors and other opening B. verandah, corridor and passage C. bathroom and lavatory kitchen and pantry D. all of the above 24 / 50 24. For estimating painting area for iron grillwork over a door or window opening the area measured will be : A. 1.0xarea of opening between door/window frame B. 1.25xarea of opening between door/window frame C. 1.50xarea of opening between door/window frame D. 2.0xarea of opening between door/window frame 25 / 50 25. For concreting is 1:2:4 cement concrete mix for the floor of a building with floor area equal to 100 sq. meter with thickness of 100 mm, the volume of cement required will be : A. 2.20 m³ B. 4.40 m³ C. 10.0 m³ D. 12.5 m³ 26 / 50 26. The dispute in construction is resolved through discussion of all parties on their respective stands leading to the consensus. The process is called: A. amicable settlement B. arbitration C. dispute resolution board D. dispute adjudication board 27 / 50 27. In critical path method CPM, the actual performance of task is called: A. an event B. an activity C. a duration D. critical task 28 / 50 28. The dummy activity in CPM: A. has no tail event but only a head event B. has only head event but no tail event C. does not required any resources or any time D. has no bearing on the network and appear anywhere 29 / 50 29. Bottom most layer of a pavement is called: A. subgrade B. base course C. sub base course D. wearing course 30 / 50 30. The highest point on road surface is called: A. crown B. camber C. gradient D. derma 31 / 50 31. The basic head loss in a long pipe is due to: A. fittings B. sudden increase in diameter C. sudden decrease in diameter D. friction 32 / 50 32. The unit of kinematic viscosity is: A. ms-¹ B. m²s-¹ C. pas D. pas-¹ 33 / 50 33. Shear stress on principal planes is A. zero B. maximum C. minimum D. none of these 34 / 50 34. Contour line is a line that connects points of equal: A. temperature B. elevation C. distance D. pressure 35 / 50 35. Which of following instruments is used best for the measurement of a vertical angle? A. compass B. protractor C. theodolite D. pressure 36 / 50 36. What should be the actual; plot area for a land measuring 2.5×4.0 cm in a cadastral map drawn at a scale of 1:500? A. 100 m² B. 500 m² C. 250 m² D. 300 m² 37 / 50 37. The age of tree can be known by examining: A. cambium layer B. annular rings C. medullar rays D. heart wood 38 / 50 38. The main ingredients of Portland cement are: A. lime and silica B. lime and alumina C. silica and Lumina D. lime and iron 39 / 50 39. The displacement of natural axis of the beam under the transverse load is: A. slope B. curvature C. deflection D. thrust 40 / 50 40. The strain energy stored in a specimen when strained within the elastic limit is: A. strain energy B. proof resilience C. resilience D. modulus of resilience 41 / 50 41. Practical fluids possess: A. viscosity B. surface tension C. compressibility D. all of the above 42 / 50 42. To measure very low pressure, we use : A. barometers B. piezometers C. monometers D. differential monometers 43 / 50 43. The upper surface of the weir over which water flows is known as: A. vein B. nappe C. sill D. none of the above 44 / 50 44. In flow, the liquid particles may possess : A. potential energy B. kinetic energy C. pressure energy D. all of the above 45 / 50 45. Cohesion less soils are formed due to: A. physical disintegration of rocks B. blowing of wind C. oxidation of rocks D. leaching action of water on the rocks 46 / 50 46. Co-efficient of curvature for a well graded soil is between: A. 1 to 10 B. 2 to 8 C. 3 to 7 D. 1 to 3 47 / 50 47. The ratio of volume of voids to the total volume of the given soil mass is known as: A. porosity B. void ratio C. specific gravity D. water content 48 / 50 48. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal A. is increased B. is decreased C. remains unchanged D. becomes zero 49 / 50 49. The deformation of a spring produced by a unit load is called A. stiffness B. flexibility C. influence coefficient D. unit strain 50 / 50 50. The cavitation occurs in the pipe when the pressure is A. equal to vapour pressure B. very high C. negative D. none of these Your score is The average score is 62% 0% Restart quiz Exit civil engineerloksewamcqmcq civilmcqcivilmock testpscsub engineer