118 Sub-Engineer Mock Test of 50 Past Question #53 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. Moment of inertia of an object having rectangular section of ‘b’ as width and ‘d’ as depth is given by: A. bd³/12 B. bd²/12 C. b²d²/12 D. db³/24 2 / 50 2. Stone aggregates are said to be flaky if its’ least dimension is less than the mean dimension by: A. 1/2 B. 2/3 C. 3/4 D. 3/5 3 / 50 3. Garret diagram was invented for the sake of A. kennedy's and kutter's equation B. lacey's equation C. manning's equation D. all of the above 4 / 50 4. If area is in m² and the length is also in m, then the moment of inertia is expressed as: A. m³ B. m^4 C. m^5 D. none of the above 5 / 50 5. The lateral earth pressure exerted by the soil when the retaining wall moves away from the back fill is: A. earth pressure at rest B. active earth pressure C. passive earth pressure D. total earth pressure 6 / 50 6. Construction of cavity wall is for the purpose of A. sound insulation B. heat insulation C. cost-effectiveness D. all of the above 7 / 50 7. The minimum reinforcement in either direction in slabs using mild steel should not be less than A. 0.15% of the total cross-sectional area B. 0.12% of the total cross-sectional area C. 0.10% of the total cross-sectional area D. none of the above 8 / 50 8. Initial setting time of ordinary Portland cement is: A. 15 minutes B. 30 minutes C. 60 minutes D. 6 hours 9 / 50 9. Fall in the canal bed is provided if: A. change in bed slope is required B. change in cross sectional areas is needed C. ground slope is less than designed slope D. ground slope is more than the designed slope 10 / 50 10. In the design of pavement thickness using CBR method, CBR value is considered for penetration of A. 2.5 mm B. 5 mm C. 7,5 mm D. 10 mm 11 / 50 11. While plotting in a paper at a scale of 1:1000, a distance of 20 m in the field is equivalent to: A. 2 mm B. 2 cm C. 20 cm D. none of the above 12 / 50 12. The velocity at which the solid without settling at the bottom particles will remain suspension of sewer is: A. uniform velocity B. non uniform velocity C. self- cleaning velocity D. scouring velocity 13 / 50 13. According IS system of classification of soil, silt has the size between A. 0.002 mm to 0.06 mm B. 0.02 mm to 0.6 mm C. 0.2 mm to 6 mm D. none of above 14 / 50 14. Land in only one side can be irrigated in case of: A. side slope canal B. water shed canal C. contour canal D. gravity canal 15 / 50 15. Time required by rainwater to reach outlet of the drainage basin is known as: A. time of overland flow B. time of concentration C. duration of surface flow D. run off duration 16 / 50 16. Sale value at the end of estimated life of structure of an equipment without dismantling is: A. scarp value B. residual value C. salvage value D. retained value 17 / 50 17. In case of pipe flow, if diameter of pipe is increased and the other conditions remains same, head loss will: A. increase B. decrease C. remain constant D. none of above 18 / 50 18. The prime, objective of construction management is A. to complete the work within the estimated budget B. to complete the work within estimated time C. high quality workmanship, safety etc D. all of the above 19 / 50 19. Bottom most component of a flexible pavement is: A. subgrade B. base C. subbase D. capping layer 20 / 50 20. The earliest method used for planning of projects was A. CPM B. PERT C. bar chart D. milestone chart 21 / 50 21. Specification specifies or describes A. nature and class of works B. quality of materials to be used in the works C. workmanship of works D. all of the above 22 / 50 22. The order of booking the dimension is A. height, breadth, length B. breadth, length, height C. length, breadth, height D. none of the above 23 / 50 23. Hair pin bend are frequently provided at A. hill road B. express way C. plain area road D. all of the above 24 / 50 24. The portion of earth immediately beyond the carriageway edge is A. shoulder B. berm C. haunch D. all of the above 25 / 50 25. Which is the eldest highway in Nepal? A. B.P. highway B. tribhuvan highway C. mahendra highway D. prithivi highway 26 / 50 26. Which of the following shapes is preferred in a valley curve? A. simple parabola B. spiral C. cubic parabola D. lemniscate 27 / 50 27. Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain? A. canal fall B. canal outlet C. canal escape D. canal regulator 28 / 50 28. The most efficient section of a channel is A. triangular B. rectangular C. square D. trapezoidal 29 / 50 29. The total length of tunnel from the intake to sundarijal of the melamchi water supply project is A. 30 km B. 26 km C. 20 km D. 22 km 30 / 50 30. As the diameter of sewer increases, the self-cleaning velocity A. increases B. decreases C. remains unchanged D. depends on other factors 31 / 50 31. An ornamental projection from the face of a brick wall is called A. header B. stretcher C. corbel D. cornice 32 / 50 32. From the point of view of maximum day light, the windows in a room should be located on A. eastern side B. western side C. northern side D. southern side 33 / 50 33. The total thickness of flat slab should not be more than A. 125 mm B. 200 mm C. 230 mm D. none of the above 34 / 50 34. Airport runway is usually oriented in the A. direction of prevailing wind B. across the direction of prevailing wind C. can be built in any direction D. all of the above 35 / 50 35. The foundation in which a cantilever beam is provided to join two footings is A. strap footing B. strip footing C. raft footing D. combined footing 36 / 50 36. A column is considered as a long column if its slenderness ratio is more than A. 28 B. 12 C. 20 D. 24 37 / 50 37. According to Dracy’s law, the velocity of flow of water through soil is depends on A. specific gravity of soil B. permeability and hydraulic gradient C. swelling effect of soil D. water content in the soil 38 / 50 38. Soils containing organic matter A. are of spongy nature B. swell with decrease of moisture C. shrink with increase of moisture content D. all of the above 39 / 50 39. Which of following test is carried out in the field while doing site investigation? A. standard penetration test B. proctor compaction test C. liquid limit test D. none of above 40 / 50 40. The range of velocity in a pipe A. 0.5-2.5 m/sec B. 1-3.5 m/sec C. 0.7-3 m/sec D. 1-5 m/sec 41 / 50 41. The discharge over a broad crested weir is maximum when the depth of flow is A. available head/3 B. available head/2 C. available head * 2/5 D. available head * 2/3 42 / 50 42. Bitumen is generally obtained from A. organic material B. synthetic material C. petroleum product D. coal 43 / 50 43. Beaufort scale consists of A. 0 to 5 numbers B. 0 to 10 numbers C. 0 to 12 numbers D. 0 to 20 numbers 44 / 50 44. ABCD is a square, bearing of AB = 40°, Hence bearing of DC is A. 40° B. 130° C. 220° D. 310° 45 / 50 45. Which of the following instrument is generally used for base line measurements? A. chain B. metallic tape C. steel tape D. invar tape 46 / 50 46. The contour line can cross one another on map only in the case of: A. A valley B. A ridge C. A saddle D. An overhanging cliff 47 / 50 47. Flow through the valve is only in one direction in : A. scour valve B. reflex valve C. gate valve D. flexible valve 48 / 50 48. The proportions of lime and sand in the mortar normally used in brick construction are A. 1:2 B. 1:4 C. 1:6 D. 1:8 49 / 50 49. Workability of concrete is inversely proportional to A. time of transit B. water-cement ratio C. the air in the mix D. size of aggregate 50 / 50 50. The most accurate method for the determination of water content in the laboratory is A. Sand bath method B. oven drying method C. pycnometer method D. calcium carbide method Your score is The average score is 63% 0% Restart quiz Exit civil engineerloksewamcqmcq civilmcqcivilmock testsub engineersub engineer mock test