138 Sub-Engineer Mock Test of 50 Past Question #66 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. In ordinary residential building, the damp proof course is generally provided at A. Ground level B. Plinth level C. Water table level D. Still level 2 / 50 2. For DPC at plinth level, the commonly adopted material is A. Bitumen sheeting B. Plastic sheeting C. Mastic asphalt D. Cement concrete 3 / 50 3. Classification of construction work is A. Minor and major works B. Minor works and projects C. Minor, major and project works D. None of the above 4 / 50 4. The foundation in which a cantilever beam is provided to join two footing is known as A. Strip footing B. Strap footing C. Combined footing D. Raft footing 5 / 50 5. The size of doors and windows frame is A. 25mm * 50mm B. 50mm x 50mm C. 75mm * 100mm D. None of the above 6 / 50 6. A well is considered to be good if it is sunk into A. Clay B. Sand C. Slit D. Course gravel 7 / 50 7. Surface water is obtained from A. Well B. Springs C. Artesian well D. Rain 8 / 50 8. For calculation of economical diameter D of a pipe in meters for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula A. D = 0.22√Q B. D = 1.22√Q C. D = 2.22√Q D. D = 3.22√Q 9 / 50 9. The pressure measured with the help of a pressure gauge is called A. Atmospheric pressure B. Gauge pressure C. Absolute pressure D. Mean pressure 10 / 50 10. The imaginary line joining the each head of water is called A. Hydraulic gradient line B. Residual head line C. Loss of gradient line D. None of the above 11 / 50 11. Manning’s formula is used for A. Flow in open channel B. Head loss due to friction in open channel C. Flow in pipe D. Head loss due to friction in pipe running full 12 / 50 12. A pressure conduit laid underground may not be subjected to A. Internal pressure of water B. Pressure due to external load C. Longitudinal temperature stress D. Longitudinal stresses due to unbalanced pressure to bends 13 / 50 13. Hydraulic ram is a device A. For lifting water without electric motor B. For accelerating water flow C. For lifting heavy loads D. None of the above 14 / 50 14. To reduce the possibility of cracking generally the minimum grade of concrete used in RCC water tank is A. M20 B. M10 C. M15 D. M7.5 15 / 50 15. In supply mains, water hammer pressure is reduced by providing A. Sluice valve B. Air valve C. Pressure relief valve D. None of the above 16 / 50 16. The process of killing pathogenic bacteria from water is called A. Sedimentation B. Filtration C. Coagulation D. Disinfection 17 / 50 17. For design of sewers, percentage of sewage discharge is assumed as A. 65 to 75% B. 70 to 75% C. 75 to 80% D. 100% 18 / 50 18. A manhole is generally not provided at each A. Bend B. Junction C. Change of sewer diameter D. None of the above 19 / 50 19. The inspection pit or chamber is a manhole provided in a base drainage system A. At every change of direction B. At every change of gradient C. At every 30 meter intervals D. All of the above 20 / 50 20. The bacteria which can serve with or without oxygen is known as A. Aerobic bacteria B. Anaerobic bacteria C. Facultative bacteria D. None of the above 21 / 50 21. Pick up the item which is not included in the plinth area estimated A. Room area B. Wall thickness C. Courtyard area D. Verandah area 22 / 50 22. The main factor to be considered while preparing a detailed estimate is A. Quantity of materials B. Availability of materials C. Transportation of materials D. All of the above 23 / 50 23. The most popular type of organization used for civil engineering construction is A. Effective organization B. Functional organization C. Line and staff organization D. Line organization 24 / 50 24. Which of the technique was used firstly for the planning of a project? A. Bar chart B. CPM C. PERT D. Milestone 25 / 50 25. The main purpose of as built drawing is A. Maintenance of service work B. Dimensioning C. To award tender D. All of the above 26 / 50 26. The purpose of proper and accurate measurement of concrete ingredients for uniformly of properties, is known as A. Grading B. Curing C. Mixing D. Batching 27 / 50 27. In order to determine the natural features such as valley, rivers, lakes etc., the surveying preferred is A. City surveying B. Location surveying C. Cadastral surveying D. Topographical surveying 28 / 50 28. The line joining the points having the same elevation above datum surface is called a A. Contour surface B. Contour line C. Contour interval D. Contour gradient 29 / 50 29. The two point and three point problem are method of A. Orientation B. Resection C. Traversing and resection D. Both A and B 30 / 50 30. The top of the plane table is made of A. Steel B. Brass C. Iron D. Wood 31 / 50 31. To give a brilliant finish, the type of varnish used is A. Water varnish B. Turpentine varnish C. Spirit varnish D. Oil varnish 32 / 50 32. Queen closer may be placed A. In header course B. In stretcher course C. In header course next to first brick D. In any position 33 / 50 33. Liquid limit and plastic limit exist in A. Sandy soils B. Silty soils C. Gravel soils D. Clay soils 34 / 50 34. A RCC beam not provided with shear reinforcement may develop cracks in its bottom, inclined roughly to the horizontal at A. 45° B. 75° C. 60 D. 90° 35 / 50 35. The relation between void ratio (e) and porosity ratio (n) is A. n = e/(1 – e) B. e = n/(1 + n) C. n = e/(1 + e) D. e = n/(1 – n) 36 / 50 36. Unit of kinetic viscosity is A. Newton sec/m² B. Newton sec/ m³ C. M²/sec D. M³/sec 37 / 50 37. The mass per unit volume of a liquid at standard temperature and pressure is called A. Specific weight B. Mass density C. Specific gravity D. None of the above 38 / 50 38. Which of the following have an influence on the value of permeability? A. Grain size. B. Void ratio C. Degree of saturation D. All of the above 39 / 50 39. The bearing capacity of soil depends upon A. Size of particles B. Cohesive properties of particles C. Shape of particles D. All of the above 40 / 50 40. The factor which affects the compaction of soil is A. Moisture content B. Method of compaction C. Type of soil D. All of the above 41 / 50 41. The bed slope in slow sand filters is generally kept A. 1 in 50 B. 1 in 75 C. 1 in 100 D. 1 in 200 42 / 50 42. The shear reinforcement in RCC is provided to resist A. Vertical shear B. Horizontal shear C. Diagonal compression D. Diagonal tension 43 / 50 43. When shear force at a point is zero, the bending moment is …….at the point. A. Zero B. Maximum C. Minimum D. Infinity 44 / 50 44. The section in which concrete is not fully stressed to its permissible value when stress in steel reaches its maximum value is called A. Under-reinforced section B. Over-reinforced section C. Critical section D. Balanced section 45 / 50 45. A column is regarded as long column if the ratio of its effective length and lateral dimension exceeds A. 10 B. 20 C. 15 D. 25 46 / 50 46. In a combined footing if shear stress exceeds 5 kg/cm², the nominal stirrups provided are A. 6 legged B. 8 legged C. 10 legged D. 12 legged 47 / 50 47. For walls, columns and vertical faces of all structural members, the form work is generally removed after A. 24 to 48 hours B. 3 days C. 7 days D. 14 days 48 / 50 48. The diameter of needle used in Vicat’s apparatus for the determination of initial setting time is prescribed as A. 0.5 mm B. 1 mm C. 5 mm D. 10mm 49 / 50 49. The bulk modulus of elasticity with increase in pressure A. increases B. decreases C. remains constant D. unpredictable. 50 / 50 50. Rotameter is a device used to measure A. absolute pressure B. velocity of fluid C. flow D. rotation Your score is The average score is 61% 0% Restart quiz Exit civil engineerloksewamcqmock testpscsub engineersub engineer mock test