82 Sub-Engineer Mock Test of 50 Past Question #76 Sub-Engineer Collection of 50 Past Question from Loksewa Aayog Mock Test. 1 / 50 1. The intercept of a staff A. . is maximum if the staff is held truly normal to the line of sight B. decreases if the staff is tilted away from normal C. is minimum if the staff is held truly normal to the line of sight. D. increases if the staff is tilted towards normal 2 / 50 2. The radius of curvature of the arc of the bubble tube is generally kept A. 10 m B. 100 m C. 50 m D. 25 m 3 / 50 3. If S is the length of a sub-chord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to A. 573 S/R B. 171.9 S/R C. 1718.9 S/R D. 573 R/S 4 / 50 4. The real image of a object formed by the objective must lie A. in the plane of cross hairs B. at the center of the telescope C. at the optical center of the eye-piece D. anywhere inside the telescope. 5 / 50 5. Pick up the correct statement from the following: A. For thin structures subjected to wetting and drying, the water cement ratio should be 0.45 B. For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55 C. For thin structures which remain continuously under water, the water-cement ratio by weight should be 0.55 D. all of the above. 6 / 50 6. Ultimate strength of cement is provided by: A. Tricalcium silicate B. Di-calcium silicate C. Tri-calcium aluminate D. Tetra calcium alumino ferrite 7 / 50 7. Elastomers can extend upto: A. seven times their original dimensions B. five times their original dimensions C. three times their original dimensions D. ten times their original dimensions 8 / 50 8. Bitumen felt A. is used as water proofing material B. is made from bitumen and hessian fibres C. is used as damp proofing material D. all of the above. 9 / 50 9. As compared to uniaxial tension or compression, the strain energy stored in bending is only A. 1/8 B. 1/3 C. 1/4 D. 1/2 10 / 50 10. The weakest section of a diamond riveting, is the section which passes through A. first row B. second row C. central raw D. one rivet hole of end row. 11 / 50 11. The minimum number of rivets for the connection of a gusset plate, Is A. 1 B. 2 C. 3 D. 4 12 / 50 12. The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is A. 416 B. 200 C. 240 D. 360 13 / 50 13. If the atmospheric pressure on the surface of an oil tank(sp.gr. 0.8) is 0.1 kg/cm³, the pressure at a depth of 2.5 m is: A. 1 metre of water B. 3 metres of water C. 2 metres of water D. 3.5 metres of water 14 / 50 14. The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid, if A. area is horizontal B. area is vertical C. area is inclined D. all of the above 15 / 50 15. If the volume of a liquid weighing 3000 kg is 4 cubic metres, 0.75 is its A. specific weight B. specific gravity C. specific mass D. none of these 16 / 50 16. Bernoulli’s equation assumes that A. fluid is non-viscous B. fluid is homogeneous C. flow is steady D. all of the above. 17 / 50 17. Which of the following statement is true? A. Clays are more porous than sands B. Pressure of organic matter in a soil decreases the bearing capacity of the soil C. Aluminous cement is used for foundations in soils with chemical deposits D. All of the above 18 / 50 18. The lateral earth pressure on a retaining wall A. is equal to mass of the soil retained B. proportional to the internal friction of the soil C. proportional to the square of the depth of the soil D. proportional to the depth of the soil 19 / 50 19. The Internal molecular attraction of a soil, the cohesion A. Is more in well compacted clays B. decreases as the moisture content increases C. Increases as the moisture content decreases D. depends upon the external applied load, 20 / 50 20. The quantity of seepage of water through soils Is proportional to A. coefficient of permeability of soil B. total head loss through the soil C. neither (a) nor (b) D. both (a) and (b). 21 / 50 21. The depth ‘d’ of webs without horizontal stiffeners and consisting of tongue plates is taken lesser than the depth of the girder between the flanges less the sum of the depth of the tongue plates, and A. six times the sum of the thickness of tongue plates B. four times the sum of the thickness of tongue plates C. two times the sum of the thickness of tongue plates D. eight times the sum of the thickness of tongue plates 22 / 50 22. For design of a column the eccentricity of loading shall be taken as the distance from the assumed point of application of the load to the centroid of the column, subject to a minimum of A. 10 mm B. 20 mm C. 30 mm D. 50 mm 23 / 50 23. If I is the effective span in meters and D is overall depth of the section in mm, the structure may be accepted after 24 hour load test, provided the maximum deflection in mm less than: A. 10I²/D B. 30I²/D C. 20I²/D D. 40I²/D 24 / 50 24. The approximate value of torsion constant for a box of depth d, width b, and having uniform thickness t, is A. dbt/d+b B. 2d²b²t/d+b C. 2dbt²/d²+b D. 2dbt/d+b² 25 / 50 25. The foundations are placed below ground level, to increase A. strength B. stability of structure C. Workability D. all the above. 26 / 50 26. Studs of a common wooden partition A. are vertical wooden members B. is the upper horizontal wooden member C. is the lower horizontal wooden member D. are the intermediate horizontal wooden members. 27 / 50 27. Pick up the correct statement from the following: A. inclined borings are made for taking samples under existing structures B. inclined borings are occasionally used instead of vertical holes. C. the spacing of inclined borings is kept such that one bore hole is vertically above the bottom of an adjacent bore hole. D. all of the above 28 / 50 28. Pick up the commonly adopted geophysical method in civil engineering from the following A. the seisomic method B. electrical resistivity method C. magnetic method D. both (a) and (b) of the above. 29 / 50 29. In slow sand filters, the turbidity of raw water can be removed only up to A. 60 mg/litre B. 70 mg/litre C. 90 mg/litre D. 100 mg/litre 30 / 50 30. Biochemical Oxygen Demand (B.O.D) of safe drinking water must be: A. nil B. 5 C. 10 D. 15 31 / 50 31. The rate of accumulation of sludge in septic tanks is recommended as A. 10 litres/person/year B. 30 litres/person/year C. 25 litres/person/year D. 20 litres/person/year 32 / 50 32. If 2% solution of a sewage sample is Incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is A. 200 ppm B. 225 ppm C. 225 ppm D. none of these 33 / 50 33. The difference in level between the top of a bank and supply level in a canal, is called A. berm B. free board C. height of bank D. none of these 34 / 50 34. F.S.L. of a canal at its parent channel is kept head with respect to A. at the same level B. 15 cm lower C. 15 cm higher D. none of these 35 / 50 35. The measure to remove water logging of land, is A. to reduce percolation from canals and water courses B. to increase outflow from the ground water reservoir C. both (a) and (b) D. neither (a) nor (b) 36 / 50 36. Attracting groynes are built: A. perpendicular to the bank B. inclined down stream C. inclined up stream D. none of these 37 / 50 37. The total length of a valley formed by two gradients 3% and 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec², for a design speed 100 kmph, is A. 16.0 m B. 42.3 m C. 84.6 m D. none of these 38 / 50 38. Traffic engineering only includes A. planning of regulatory measures B. design and application of control devices C. analysis of traffic characteristics D. all of the above 39 / 50 39. For the movement of vehicles at an Intersection of two roads, without any interference, the type of grade separator generally preferred to, is A. delta B. trumpet C. diamond interchange D. clover leaf 40 / 50 40. If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is A. 2.00% B. 2.25% C. 2.50% D. 2.75% 41 / 50 41. The order of booking dimensions is A. Length, breadth, height B. Breadth, length, height C. Height, breadth, length D. None of these. 42 / 50 42. Pick up the item of work not included in the plinth area estimate A. Wall thickness B. Verandah area C. W.C. area D. Courtyard area 43 / 50 43. Pick up the correct statement: A. The bent up bars at a support resist the negative bending moment B. The bent up bars at a support resist the sharing force C. The bending of bars near supports is generally at 45° D. All of the above 44 / 50 44. The brick work is measured in sq metre, in case of A. Honey comb brick work B. Brick flat soling C. Half brick walls or the partition D. All of the above. 45 / 50 45. Frederick W. Taylor introduced a system of working known as of a project, is known as A. line organisation B. line and staff organisation C. functional organisation D. effective organisation 46 / 50 46. Pick up the PERT event from the following A. Digging of foundation started B. Digging of foundation completed C. Laying of concrete started D. All of the above 47 / 50 47. If D is the duration, ES and EF are the earliest start and finish, LS and LF are latest start and latest finish time, then the following relation holds good A. EF = ES + D B. LS=LF-D C. LF=LS+D D. all of the above 48 / 50 48. Final technical authority of a project lies with A. Assistant Engineer B. Executive Engineer C. Superintending Engineer D. Chief Engineer 49 / 50 49. For the proposed runway stated in if the areodrome reference temperature is 17.2 celcius, then net designed length of the runway is: A. 2716 m B. 2816 m C. 2916 m D. 3016 m 50 / 50 50. Stream lines and path lines always coincide in case of A. steady flow B. laminar flow C. uniform flow D. turbulent flow Your score is The average score is 47% 0% Restart quiz Exit civil engineermcqcivilmock testsub engineersub engineer mock test
