Mock Test on Diploma Civil Engineering | MCQ | Objective

1. The Fore Bearing of a line AB in the Whole Circle Bearing System is 132038′. What will be its Fore Bearing in the Quadrantal Bearing System?
(a) S 47°22′ W
(b) S 42°38′ E
(c) S 47°22′ E
(d) S 47°22′ W

2. The method of levelling in which the difference in elevation between two points is accurately determined by two sets of observations when it is not possible to set up the level midway between the two points is
(a) Check Levelling
(b) Reciprocal Levelling
(c) Differential Levelling
(d) Profile Levelling

3. In a series of readings taken on intermediate points with a levelling staff of a Dumpy level, it is found that the staff readings gradually decrease from 2.110 to 0.880. This indicate
(a) Increase in RL of Intermediate points
(b) No Change in RL
(c) Decrease in RL of Intermediate points
(d) Increase in RL of BM

4. A Contour may be defined as a line on a map joining different points with the same
(a) Pressure
(b) Rainfall
(c) Elevation
(d) temperature

5. Nature of Impurity in hardness of water due to the presence of Carbonates and bicarbonates of Calcium and Magnesium is
(a) Suspended
(b) Dissolved
(c) Organic
(d) vegetable

6. An impurity which is an optical property of water sample measured by the degree of absorption of light rays is
(a) Acidity
(b) Alkalinity
(c) Turbidity
(d) Hardness

7. The primary source of water supply is Precipitation. The most important form of Precipitation is
(a) Rainfall
(b) Snow
(c) Dew
(d) Hail

8. The majority of Indian cities derive their water supply from
(a) Lakes
(b) Rivers
(c) Wells
(d) springs

9. Removal of very fine and light colloidal impurities like gels and emulsions from water is achieved by means of
(a) Filtration
(b) Chlorination
(c) Coagulation
(d) Aeration

10. The most reliable method of distribution of water from a reservoir to domestic households is by
(a) Pumping
(b) Gravity
(c) vehicle transportation
(d) siphoning

11. The most suitable system of sewerage for Indian conditions is
(a) Separate
(b) Combined
(c) partially combined
(d) lateral

12. In which of the general processes does ‘Screening process’ included in Sewage Treatment Methods?
(a) Preliminary
(b) Secondary
(c) Settlement
(d) biological

13. For large flows in Surface drains, the best section, hydraulically, is provided by
(a) rectangular section
(b) circular section
(c) V-shaped section
(d) trapezoidal section

14. Gaseous impurities contribute a significant portion of Air pollution. Which of the following is not an air pollutant?
(a) Carbon monoxide
(b) Sulphur dioxide
(c) methane
(d) benzene

15. Depending upon the way in which the members are connected, Riveted joints mainly consist of two types : viz Lap Joint and
(a) Single Joint
(b) Double Joint
(c) Multiple Joint
(d) Butt Joint

16. The centre to centre distance between two consecutive rivets measured parallel to the direction of force is known as
(a) Gauge
(b) Pitch
(c) Line
(d) lap

17. A rivet may fail due to Bearing and
(a) Buckling
(b) Tearing
(c) Shearing
(d) Packing

18. In bolted joints, the combined thickness of two plates connected by bolts is known as
(a) grip length
(b) slip length
(c) bolt length
(d) torque length

19. The Efficiency of a riveted joint is defined as the ratio, expressed in percentage, of the least strength of a riveted joint to
(a) bearing strength of rivet
(b) strength of solid plate
(c) rivet value
(d) tearing strength of plate

20. In design of Riveted Joints, the following have to be determined; (i) Number of rivets (ii) Pitch of rivets and (iii)
(a) gauge of rivets
(b) diameter of rivets
(c) strength of rivets
(d) thickness of rivets

21. In comparison to riveted joints, welded joints are
(a) Heavier
(b) less rigid
(c) lighter
(d) costlier

22. What type of Weld is also known as Groove Weld?
(a) Fillet Weld
(b) Spot Weld
(c) Pipe Weld
(d) Butt Weld

23. Which of the following is included in the basic assumptions for design of riveted joints?
(a) load is equally shared by all rivets
(b) the end rivets get maximum loads.
(c) the middle rivets get maximum loads.
(d) the load decreases from support end to the free end.

24. The perpendicular distance between the corner and hypotenuse of the welded cross-section in a Fillet Weld is known as
(a) legs of the weld
(b) size of the weld
(c) effective length
(d) throat thickness

25. In a compression steel member, the maximum slenderness ratio may be defined as the ratio of effective length to the appropriate
(a) Modulus of Elasticity
(b) Compressive stress
(c) Radius of gyration
(d) Moment of Inertia

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26. What section of steel beams are normally utilised for fabrication of square and rectangular steel water tanks?
(a) ISLB
(b) ISMB
(c) ISWB
(d) ISHB

27. Apart from riveted rectangular and pressed steel tanks, what shape of steel water tanks are commonly used?
(a) Trapezoidal
(b) Spherical
(c) Cylindrical
(d) V-shaped

28. Pressed steel water tanks are fabricated together by joining together pressed steel plates by means of
(a) Rivets
(b) Pins
(c) Welds
(d) bolts

29. The height of a Pressed steel tank will be multiples of
(a) 1.00 m
(b) 1.25 m
(c) 1.50 m
(d) 1.75 m

30. Crushing strength of first class brick should be
(a) 10 to 15 N/mm2
(b) 7 to 10.5 N/mm2
(c) 9 to 12.5 N/mm2
(d) 5 to 10 N/mm2

31. Water for first class brick should be not more than
(a) 15%
(b) 18%
(c) 20%
(d) 25%

32. Standard sizes of brick are
(a) 190mm x 90mm x 90mm and 190mm x 90mm x 40mm
(b) 200mm x 90mm x 100mm and 200mm x 90mm x 50mm
(c) 180mm x 100mm x 100mm and 180mm x 100mm x 50mm
(d) None of these

33. The Main Ingredient of good quality brick earth is
(a) Magnesia
(b) Lime
(c) Silica
(d) Alumina

34. For practical purposes, Portland Cement is considered as composed of four principal compounds such as:
(a) Lime, Silica, Alumina and Magnesia
(b) Lime, Silica, Alumina and Iron Oxide
(c) Lime, Silica, Alumina and Soda
(d) Lime, Silica, Alumina and Sulphur Oxide

35. Water Cement ration in a concrete mix must be kept minimum for the following reasons:
(a) To help cement concrete to set early and keep moisture inside the concrete
(b) For easy compaction and workability
(c) To help chemical reaction and To impart workability
(d) Both (a) & (b)

36. The Optimum moisture content in Timber for Doors, windows etc. should be
(a) 10%
(b) 12%
(c) 14%
(d) 15%

37. Seasoning of timber is used
(a) To improve the strength
(b) To reduce the grain size
(c) To increase the moisture content
(d) To brought down moisture content to a permissible limit

38. Sand stone is
(a) Sedimentary
(b) Igneous rock
(c) Volcanic rock
(d) Metamorphic rock

39. The hardest rock is
(a) Quartzite
(b) Marble
(c) Diamond
(d) Talc

40. For good building stone, its specific gravity should be greater than
(a) 1.8
(b) 2.0
(c) 2.5
(d) 2.7

41. Glazing of clay product s is done
(a) to improve their appearance
(b) to protect them from atmospheric effect
(c) to protect them from corrosive action
(d) all of these

42. French polish is
(a) Oil paint
(b) Distemper
(c) Spirit varnish
(d) None of these

43. PVC stand for
(a) Polythene Vanadium Carbide
(b) Plastic Very compact
(c) Polythene Vinyl Chloride
(d) Polythene Vinyl Carbon

44. Asbestos
(a) is a natural fibrous mineral substance
(b) is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSO3)
(c) contain iron oxide and alumina
(d) all of these

45. The soil which contains finest grain particles, is
(a) Coarse sand
(b) Fine sand
(c) Silt
(d) Clay

46. The ratio of the volume of voids to the total volume of the given soil mass, is known as
(a) Porosity
(b) Specific gravity
(c) Void ration
(d) Water content

47. The ratio of the weight of water to the weight of solids in a given mass of soil, is known as
(a) Porosity
(b) Specific gravity
(c) Void ration
(d) Water content

48. The ratio of the volume of water present in a given soil mass to the total volume of its void, is known as
(a) Porosity
(b) Void ratio
(c) Percentage void
(d) Degree of od saturation

49. A fundamental equation of void ratio (e), specific gravity (G) water content (w) and degree of saturation (Sr) is
(a) W = eG/Sr
(b) E= wG/Sr
(c) G=ew/Sr
(d) Sr =ew/G

50. The liquid limit and plastic limit exist in
(a) Silty soil
(b) Clay soil
(c) Gravel soil
(d) Sandy soil