Important Questions on Diploma Civil Engineering | MCQ | Objective

1. Poison’s ratio for steel within elastic limit, ranges from
(a) 0.15 to 0.20
(b) 0.25 to 0.27
(c) 0.25 to 0.33
(d) 0.30 to 0.33

2. The rivets which are heated and then driven in the field, are known as
(a) Power driven shop rivets
(b) Power driven field rivets
(c) Hand driven rivets
(d) Cold driven rivets

3. Diameter of rivet hole is made larger than the diameter of the rivets by
(a) 1 mm for rivet diameter up to 12mm
(b) 1.5 mm for rivet diameter exceeding 25mm.
(c) 2.0 mm for rivet diameter over 25mm.
(d) none of these

4. An imaginary line along which rivets are placed, is known as
(a) rivet line
(b) back line
(c) gauge line
(d) all the above

5. When two plates are placed end to end and are joined by two cover plates, the joint is known as
(a) lap joint
(b) butt joint
(c) chain rivet lap joint
(d) double cover butt joint

6. Choose the incorrect names of welding joint
(a) Square Butt
(b) Single V-Butt
(c) Double V-Butt
(d) Double J-Butt

7. The distance between c.g of compression and c.g. of tension flanges of a plate girder is known as
(a) Overall depth
(b) Effective depth
(c) Clear depth
(d) Actual depth

8. On a steel structures the dead load is the weight of
(a) Steel works
(b) Material fastened to steel work
(c) Material supported permanently
(d) All the above

9. The slenderness ration of a column is zero when its length
(a) is zero
(b) is equal to its radius of gyration
(c) is supported on all side throughout its length
(d) is between the points of zero moments

10. Work schedule is
(a) Detail list of works to be taken up for a specified period of time
(b) Detail list of works that has been completed
(c) Important list of work
(d) None of these

11. The Unit of tack coat in bituminous pavement work is taken as sqm. Becausee
(a) It is a surface work
(b) It is a bituminous work
(c) The thickness is very small to measure
(d) All of these

12. The unit of measurement is per quintal for the following item
(a) Collapsible gates with rails
(b) Rolling shutter
(c) Expanded metal wire netting
(d) Reinforcement of R.C.C. works

13. Cost indices is generally work out when
(a) New Schedule of rate (SOR) is issued
(b) When the contractor rate is low
(c) When the market rate is going up or down but new SOR is not yet ready.
(d) None of these

14. Expenditure sanction for the work is obtained.
(a) Before any estimate is approved
(b) Before obtaining Administrative approval
(c) After obtaining Administrative approval
(d) None of these

15. Deviation in quantity means
(a) Item which was not included in the original agreement
(b) Item whose quantity is exceeded or less in actual execution than the agreement.
(c) Item which is not included in the SOR
(d) None of these

16. Substituted item is
(a) an item executed but not included in the agreement
(b) an item executed in excess of original agreement quantities
(c) an item executed in place of other similar item having different specification and rates
(d) an item which was not required to be executed.

17. Contingencies provided in an estimate is
(a) provision for quality control works
(b) provision for staff salary
(c) provision to meet unforeseen expenditure in execution the work
(d) none of these

18. Extension of time can be granted if
(a) the contractor fails to complete the work in time due to his slow progress
(b) the contractor neglect his work and do not completed work in time
(c) there is a compensation events as per contract agreement
(d) there is long and heavy monsoon rain.

19. In Percentage rate contract the
(a) payments to the contractor are to be made item wise rate
(b) payments to the contractor are made in percentage of the work done value
(c) payment to the contractor is made after completion of the work
(d) none of these

20. A Rock forming mineral which is also known as Black mica is
(a) Olivine
(b) Muscovite
(c) Dolomite
(d) Biotite

21. Which of the following is among the harmful ingredients in Brick earth?
(a) Iron pyrites
(b) Alumina
(c) Oxide of iron
(d) Silica

22. The standard size of Brick including mortar thickness is
(a) 19cm×9cm×9cm
(b) 20cm×10cm×10cm
(c) 19cm×10cm×10cm
(d) 20cm×9cm×9cm

23. The wall thickness of hollow brick is generally
(a) 15mm to 20mm
(b) 18mm to 22mm
(c) 20mm to 25mm
(d) 22mm to 26mm

24. Smith’s test is performed in a stone sample to find out
(a) Presence of soluble matter
(b) Crushing strength
(c) Hardness
(d) Rate of wearing

25. The type of foundation suitable where bearing capacity of soil is low or other loaded areas are so close in both directions that individual footing would nearly touch each other is
(a) Spread footing or Pad foundation
(b) Strap footing
(c) Raft or Mat foundation
(d) Combined footing

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26. If the axial load including self weight of footing is 750 kN and the bearing capacity of soil is 300 kN/sqm. The area of footing required would be
(a) 2.00 sqm
(b) 2.50 sqm
(c) 3.00 sqm
(d) 3.50 sqm

27. The minimum gross pressure intensity at the base of the foundation at which the soil fails in shear is called
(a) Safe bearing capacity
(b) Net safe bearing capacity
(c) Net ultimate bearing capacity
(d) Ultimate bearing capacity

28. The general value of safe bearing capacity of medium clay readily indented with a thumb nail is
(a) 100 kN/sqm
(b) 150 kN/sqm
(c) 250 kN/sqm
(d) 450 kN/sqm

29. The minimum thickness of the footing at the edge shall not be less than
(a) 150mm
(b) 175mm
(c) 180mm
(d) 200mm

30. In a plain sedimentation for treatment of water, particles entirely removed will be
(a) which settle at velocities equal to surface overflow rate
(b) which settle at velocities equal to or less than surface overflow rate
(c) which settle at velocities equal to or greater than surface overflow rate
(d) None of these

31. Which kind of the following sedimentation tanks minimizes the effect of inlet and outlet disturbances?
(a) Rectangular
(b) Circular
(c) Square
(d) Elliptical

32. Which of the following processes may be omitted in treating water of low turbidity and industrial processed water in a rapid filtration?
(a) Coagulation
(b) Flocculation
(c) Disinfection
(d) Clarification

33. The size of filter media in water treatment plant is specified by
(a) Standard size
(b) Nominal size
(c) Effective size
(d) None of these

34. Aeration in connection with water treatment process is used in
(a) Pre-chlorination
(b) Break point chlorination
(c) De-chlorination
(d) Plain chlorination

35. Which of the following sources of water will have the least turbidity?
(a) Ground water
(b) Lake water
(c) Stream in dry water
(d) Stream in flood

36. Turbidity in water supply may be removed by
(a) Chlorination
(b) Sedimentation with or without chemical coagulant and filtration
(c) Cation-exchange method
(d) Radio-isotope removal

37. According to the International standards for drinking water, 3rd edition,WHO, Geneva, 1971, the highest desirable pH level is
(a) 6.0 to 6.5
(b) 6.5 to 7.0
(c) 7.0 to 8.0
(d) 7.5 to 8.5

38. Discoloration of clothes and plumbing fixures and incrustations in water mains is caused by
(a) Chlorides
(b) Algae
(c) Dissolved oxygen
(d) Iron

39. The electrode used in the standard method of measuring pH value is
(a) Glass
(b) Hydrogen
(c) Nickel
(d) Mica

40. Which of the following population forecasting methods assumes a constant rate of growth?
(a) Uniform percentage method
(b) Curvilinear method
(c) Logistic method
(d) Arithmetic method

41. Which of the following water use would demand a high rate for short period?
(a) Very large fire
(b) Schools
(c) Commercial and Industrial
(d) Flushing streets

42. ‘Un-accounted for’ water in water distribution system is due to
(a) Public buildings
(b) Jails
(c) Meter and pump slippage
(d) All of these

43. If the average increase in population of a city during the years 1990, 2000 and 2010 is 2,00,000 and the population of the city in 2010 is 5,00,000. What would be the projected population of the city in the year 2020 using Arithmetic incremental method?
(a) 5,20,000
(b) 7,00,000
(c) 7,20,000
(d) 8,50,000

44. Which of the following is/are the factor(s) affecting water consumption?
(a) Size of the city
(b) Characteristics of population
(c) Efficiency of water works management
(d) All of these

45. The chemical reaction of cement with water, by virtue of which cement becomes a bonding agent is known as
(a) Incineration
(b) Oxidation
(c) Hydration
(d) Hardening

46. Plasticizer in cement concrete mix is added to
(a) increase workability without an increase in water content
(b) increase workability with corresponding increase in water content
(c) increase workability with corresponding decrease in water content
(d) None of these

47. Construction of temporary structure to support temporarily an unsafe structure in a civil engineering works is called
(a) Formwork
(b) Shoring
(c) Scaffolding
(d) Underpinning

48. To avoid Alkali-Aggregate reaction in cement concrete work, the aggregates used should not contain
(a) Sodium oxide
(b) Potassium oxide
(c) Ferrous minerals
(d) Siliceous minerals

49. The minimum cement content for M20 grade concrete is
(a) 250 kg/cum
(b) 300 kg/cum
(c) 400 kg/cum
(d) 450 kg/cum

50. The minimum cover for 2.0 hour fire rating in continuous RCC beams is
(a) 30 mm
(b) 40 mm
(c) 50 mm
(d) 55 mm