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1. As per Indian Standards, the size of a modular brick with mortar is
(a) 19cm × 9cm × 9cm
(b) 20cm × 10cm × 10cm
(c) 19cm × 19cm × 9cm
(d) 20cm × 20cm × 10cm

2. The most important purpose of providing frog in a brick is to
(a) reduce weight of the brick
(b) improve insulation by providing hollows
(c) emboss manufacturer’s name
(d) to form a key for holding the mortar

3. Which of the following is not one of the operations involved in manufacturing of clay brick?
(a) Soiling
(b) Weathering
(c) Moulding
(d) Blending

4. Water absorption for Ist class bricks should not be more than
(a) 12%
(b) 15%
(c) 20%
(d) 25%

5. The specific gravity of most stones lie between
(a) 1.8 to 2.2
(b) 2.5 to 3.0
(c) 3.0 to 3.5
(d) 3.5 to 4.5

6. Which of the following stones has maximum % water absorption by volume?
(a) Shale
(b) Granite
(c) Slate
(d) Quartzite

7. The age of trees can be predicted by
(a) length of medulary rays
(b) counting number of rings
(c) measuring the diameter of pith
(d) the thickness of bark

8. Seasoning of timber is required to
(a) soften the timber
(b) harden the timber
(c) straighten the timber
(d) remove sap from the timber

9. What is the time a timber may likely require for natural seasoning?
(a) 20 months
(b) 4 – 6 months
(c) 1 year
(d) 2 years

10. Plywood is specified by
(a) Weight
(b) Volume
(c) thickness
(d) number of layers

11. The most widely available type of Cement in Mizoram is
(a) White Cement
(b) Ordinary Portland Cement
(c) Portland Pozzolana Cement
(d) Rapid Hardening Cement

12. Which of the following aggregates gives maximum strength in concrete?
(a) Rounded aggregate
(b) Elongated aggregate
(c) Flaky aggregate
(d) Cubical aggregate

13. The maximum bulking of sand is likely to occur at a moisture content of
(a) 5%
(b) 8%
(c) 11%
(d) 14%

14. Plastics are examples of
(a) ceramic materials
(b) polymeric materials
(c) anhydrides
(d) elastomers

15. Distemper is used to coat
(a) external concrete surfaces
(b) compound walls
(c) interior surfaces not exposed to weather
(d) wood work

16. An undisturbed sample of soil has a volume of 50 cc and weighs 90 gm. On oven drying for 24 hours, the weight is reduced to 80 gm. Determine the water content.
(a) 11.11%
(b) 12.50%
(c) 20%
(d) 62.50%

17. An undisturbed sample of soil has a volume of 50 cc and weighs 95 gm. On oven drying for 24 hours, the weight is reduced to 80 gm. Determine the bulk density of the soil sample.
(a) 1.60 gm/cc
(b) 1.80 gm/cc
(c) 1.90 gm/cc
(d) 1.95 gm/cc

18. An undisturbed sample of soil has a volume of 50 cc and weighs 90 gm. On oven drying for 24 hours, the weight is reduced to 80 gm. Determine the dry density of the soil sample.
(a) 1.60 gm/cc
(b) 1.80 gm/cc
(c) 1.90 gm/cc
(d) 1.95 gm/cc

19. An undisturbed sample of soil has a volume of 50 cc and weighs 100 gm. On oven drying for 24 hours, the weight is reduced to 90 gm. If the Specific gravity of the soil is 2.70, determine the voids ratio of the sample.
(a) 0.45
(b) 0.50
(c) 0.60
(d) 0.80

20. Plastic limit is the water content corresponding to an arbitrary limit between the plastic and X states of consistency of a soil. Find the correct replacement for X.
(a) Solid
(b) semi-solid
(c) liquid
(d) semi-liquid

21. When the plastic limit is equal to or greater than the liquid limit, the Y is reported as zero. Find the correct replacement for Y.
(a) liquid limit
(b) plastic limit
(c) plasticity index
(d) liquidity index

22. The liquidity index is defined as the ratio, expressed as a percentage, of the natural water content of a soil minus its Z, to its plasticity index. Find the correct replacement for Z.
(a) liquid limit
(b) plastic limit
(c) plasticity index
(d) liquidity index

23. The cgs unit for coefficient of permeability is
(a) Darky
(b) gm/sec
(c) stoke
(d) cm/sec

24. Which of the following methods is related to direct test for degree of compaction i.e field density of soils?
(a) Plate Load Test
(b) Modified Proctor Test
(c) California Bearing Ratio (CBR) Test
(d) LA Abrasion Test

25. The data available as a result of conducting Standard Proctor Test on a soil sample are as follows :
Moisture Content: 0.08 0.09 0.10 0.12 0.14 0.16
Dry density (gm/cc):1.20 1.40 1.60 1.80 1.70 1.50
Give the Optimum Moisture Content in percentage.
(a) 9%
(b) 10%
(c) 12%
(d) 14%

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26. Rankine’s Theory of Active Earth Pressure assumes that the resultant earth pressure acts at a height of X from the base. If h is the height of the retaining wall, then X is equal to
(a) h
(b) h/2
(c) h/3
(d) h/4

27. Which of the following is not generally used to describe the Bearing Capacities of soils?
(a) Natural Bearing Capacity
(b) Ultimate Bearing Capacity
(c) Safe Bearing Capacity
(d) Allowable Bearing Capacity

28. Which of the following is not generally used to describe the type of foundation of buildings?
(a) Raft foundation
(b) Spread foundation
(c) Grillage foundation
(d) Clamp foundation

29. Minimum depth of foundation is given by
(a) Terzaghi’s formula
(b) Rankine’s formula
(c) Coulomb’s formula
(d) Darcy’s formula

30. Which of the following is not an example of deep foundations?
(a) Pile foundation
(b) Pier foundation
(c) Well foundation
(d) Pad foundation

31. Identify the source of energy for the hydrological cycle.
(a) Ocean
(b) Sun
(c) Water
(d) Precipitation

32. Which of the following is not a form of precipitation?
(a) Hail
(b) Snow
(c) Cloud
(d) Dew

33. The portion of the precipitation which by a variety of paths above and below the surface of the earth reaches the stream channel is called
(a) runoff
(b) rainfall
(c) infiltration
(d) groundwater

34. Which of the following is not used to designate a rain-gauge?
(a) Pluviometer
(b) Ombrometer
(c) Hyetometer
(d) Hydrometer

35. The standard rain-gauge adopted in India is of
(a) weighing bucket type
(b) natural siphon type
(c) tipping bucket type
(d) telemetry type

36. Which of the following processes is treated as a ‘loss’ in engineering hydrology?
(a) Infiltration
(b) Precipitation
(c) Percolation
(d) Transpiration

37. The (i) interception process and (ii) the depression storage are together called
(a) Primary loss
(b) Initial loss
(c) Evaporation loss
(d) Permanent loss

38. Based on the time delay between the precipitation and the runoff, the runoff is classified into two categories; viz Base flow and
(a) Groundwater runoff
(b) Surface runoff
(c) Direct runoff
(d) Delayed runoff

39. A hydrograph is essentially a graph establishing the relation between the time of flow due to rainfall and
(a) catchment area
(b) discharge
(c) velocity of flow
(d) volume

40. A unit hydrograph is defined as the hydrograph of direct runoff resulting from one unit X of rainfall excess occurring uniformly over the basin at a uniform rate for a specified duration. Find the correct replacement for X.
(a) Depth
(b) Area
(c) Discharge
(d) Volume

41. A geological formation which is essentially impermeable for flow of water even though it may contain water in its pores is called
(a) Aquifer
(b) Aquifuge
(c) aquitard
(d) aquiclude

42. An aquifer confined at the bottom but not at the top is called
(a) semiconfined aquifer
(b) unconfined aquifer
(c) confined aquifer
(d) perched aquifer

43. The level of water within its granular pores of soil or fissures of rock below which the pores of the host are saturated is known as
(a) ground water
(b) aquifer
(c) aquiclude
(d) water table

44. The most important parameters for optimum design of Settlement tanks in Rainwater harvesting Schemes are (i) Size of Catchment (ii) Rate of Recharge and (iii)
(a) Discharge
(b) Size of gutter
(c) Intensity of Rainfall
(d) Width of tank

45. X is of the systems that removes contamination and debris in a roof top rainwater harvesting scheme. Identify X.
(a) Gutter
(b) Leaf screen
(c) Downspout
(d) Cistern

46. Which of the following is an important parameter considered in Limit State Design of Serviceability?
(a) Buckling
(b) Collapse
(c) Shear
(d) Deflection

47. In Limit State Method of Design, the partial factor of safety for concrete is kept
(a) more than that of steel
(b) less than that of steel
(c) equal to that of steel
(d) equal to 1

48. For complete hydration of cement, the water cement ratio needed is
(a) less than 0.25
(b) more than 0.25 but less than 0.35
(c) more than 0.35 but less than 0.45
(d) more than 0.45 but less than 0.60

49. Which of the following is true for a mid-span section of a simply supported concrete beam?
(a) the top fibres are in tension
(b) the bottom fibres are in tension
(c) all fibres are in tension
(d) all fibres are in compression

50. Which of the following is true for a near support section of a concrete cantilever beam?
(a) the top fibres are in tension
(b) the bottom fibres are in tension
(c) all fibres are in tension
(d) all fibres are in compression