JLEE 2020
CIVIL ENGINEERING (SECTION - IV)
Answer Key
1. The main principle of an organization is:
a) Delegation of authority
b) Unity of command
c) Effective control at all levels
d) All the above
2. For a flood control reservoir, the effective storage is equal to:
a) Useful storage + Surcharge storage + Valley storage
b) Useful storage + Surcharge storage - Valley storage
c) Useful storage + Valley storage
d) Useful storage – Valley storage
3. Soil conservation means:
a) Prevention of spread of desert
b) To check soil erosion by wind and rains
c) To check soil erosion by afforestation
d) All the above
4. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as:
a) 1.1 L
b) L
c) 1.5 L
d) 1.8 L
5. As per IS 800 for compression flange, the outstand of flange plates should not exceed:
a) 25 t
b) 20 t
c) 16 t
d) 12 t
6. Sharpness of the curve can be determined by:
a) Chord length
b) Tangent
c) Mid-Ordinate
d) Radius
7. Which method is most widely used in plate tabling:
a) Radiation
b) Intersection
c) Traversing
d) Resection
8. Two point problem involves in:
a) Locating details
b) Locating station points
c) Locating angles
d) Locating bearings
9. Reflection cracking is observed in:
a) Ridge pavements
b) Flexible pavements
c) Rigid overlay over flexible pavement
d) Bituminous overlay over cement concrete pavement
10. The main purpose of providing camber is:
a) To follow geometric specifications
b) To collect strom water
c) To follow IRC specifications
d) To maintain equilibrium
11. Any good staircase, the maximum and minimum pitch respectively:
a) 90o & 0o
b) 45o & 45o
c) 45o & 25o
d) 60o & 10o
12. Two separate walls in a cavity wall are called as:
a) Petals
b) Leaves
c) Skins
d) Both b & c
13. The process of fixing intermediate points are known as:
a) Ranging
b) Levelling
c) Chaining
d) Traversing
14. The RL of the point A which is at the floor is 103.50 mts and back sight reading on A is 1.950 mts. If the foresight reading on the point B which is on the ceiling is 2.350 mts, the RL of the point B will be:
a) 103.10 mts
b) 107.80 mts
c) 99.20 mts
d) 103.90 mts
15. The magnetic bearing of a line AB is S 45o E and the declination is 5o West. The true bearing of the line AB is:
a) S 45o E
b) S 40o E
c) S 50o E
d) S 50o W
16. The effective length of a column of length L fixed against rotation and translation at one end is:
a) 0.5 L
b) 0.7 L
c) 1.414 L
d) 2 L
17. Surface tension is due to:
a) Cohesion and Adhesion
b) Cohesion only
c) Adhesion only
d) none of the above
18. It is most appropriate to say that uniform flow in an open-channel occurs when there is a balance between:
a) Gravity and frictional forces
b) Gravity and inertial forces
c) Inertial and frictional forces
d) Inertial and viscous forces
19. The specific gravity of sewage is:
a) Greater than 1
b) Zero
c) Less than 1
d) Equal to 1
20. Heel divergence is:
a) always greater than flange way clearance
b) Always less than flange way clearance
c) Equal to flange way clearance
d) Sometimes greater than flange way clearance
21. A triangle is used for:
a) Crossing over between parallel tracks
b) Changing directions of engine through 180o
c) Diverting trains from main line to branch line
d) All the above
22. Which of the following stone is better fire resistant?
a) Granite
b) Quartzite
c) Compact sand stone
d) Slate
23. The most reliable estimate is:
a) Detailed estimate
b) Cube rate estimate
c) Preliminary estimate
d) Plinth area estimate
24. Centre line method is specially used for estimating:
a) Circular Building
b) Octagonal Building
c) Hexagonal building
d) All the above
25. Damp proof course DPC is measured in:
a) Meters
b) Square meters
c) Cubic meters
d) Centimeters
26. Capillary fringe water is also called:
a) Gravity water
b) Suspended water
c) Vadose water
d) All the above
27. A current meter is used to measure the:
a) Velocity of flow of water
b) Depth of flow of water
c) Rainfall
d) Discahrge
28. Standard size of brick as per Bureau of Indian Standards:
a) 190 x 90 x 90 mm
b) 190 x 90 x 80 mm
c) 200 x 200 x 100 mm
d) 200 x 100 x 100 mm
29. Cement concrete has tendency to be:
a) Flexible
b) Plastic
c) Elastic
d) Porous
30. The science which deals with the sound insulation in a building is known as:
a) Reverberation
b) Transmission
c) Acoustic
d) Air Borne
31. Which type of foundation is suitable for heavy structures which uneven loading:
a) RCC Slab
b) Piles
c) Arch
d) Beam
32. Which of the following spillways is least suitable for an earth dam?
a) Chute spillways
b) Side channel spillway
c) Shaft spillway
d) Ogee spillway
33. When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is:
a) Tack coat
b) Spray of emulsion
c) Seal coat
d) Prime coat
34. The reduction coefficient of a reinforced concrete column with an effective length of 4.8 m and size 250 x 300 mm2 is:
a) 0.8
b) 0.85
c) 0.9
d) 0.95
35. If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, then what is the bulking of the moist sand:
a) 0.1
b) 0.2
c) 0.15
d) 0.25
36. The yield line theory is a:
a) Lower bound method of design of over reinforced slabs
b) Lower bound method of design of under reinforced slabs
c) Upper bound method of analysis of under reinforced slabs
d) Upper bound method of analysis of over reinforced slabs
37. In two way slab, the limiting deflection of the slab is:
a) Dependent on both long and short spans
b) Independent of long or short span
c) Primarily a function of the short span
d) Primarily a function of the long span
38. The limiting percentage of longitudinal reinforcement in a column is:
a) 0.8% to 6 %
b) 4% to 6%
c) 0.8% to 4%
d) 0.4 to 6%
39. Darcy’s law is valid for only:
a) Turbulent flow
b) Laminar flow
c) Hydraulic flow
d) All the above
40. Which of the following shear test is developed based on drainage conditions:
a) Direct shear test
b) Vane share test
c) Quick test
d) None of the above
41. In particle size classification system, the soils are classified according to:
a) Grain size
b) Properties
c) Shape
d) Sieve size
42. The ratio of the total floor area inclusive of all the floors to the area of the plot on which building stands is known as:
a) Floor space
b) Build up area
c) Total area
d) Plot area
43. Which earthquake is local in nature and rarely occurring:
a) Collapse Earthquake
b) Volcanic earthquake
c) Total area
d) Intermediate Earthquake
44. The first stage of construction is:
a) Initiation of proposal
b) Preparation of estimate
c) Preparation of tender
d) Survey of the site
45. PERT technique of network analysis is used for:
a) Research and Development Projects
b) Small Projects
c) Large Projects
d) All the above
46. Horizontal axis is also called:
a) Line of Sight
b) Trunnion Axis
c) Inner Axis
d) Outer Axis
47. The term tenacity means:
a) Bulk Modulus
b) Working Stress
c) Shear Modulus
d) Ultimate Stress
48. According to Rankine’s Hypothesis, the criteria for failure of brittle material is:
a) Maximum Shear Stress
b) Maximum Principal Stress
c) Maximum Shear Strain Energy
d) Minimum Shear Stress
49. Relative density has the units of:
a) kg/m3
b) N/m3
c) m3/kg
d) Dimensionless quantity
50. Pascal’s law states that pressure at a point is equal in all directions:
a) In a fluid at rest
b) In turbulent flow
c) In a liquid at rest
d) In a laminar flow
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