# DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

## DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q1 Which type of formwork requires a maximum stripping time of 14 days?

1 Soffit formwork to slabs
2. Soffit formwork to beams
3. Props to beams spanning over 6 m
4. Props to slabs spanning over 4.5 m

Correct Option: 4

Q2. The bars of nominal diameter 16 mm used in compression for an RCC work consists of M30 grade concrete for which design bond stress is 1.5 N/mm2. The stress in bars at design load is 50 N/mm2. What is the development length bars as per IS: 456-2000?

1. 108.5 mm
2. 112.55 mm
3. 100.5 mm
4. 105.82 mm.

Correct Option: 4

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q4 A simple Pitot tube can be used to measure which of the following quantities?

1. 2, 3 and 4
2. 1, 3 and 5
3. 1, 2 and 4
4. 2, 3 and 5

Correct Option: 2

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q.5 The maximum monthly demand of water per head is equal to:

1. 2.7 × (Annual average hourly demand of water per head)
2. 1.28 × (Anmal average monthly demand of water)
3. 1.8 × (Annual average daily demand of water)
4. Annual average monthly demand of water

Correct Option: 2

Q.6 A simply supported beam carrying a uniformly distributed load of 10 KN/m is shown in the given figure. Determine the distance at which shear force is equal to zero from point C.
10 kN/m

1 1.5 m
2. 10m
3.12m
4.1.7 m

Correct Option: 3

Q7. What is the minimum grade of concrete that is used in the case of reinforced cement concrete when exposed to a sea coast directly?

1. M20
2. M40
3. M25
4. No30

Correct Option: 4

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q9. Which of the following objectives of seasoning of wood is INCORRECT?
1. Reduce the shrinkage and warping after placement in the structure
2. Increase strength, durability and workability
3. Increase its weight
4. Make it difficult to paint

1 1 and 2
2. 1 and 3
3. 2 and 3
4. 3 and 4

Correct Option: 4

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q.10 Which of the following options related to bituminous materials manufacturing is correct?
1. Bitumen is a crystalline solid material decived from petroleum, by natural or refinery process.
2. Tar is produced by the destructive distillation of organic materials such as coal, oil, lignite and wool.

1. Statement 1 is correct but Statement 2 is incorrect
2. Both statements are incorrect
3. Statement 1 is incorrect but Statement 2 is correct
4. Both statements are correct

Correct Option: 3

Q.11 In the Indian Soil classification system, coarse-grained soils comprise:

1. silt, cobble, sand and gravel
2. Boulder, cobble, gravel and silt
3. boulder, cobble, gravel and sand
4. cobble, silt, clay and sand

Correct Option: 3

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q.13 Identify whether the following statements related to concrete mix are correct or incorrect.
Statement 1: Nominal mix concrete may be used for concrete of M 25 or higher grade.
Statement 2: The mix shall be designed to produce the grade of concrete having the required workability and a characteristic strength.

1. Statement 1 is incorrect but Statement 2 is correct
2. Statement 1 is correct but Statement 2 is incorrect
3. Both statements are correct
4. Both statements are incorrect

Correct Option: 1

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q16. Which of the following statements related to Tacheometric survey is correct?
1. Reduction diagrams are used for measuring corrections for horizontal and vertical distances directly.
2. Tacheometric tables are prepared for 1 m staff intercept when staff is held vertically and constants are 100 and 0.

1. Both statements are correct
2. Statement 1 is correct
3. Statement 2 is correct
4. Neither of the statements is correct

Correct Option: 1

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q17. Which of the following statements related to manufacturing of the given materials is correct?
1) Asphalt is manufactured by fractional distillation of crude petroleum.
2) Tar is manufactured by fractional distillation of organic materials.

1. Statement 1 is correct but Statement 2 is incorrect
2. Both statements are correct
3. Statement 1 is incorrect but Statement 2 is correct
4. Both statements are incorrect

Correct Option: 2

Q.18 All the following are the assumptions made in Terzaghi’s theory of consolidation EXCEPT:

1. the coefficient of permeability of soil varies at all points during the entire period of consolidation
2. the soil is homogeneous and isotropic
3. the soil is fully saturated
4. Darcy’s law is valid throughout the consolidation process

Correct Option: 1

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q.19 The angles of a triangle lie between
to form a well-conditioned triangle in a chain survey.

1. 15° and 135°
2. 60° and 180°
3. 20° and 150°
4. 30° and 120°

Correct Option: 4

Q.20 Which of the following is independent of the properties of water with respect to permeability?

1. Coefficient of permeability
2. Coefficient of hydraulic conductivity
3. Coefficient of absolute permeability
4. Coefficient of percolation

Correct Option: 3

Q.21 According to IS: 4111-1986, the spacing of manholes above of diameter above 900 to 1500 mm.
may be allowed on straight runs for sewers

1 150 to 200 m
2.90 to 150 m
3. 200 to 300 m
4.30 to 100 m

Correct Option: 2

Q.22 In which type of shear failure does the failure surface NOT extend up to the ground surface when a strip footing rests on loose sand or soft clay?

1. Meyerhof’s failure
2. Local shear failure
3. Punching shear failure
4. General shear failure

Correct Option: 3

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q.23 When a rectangular lamina is immersed in water at a depth of 75 mm vertically, what is the depth of centre of pressure of the lamina?

1. 18.75 mm
2. 50.0 mm
3. 112.5 mm
4. 37.5 mm

Correct Option: 2

Q.26 Which of the following is NOT an objective of varnishing a surface?

1. To enhance the aesthetic appearance of a painted metal
2. To protect the painted surface from atmospheric actions
3. To brighten the appearance of the grain in wood
4. To render brilliancy to the painted surface

Correct Option: 1

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

Q27. As per IS: 456-2000, what is the recommended value of effective length of RCC compression member of unsupported length / that is effectively held in position and restrained against rotation at one end and at the other restrained against rotation but not held in position?

1 201
2. 1.21
3. 0.65/
4.1.51

Correct Option: 2

Q.28 What should be the minimum sample size for the flakiness index test for aggregate?

1. 300 pieces
2. 200 pieces
3. 50 pieces
4. 100 pieces

Correct Option: 2

Q29 Cement that has,______is the most suitable for achieving higher ultimate strength in a given application.

1. very little gypsum
2. a high CS content
3. a high C,S content
4. a high CA content

Correct Option: 3

DDA JE Civil Paper 29 March 2023 Shift 2 Part 1

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