# DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

## DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q2. As per IS 456:2000, the theoretical value of the effective length of a compression member that is effectively held in position and restrained against rotation at both ends is times the unsupported length of the compression
member.

1. 0.5
2. 1.2
3. 0.8
4. 1.5

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.3 Identify the INCORRECT statement with respect to the type of buckling of steel columns.

1. Compression members with any type of cross-sectional configuration can undergo flexural buckling.
2. Torsional buckling is caused by twisting about the longitudinal axis of the member.
3. The flexural buckling is also called as Euler buckling when the plastic behaviour of column occurs.
4. Flexural torsional buckling can occur only with unsymmetrical cross-sections.

Correct Option: 3

Q.4 Consider the below statements and identify the correct option with respect to factors affecting the permeability of the soil medium.
Statement A: Permeability is directly proportional to the viscosity of water and inversely proportional to its unit weight. Statement B: The degree of saturation of the soil medium alters the permeability through soil.

1. Statement B is correct, and statement A is incorrect.
2. Statement A is correct, and statement B is incorrect.
3. Both statements are incorrect.
4. Both statements are correct.

Correct Option: 1

Q.5 Calculate the porosity of a soil sample if its void ratio is 0.6.

1. 44.25%
2. 50.33%
3. 37.5%
4. 28.67%

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.6 As per IS 383:1970, the percentage of fine aggregates (FA) passing through 4.75 mm shall be in the range of Zone I FA.
for

1. 90-100
2. 85-100
3. 95-100
4. 75-100

Correct Option: 1

Q.7 In steel structures, the splices used in compression members are designed as

1. short columns
2. per the thickness of splice
3. slender columns
4. battens

Correct Option: 1

Q.8 A soil sample has a bulk unit weight of 20 KN/m3 and water content of 20%. Calculate its dry unit weight.

1- 16.67 kN/m3
2. 21.26 kN/m3
3. 13.33 KN/m3
4- 19.33 KN/m3

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.11 Which of the following is NOT a type of water distribution system for a town?

2. Grid-Iron system
3. Sprinkler system
4. Circular system

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.12 As per IS-456:2000, the minimum cement content for concrete used in reinforced cement concrete structures exposed moderate exposure condition is Consider the nominal size of aggregate as 20 mm.

1. 380 kg/m3
2 240 kg/m3
3. 340 kg/m3
4. 300 kg/m3

Correct Option: 4

Q13. Consider the below statements with respect to the physical properties of stones and identify the correct answer. Statement A: Splitting of stone minerals along the planes parallel to crystal faces is called cleavage.
Statement B: The colour of stone mineral in powdered form is called lustre.

1. Statement B is correct, and statement A is incorrect.
2. Both statements are correct.
3. Statement A is correct, and statement B is incorrect.
4. Both statements are incorrect.

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q16. Consider below statements with respect to methods used to balance a traverse and identify the correct answer.
Statement A: The transit rule may be employed where angular measurements are less precise that the linear measurements.
Statement B: The Bowditch’s method assumes that the errors in linear measurements are inversely proportional to the square root of the length of the surveyed line.

1. Both statements are correct.
2. Statement A is correct, and statement B is incorrect.
3. Both statements are incorrect.
4. Statement B is correct, and statement A is incorrect.

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.17 As per IS 10262:2019, the volume of the coarse aggregate per unit volume of the total aggregate for water to cementitious materials ratio of 0.50 ranges from when the nominal size of the coarse aggregate is 20 mm.

1. 0.6 to 0.66
2. 0.69 to 0.73
3. 0.66 to 0.72
4. 0.48 to 0.54

Correct Option: 1

Q.18 Consider the below statements with respect to the types of fluid flow and identify the INCORRECT statement.

1. Fluid character ‘pressure’ at a point in steady flow does not change with time.
2. Fluid particles move along well-defined paths or stream line in the laminar flow.
3. Reynolds number is used to classify the types of flow, whether laminar or turbulent.
4. The velocity at any given time changes with respect to space in a uniform flow.

Correct Option: 4

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.22 Convert the direction of a line PQ measured in the quadrantal bearing system N 25°30′ W into the whole circle bearing system.

1. 25°30′
2. 205°30′
3. 334°30′
4. 115°30′

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.23 In particle size distribution curve drawn for a soil sample, the effective diameter is represented by:

1. D20
2. D30
3. DIO
4. D50

Correct Option: 3

Q.24 As per IS standards, the height to diameter ratio of a cylindrical concrete specimen shall be compressive strength.
to find its

1. 3.0
2. 1
3. 2.0
4. 1.5

Correct Option: 3

Q.26 The idea behind the principle of surveying ‘working from whole to part is

1. to prevent the accumulation of errors and globalise them
2. to convert global errors into local errors
3. to prevent the accumulation of errors and localise them, thus preventing from expanding to greater magnitude
4. to fit the map within the page limit

Correct Option: 3

Q.27 Calculate the theoretical velocity of the jet at vena contracta of an orifice if the head of water over the orifice is 20 m. Consider the acceleration due to gravity to be 10 m/s2.

1. 12.5 m/s
2. 20 m/s
3. 25 m/s
4. 10 m/s

Correct Option: 2

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

Q.28 As per IS 456:2000, the maximum free water cement ratio of concrete with normal weight aggregates of 20 mm nominal maximum size to be used in RCC structures at mild exposure condition is

1. 0.50
2. 0.55
3. 0.4
4. 0.60

Correct Option: 2

Q.29 The ratio of dynamic viscosity to the density of fluid is termed as

1. kinematic viscosity
2. viscosity ratio
3. capillarity
4. surface tension

Correct Option: 1

Q.30 In plate girders, the intermediate vertical stiffeners are provided to

1. connect the two members
2. eliminate flange crippling
3. eliminate web buckling
4. connect extra plate with flanges

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 2 Part 1

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