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

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

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

Q.31 The modular ratio ‘m’ used in the working stress analysis of reinforced concrete sections is the ratio of

1. elastic modulus of concrete to that of steel
2. elastic modulus of steel to that of concrete
3. section modulus of concrete to that of steel
4. section modulus of steel to that of concrete

Correct Option: 2

Q.32 The liquid limit and plasticity index of a clay sample are 38% and 10%, respectively. Calculate its plastic limit.

1 18%
2. 28%
3.386
4. 336

Correct Option: 2

Q.33 Which of the following factors will increase the rate of demand in the consumption of water?

1. Increased water rates
2. Stable community
3. High pressure in the system
4. Intermittent supply

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

Q.34 The particle size distribution curve for soil uses some grading characteristics. Which of the following is NOT among them?

1 Coefficient of curvature
2. Effective size
3. Coefficient of compressibility
4. Uniformity coefficient

Correct Option: 3

Q.35 Identify the INCORRECT statement with respect to the advantages of the aeration technique used in water treatment.

1. It decreases the carbon dioxide content of water.
2. It removes the taste and odour caused by gases due to organic decomposition.
3. It converts iron and manganese from their insoluble state to a soluble state.
It increases the pH value of water.

Correct Option: 3

Q.36 Which of the following materials possesses a specific gravity value in the range of 0.97 to 1.02?

1. Ordinary Portland cement
2. Pure bitumen
3. Asbestos
4. Line

Correct Option: 2

Q.37 A beam with a triangular cross-section is subjected to a shear force of 15 KN. Calculate the shear stress at the neutral axis of the said section if its base width is 200 mm and height is 300 mm.

1 5 N/mm2
2. 0.667 N/mm
3. 0.750 N/mm2
4.0.833 N/mm2

Correct Option: 2

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

Q.38 According to the Ministry of Environment, Forest and Climate Change, Government of India, which of the following
classes of water can be used as a drinking water source after conventional treatment and disinfection?

1. Class B
2. Class C
3. Class A
4. Class D

Correct Option: 2

Q.39 Which of the following is a part of the plane table survey?

1. Foot screws
2. Telescope
3. Plumbing fork

Correct Option: 3

Q.42 What is the maximum acceptable and permissible (in absence of alternate source) limit of chloride (in mg/l) for drinking water, respectively, as per the latest revised, updated and amended code IS:10500:2012?

1.250 mg/1 and 1000 mg/1
2. 150 mg/l and 300 mg/l
3. 300 mg/l and 1500 mg/1
4. 500 mg/l and 1500 mg/1

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

Q43 In a slump cone test, to assess the workability of concrete, the slump mould is filled in

1. five
2. three
3. two
4. Sonr

Correct Option: 4

Q.44 Identify the INCORRECT statement with respect to a type of stone ‘Kankar”.

1 Kankar is irregular in shape.
2. Nodular Kankar is used to produce hydraulic lime.
3. Kankar has a porous structure.
4. Kankar is a type of metamorphic rock.

Correct Option: 4

Q.45 Consider the below statements with respect to balanced failure is RCC structures and identify the correct answer.
Statement A: Balanced failure is expected to occur when the compressive strain in the extreme fibre of the concrete reaches the ultimate strain and the tensile strain at the level of centroid of the steel reaches the yield strain. Statement B: Balanced failure is expected to occur by the simultaneous initiation of crushing of concrete and yielding of steel.

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

Correct Option: 3

Q.47 Identify the INCORRECT statement with respect to the constituents of glass.

1. Soda acts as an accelerator for the fusion of glass.
2. Potash renders glass infusible and makes the glass fire resistant.
3. Cullets are broken glasses added to act as flux to prevent the loss of alkali by volatilisation.
4. Lime imparts colour, brightness and shine to glass.

Correct Option: 4

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

Q.50 According to the Indian Standard Soil Classification System, the basic soil components “sand” and “silt” are symbolised with letters respectively.

1. S and S
2. S and O
4. S and M

Correct Option: 4

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

Q.51 pick the odd one out with respect to the systems of the tacheometric survey.

2. Fixed hair method
3. Tangential method
4. Subtense method

Correct Option: 3

Q.52 AS per IS 456:2000, the lap length of steel reinforcement of diameter 20 mm in compression shall NOT be less than if the criteria of the development length in compression is ignored.

1. 560 mm
2. 480 mm.
3.360 mm
4. 240 mm

Correct Option: 2

Q53 Which of the following is NOT a capping material to cylindrical concrete specimens?

1. Mixture of chloride and inert sand
2. Mixture of sulphur and five clay
3. Cement mortar
4. Neat cercat paste

Correct Option: 1

Q.54 The colour exhibited by colonies of coliform bacteria in MacConkey agar medium is

1. pink
2. blue
3. yellow
4. green

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

Q.55 Which of the following factors does NOT influence the maximum size of the aggregate used in making concrete?

1. Spacing of reinforcement
3. Thickness of the structural member
4. Cover thickness to steel reinforcement

Correct Option: 2

Q.56 Which of the following expression is correct to calculate the combined correction for curvature and refraction (C) in levelling? Where, d is the distance sighted measured in km.

1 C-0.9258d m
2.C-0.06728d m
3. C-0.78496 m
4  C-0.03456dm

Correct Option: 2

Q.57 The abrasion value of aggregates, when tested in accordance with the method specified in IS:2386. aggregates to be used in other than concrete, abrasion value of aggregates should NOT be more than:

1 20%
2. 10%
3.50%
4.30%

Correct Option: 3

Q.58 As per IS 12600:1989, the initial setting time of low heat Portland cement shall NOT be less than

1. 45
2. 60
3. 30
4.90

Correct Option: 2

Q.59 Which of the following is NOT the assumption made in the analysis of trusses?

1. All the members of truss are flexible.
2. All the members of truss are pin jointed members.
3. The members of truss are straight.
4. Forces are acting only on joints.

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 2 Part 2

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