## DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

Q.61 Which of the following types of cement uses relatively high purity lime for its manufacture?

1. Portland Pozzolana cement

2. High alumina cement

3. White cement

4. Portland slag cement

Correct Option: 3

Q.62 According to the Terzaghi’s theory of one-dimensional consolidation, the direction of load applied is in

1. one direction only and deformation occurs only in the direction of application of load

2. one direction only and deformation occurs in all directions

3. two directions and deformation occurs only in those two directions

4. three directions and deformation occur in all directions

Correct Option: 1

Q.63 Calculate the pressure at a point which is at 3 m from the free surface of the liquid having density 1.2 x 103 kg/m3. Take acceleration due to gravity as 10 m/sec2.

1 360000 N/m?

2. 3600 N/m?

3. 36000 N/m

4360 N/m?

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

Q.64 Which of the following properties of cement is determined using Blaine’s air permeability test apparatus?

1. Initial setting time

2. Loss on ignition

3. Residues

4. Fineness

Correct Option: 4

Q.65 As per IS 456:2000, the minimum cement content to be used in reinforced concrete structures with normal weight aggregates of 20 mm nominal maximum size, at severe exposure condition, is_

1360 kg/m

2. 300 kg/m

3.340 kg/m3

4.320 kg/m3

Correct Option: 4

Q.66 AS per IS 456:2000, the lap length of steel reinforcement (rebar) in compression shall be equal to less than 24 times the diameter of rebar.

but not

1. the development length in compression

2. 12 times the diameter of rebar

3. the development length on tension

4. 16 times the diameter of rebar

Correct Option: 1

Q67. Consider the following statements with respect to contours and identify the correct answer.

Statement A: Two contour lines of different elevations cannot cross each other at any given condition. Statement B: Contour located close together indicate a steep slope.

1. Both statements are correct

2. Statement A is correct and B is incorrect

3. Both statements are incorrect

4. Statement B is correct and A is incorrect

Correct Option: 4

DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

Consider the following statements with respect to the properties of stones and identify the correct answer. Q.68 Statement A: Glassy, greasy, dull and metallic are few types of lustre of minerals.

Statement B: The shine on the surface of a mineral and its appearance under reflected light is called as streak.

1. Statement A is correct and B is incorrect

2. Both statements are incorrect

3. Both statements are correct

4. Statement B is correct and A is incorrect

Correct Option: 1

Q.69 The ratio of the volume of coarse aggregate per unit volume of the total aggregate for water to cementitious material of 0.50 is mentioned for zones of sand in IS 10262:2019.

1 4

2.5

3.2

4.3

Correct Option: 1

Q.70 Which of the following is the second ruling principle of surveying?

1. Working from part to whole

2. Working from whole to part

3. Levelling

4. Compass surveying

Correct Option: 2

DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

Q72 As per IS soil classification, organic silts of low plasticity are represented by the symbol_

1. OL

2. O1

3. OH

4. OP

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

Q.73 For a foundation, the allowable bearing pressure depends

1 on both net safe bearing capacity and net safe settlement pressure of soil

2. Neither on the ultimate bearing capacity of soil nor the allowable settlement only

3. on the allowable settlement of soil only

4. on the ultimate bearing capacity of soil only

Correct Option: 1

Q.74 Which of the following types of cement is suitable for mass concreting?

1 Low heat cement

2. Quick set cement

3. Rapid hardening cement

4. White cement

Correct Option: 1

Q.75 Which of the following methods of a tachometric survey is also known as the subtense method?

1.Movable hair method

2. Tangential method

3. Stadia method

4. Fixed hair method

Correct Option: 1

Q.76 Which of the following statements is INCORRECT with respect to the assumptions made in the derivation of Euler’s critical load on columns?

1. The column is perfectly straight with no initial crookedness.

2. The member attains its maximum bending moment before buckling.

3. Modulus of elasticity E and moment of inertia I of the column are constant.

4. The load acting on the column is axial.

Correct Option: 2

DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

Q.77 The objective of a three-point problem in plane table surveying is

1 radiation

2. trisection

3. intersection

4. resection

Correct Option: 4

Q.78 Consider the following statements with respect to shear stress distribution in a beam cross-section and identify the correct answer.

Statement A: The maximum intensity of shear stress in a rectangular beam cross-section at neutral axis is equal to 1.5 times the average shear stress.

Statement B: The maximum intensity of shear stress in a triangular beam cross-section is equal to 1.5 times the average shear stress.

1. Statement A is correct and B is incorrect

2. Both statements are correct

3. Statement B is correct and A is incorrect

4. Both statements are incorrect

Correct Option: 2

Q.79 The workability of concrete for a given volume of water is independent of

1. method of curing

2. admixtures

3. shape of aggregates used

4. water cement ratio

Correct Option:1

Q.80 Identify the INCORRECT statement with respect to analysis of trusses using method of sections.

1. The section line can pass through members and joints.

2. The section line can pass through only two members.

3. The section line can pass through maximum of three members because only three conditions of equilibrium are available.

4. The section line can pass through four members in a situation where three members are meeting at a common point.

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 1 Part 3

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