DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q.31 If the manual compaction is adopted for a manufacture of 15 em cubical concrete specimen to determine its compressive strength, then the number of strokes to be given per layer is

1 25
2.35
3. 45
415

Correct Option: 2

Q.32 As per IS 516:1959, which of the following is the correct size of flexural strength test specimen made of concrete?

1 100 x 100 x 700 mm
2. 150 x 150 x 700 mm
3. 150 x 150 x 500 mm
4100 x 100 x 400 mm

Correct Option: 2

Q34. Consider the following statements with respect to modular ratio used in the design of RCC structures and identify the correct answer.

Statement A: The ratio of the modulus of elasticity of steel to that of concrete is called the modular ratio.

Statement B: The concept of “modular ratio is used to transform the composite section into an equivalent homogeneous section made up entirely of one material.

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

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q.35 Identify the INCORRECT statement with respect to constituents of good brick earth.

1 Good brick earth should contain about 20% to 30% of alumina.
2. Good brick earth should contain about 10% to 13% of Magnesia.
3. Alumina is responsible for plasticity characteristic of earth, which is important in moulding operation.
4. Magnesium in brick earth imparts a yellow tint to the brick.

Correct Option: 2

Q.36 As per IS 456:2000, the cross-sectional area of longitudinal reinforcement in a reinforced cement concrete column of size 150 x 300 mm shall NOT be less than Consider limit state method of design.

1 200 mm?
2. 360 mm?
3. 420 mm?
4 750 mm

Correct Option: 2

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q.37 Select the correct statement with respect to bearing of a survey line.

1. Surveyor’s compass is used to measure true bearing of a line directly.
2. Arbitrary bearing can be measured by theodolite or sextant.
3. Magnetic bearing of a survey line cannot be measured by any instrument.
4. True bearing can be measured by using prismatic compass directly.

Correct Option: 2

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q38 A surveyor compass

1 measures the direction of a survey line in whole circle bearing system
2. consists a needle of broad needle type
3. consist a metal object vane with a vertical hair
4. consist a graduated card ring which does not rotate with the line of sight

Correct Option: 3

Q.39 ____is a sewer section that is constructed lower than the adjacent sewer sections and runs full gravity pressure greater than atmosphere.

1. Inverted siphon
2. Drop manhole
3. Flushing tank
4. Grease and oil trap

Correct Option: 1

Q.40 Which of the following materials possesses a specific gravity value equal to 3.14?

1. Pure bitumen
2. Water
3. Ordinary Portland cement
4. Lead

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q41. As per IS 800:2007, when transverse stiffeners are not provided in a plate girder, the ratio of web connected to flanges along both longitudinal edges shall be Where d depth of the web, t-thickness of the web and w
yield stress ratio of web.

1 less than or equal to 200
2. less than or equal to 340
3. less than or equal to 2706
4. less than or equal to 90

Correct Option: 1

Q.42 Identify the INCORRECT statement with respect to “Laterite stone”.

1. Laterite stone can be split into thin slabs.
2. Laterite stone is suitable for rough stone masonry works.
3. Laterite stone has porous and cellular structure.
4. Laterite stone is not a type of Igneous rock.

Correct Option: 1

Q.43 If the coefficient of permeability of a soil is 50 mm/sec, then the type of soil is

1. clean gravel
2. clean sand
3. silt
4. sand

Correct Option: 1

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q44. Consider the following statements with respect to hydraulic pumps and identify the correct answer.

Statement A: Reciprocating pumps are used for lifting oils from deep wells, as it can build up very high pressures.

Statement B: Discharge capacity of reciprocating pumps is much greater than that of centrifugal pumps.

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

Correct Option: 3

Q.45 Which of the following statements is correct with respect to soil?

1. Water content can never be greater than 100%
2. Water content value is only between 0 and 100%
3. Water content can be less than 0%
4. Water content can be greater than 100%

Correct Option: 4

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q46. Consider the following statements with respect to splices in steel tension members and identify the correct answer.

Statement A: Splices in tension members are used to join two sections when a joint is to be provided, i.e. these replace the members at the joint where it is cut.

Statement B: As per IS specifications, the splice connections should be designed for a force of at least 0.9 times the member design capacity in tension.

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: 2

Q47. Consider the following statements and identify the correct answer.
Statement A: In case of trickling filters, the bacteria film coating the grains of the filter media is stationary and likely to become clogged after some time.
Statement B: In case of activated sludge process, the finer organic suspended particles of sewage are themselves coated with the bacterial film, which is kept moving by the constant agitation.

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

Correct Option: 3

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q48. Consider the following statements with respect to compass surveying and identify the correct answer. Statement A: The direction of a survey line measured using a prismatic compass is called magnetic bearing. Statement B: The direction of a survey line measured using a surveyor compass is called arbitrary bearing.

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: 1

Q.49 As per IS 383:1970, the percentage of fine aggregates (FA) passing through 2.36 mm shall be in the range of Zone II FA.

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

Correct Option: 1

Q50. Consider the following statements with respect to the properties of Asbestos and identify the correct answer. Statement A: Asbestos has high electric conductivity.
Statement B: Asbestos is highly resistant to alkalis.

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

Correct Option: 2

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q.51 The vane shear test on a soil sample to determine its shear strength can be performed

1 neither on field nor in laboratory as it is an empirical method of shear strength estimation
2. both in field and laboratory
3. only on field
4. only in laboratory

Correct Option: 2

Q.52 The sum of measured interior angles should be equal to
for a closed traverse with 5 sides.

1. 540°
2. 720°
3. 280°
4.640°

Correct Option:1

Q.53 As per CPHEEO,_____ a residual pressure head of single storey building.
has to be maintained in water distribution systems for a

1. 7m
2. 17 m
3.25 m
4. 40

Correct Option:1

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2

Q54. A reinforced cement concrete cantilever beam is subjected to a uniformly distributed load with an intensity ‘w’ KN/m directed vertically upwards. The main reinforcement (longitudinal) shall be provided
Ignore the self-weight of the beam.

1 anywhere in the section of the beam
2. along the neutral axis
3. above neutral axis
4. below neutral axis

Correct Option: 4

Q.55 Consider the following statements with respect to the design of RCC structures as per IS 456:2000 and identify the
correct answer.
Statement A: Rupture of one or more critical sections is addressed in limit state of serviceability.
Statement B: Deflection in RCC sections is addressed in limit state of serviceability.

1. Statement A is correct and B is incorrect
2. Both statements are correct
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 2

Q.56 Convert the direction of a line PQ measured in whole circle bearing system, 75°30′, into quadrantal bearing system.

1. N 255-30 E
2. N 255°30′ W
3. N 75°30’E
4. N 75°30′ W

Correct Option: 3

Q.57 When a cantilever beam is subjected to a point load which is directed vertically upwards at its free end, the maximum compressive stresses will be developed at

1. one third depth of the beam measured from the bottom
2. top fibres of the beam
3. 0.6 times the depth of the beam measured from the top
4. bottom fibres of the beam

Correct Option: 2

Q.58 Consider the following statements regarding the disadvantages of partially separate systems and identify the correct answer.
Statement A: In partially separate systems, the cost of pumping is increased as compared to separate systems.
Statement B: In partially separate systems, self-cleansing velocity may not develop in dry weather flow.

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

Correct Option:1

Q.59 A soil sample weighs 120 g and after oven drying the weight reduces to 90 g. What will be the weight of water before oven drying?

1 30 g
2.90 g
3. 210 g
4. 120 g

Correct Option:1

DDA JE Civil Paper 28 March 2023 Shift 1 Part 2