DDA JE Civil Paper 1 April 2023 Shift 3 Part 3

Q.61 The direction of a line PQ is found to be 186°30′ in the whole circle bearing system. The direction of the same line in the quadrantal bearing system is

1. S 6°30′ W
2. N 173°30′ W
3. S 83°30′ W
4. N 186°30′ E

Correct Option: 1

Q.62 Calculate Reynold’s number, if the kinematic viscosity of water is 0.01 × 10-4 m2/sec, flowing through a pipe of diameter 200 mm with a velocity of 5 m/s.

1- 1 × 106
2. 3.5 × 106
3. 0.4 × 106
4- 2.0 x 106

Correct Option: 1

Q.63 The value of coefficient of the curvature (C) for well graded soil lies between

1. 1 to 3
2. 15 to 17
3. 5 to 7
4. 9 to 11

Correct Option: 1

DDA JE Civil Paper 1 April 2023 Shift 3 Part 3

Q.64 Consider the given statements with respect to purpose of settling in the treatment of municipal and industrial wastewater and identify the correct answer.
Statement A: To remove coagulated and flocculated impurities.
Statement B: To settle the sludge (biomass) after activated sludge process / tricking filters.

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

Correct Option: 1

Q65. Consider the given information related to size of RCC slabs and identify one-way slabs.
Slab 1: Lx 5 m, Ly = 7 m
Slab 2: Lx = 3 m, Ly = 7m
Slab 3: Lx 3.5 m, Ly=5 m
Slab 4: Lx = 4 m, Ly = 9.5 m
Slab 5: Lx = 4.5 m, Ly = 9 m

1. Slab 1, slab 3
2. Slab 2, slab 4
3. Slab 2, slab 4, slab 5
4. Slab 1, slab 3, slab 5

Correct Option: 2

DDA JE Civil Paper 1 April 2023 Shift 3 Part 3

Q.66 Consider the given information related to size (Width x Depth x Height) of RCC columns and identify slender columns.
Column 1: 450 mm x 450 mm × 3800 mm
Column 2: 150 mm × 300 mm × 3650 mm
Column 3: 200 mm × 450 mm × 3650 mm
Column 4: 150 mm × 300 mm × 2500 mm
Column 5: 300 mm × 300 mm × 3200 mm

1. Column 1, column 4, column 5
2. Column 2, column 3, column 4
3. Column 2, column 4, column 5
4. Column 2, column 3, column 5

Correct Option: 2

Q.69 Which of the following methods is used for the determination of coefficient of consolidation?

1. Square root of time method
2. Logarithm of density method
3. Square root of volume method
4. Logarithm of volume method

Correct Option: 1

DDA JE Civil Paper 1 April 2023 Shift 3 Part 3

Q.70 As per IS 456: 2000, the nominal cover thickness specified to meet 1.5 hours of fire resistance in case of simply supported beams is

1.15 mm
2. 20 mm
3. 40 mm
4. 60 mm

Correct Option: 2

Q.71 Consider the given statements with respect to hot and cold weather concreting and identify the correct answer.
Statement A: Hot weather concreting experiences lesser plastic shrinkage when compared to concreting in normal weather condition.
Statement B: The rate of hardening of cement concrete in cold weather is lower than that in hot weather.

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

Correct Option: 4

Q.72 Which of the following is NOT a desirable property of concrete, that is expected to provide good compressive strength?

1. Greater permeability
2. Greater compacted density
3. Reduced segregation and bleeding
4. Reduced porosity

Correct Option: 1

DDA JE Civil Paper 1 April 2023 Shift 3 Part 3

Q73. Which of the following statements is/are correct/incorrect for the honeycomb soil structure?

Statement A: It is found in soils having sizes of 0.02 mm to 0.002 mm.
Statement B: These soils enclosed a small volume of voids.
1. Both Statements A and B are correct
2. Only Statement B is correct
3. Both Statements A and B are incorrect
4. Only Statement A is correct

Correct Option: 4

Q75. As per Indian Standard Soil Classification System (ISSCS), if the coefficient of uniformity of a soil sample is greater than 4 and coefficient of curvatures lies between 1 to 3, the soil is classified as

1. GC
2. SP
3. SC
4. GW

Correct Option: 4

DDA JE Civil Paper 1 April 2023 Shift 3 Part 3

Q.76 The magnetic bearing of a line XY is S 25° 30′ E. Calculate its true bearing, if the magnetic declination at that place is
4° 30′ E.

1. S 21° 00′ E
2. S 30° 00′ E
3. S 27° 30′ E
4. S 33° 30′ E

Correct Option: 1

Q.78 Which of the following defects in timber due to abnormal growth has longitudinal cracks that are usually normal to the annular rings?
1. Checks
2. Rind galls
3. Foxiness
4. End splits
Correct Option: 1

DDA JE Civil Paper 1 April 2023 Shift 3 Part 3