DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q31. Consider the following statements.
Puzzolana used as an admixture in concrete has the following advantages.
1. It improves workability with lesser amount of water.
2. It increases heat of hydration and so sets the concrete quickly.
3. It increases resistance to attack by salts and sulphates.
4. It leaches calcium hydroxide.
Select the correct answer from the given options.
1. 1 and 3
2. 2, 3 and 4
3. 1, 2, 3 and 4
4. 1, 2 and 4
Correct Option: 1
Q.32 The specific gravity of one litre of liquid weighing 9.81 N is:
1.3
21
3. 2
4. 4
Correct Option: 2
Q.33 Azimuth is the angle between:
1. magnetic meridian and a line
2. arbitrary meridian and a line
3. grid meridian and a line
4. true meridian and a line
Correct Option: 4
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q35. A single riveted lap joint is made in 10 mm thick plates with 20 mm diameter rivets. Determine the bearing strength of the rivet if stresses in bearing is 150 MPa.
1. 30 KN
2. 50 KN
3. 20 KN
4. 40 kN
Correct Option: 1
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.37 Consider the following statements and select the correct option.
The effect of sea water on hardened concrete is to:
1. increase its strength
2. reduce its strength
3. retard setting
4. decrease its durability
1. 2 and 4 are correct
2. 2 and 3 are correct
3. 1 and 3 are correct
4. 1 and 4 are correct
Correct Option: 1
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.38 The water pressure per metre length for a water depth of 10 m on a vertical wall is:
Take specific weight of water = 10 kN/m2.
1-500 kN/m2
2. 250 kN/m2
3. 10 kN/m2
4- 200 kN/m2
Correct Option: 1
Q.39 In which type of soil classification is the percentage of organics matter and particles of decomposed vegetation categorised into peat?
1. Indian standard classification system
2. AASHTO classification
3. MIT soil classification
4. Unified soil classification system
Correct Option: 1
Q.40 The length, breadth, and height of a rectangular tank full of water up to its brim is in the ratio of 2:1:2. The ratio of hydrostatic forces at the bottom of that at any larger vertical surface is:
1.1
2 4
3. 2
4.3
Correct Option: 1
Q.41 The most common method used for determining bending moments in slabs spanning in two directions at right angles and carrying concentrated load is:
1. Rankine’s theory
2. Coulomb’s theory
3. Wester-guard’s theory
4. Euler’s theory
Correct Option: 3
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q43. Which of the following pairs with regards to coarse aggregate greater than 10 mm is NOT correctly matched?
(A) Crushing resistance → 10 per cent fine
(B) Toughness → Impact test
(C) Hardness → Abrasion set
(D) Specific gravity → Pycnometer
1. C
2. B
3. A
4. D
Correct Option: 3
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.45 What is the seepage velocity of water in a soil if its discharge velocity is 4 × 105 m/s and void ratio is 0.50?
1- 20 × 10-7 m/s
2- 18 x 107 m/s
3. 22 × 10-7 m/s
4- 12 × 10-5 m/s
Correct Option: 4
Q.46 The maximum daily consumption of water is equal to:
1. 140% of the annual average daily consumption
2. 150% of the average for the day
3. 13% of the annual average daily rate of demand
4. 180% of the annual average daily consumption
Correct Option: 4
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.47 A composite section contains four different materials. The stresses in all the different materials will be:
1. different
2. in the ratio of their areas
3. zero
4. equal
Correct Option: 1
Q.48 What is the name of the thinner used in plastic paint?
1. Oil
2. Spirit
3. Water
4. Naphtha
Correct Option: 3
Q.49 Air-entrained concrete is most suitable in:
1. submariner condition
2. extreme hot climate
3. underwater condition
4. extreme cold climate
Correct Option: 4
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.50 In the sedimentation processes of a water treatment unit, zone settling refers to:
1. flocculent suspension of high concentration
2. dilute suspension of particles that coalesce or flocculate during the sedimentation process
3. flocculent suspension of intermediate concentration
4. sedimentation of discrete particles in a suspension of low solids concentration
Correct Option: 3
Q.52 According to IS 456-2000, organic matter present in water for making concrete should NOT be more than:
1. 2000 mg/l
2. 1000 mg/1
3. 200 mg/1
4. 100 mg/1
Correct Option: 3
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.53 The difference of pressure between any two points in a pipeline or container is measured using:
1. U-tube manometers
2. simple manometers
3. differential manometers
4. piezometers
Correct Option: 3
Q.54 test is conducted for checking the adjustment of a level.
1. Three peg
2. Four peg
3. One peg
4. Two peg
Correct Option: 4
Q.55 The processes of sludge treatment which improves the drainability of digested sludge is:
1. dewatering
2. conditioning
3. thickening
4. digestion
Correct Option: 2
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.57 The Indian Standard Method of concrete mix design uses the value of
based on the degree of quality control.
1. standard deviation
2. mean
3. mode
4. variance
Correct Option: 1
Q.58 The maximum permissible limit of total hardness present in drinking water in the absence of alternate source of water, as per IS 10500-2012 is:
1. 1000 mg/1
2. 400 mg/l
3. 600 mg/1
4. 200 mg/l
Correct Option: 3
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
Q.60 The horizontal distance between two consecutive contour lines is called:
1. contour gradient
2. horizontal interval
3. vertical equivalent
4. horizontal equivalent
Correct Option: 4
DDA JE Civil Paper 1 April 2023 Shift 2 Part 2
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