## SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.51 Select the correct option for the given statements.Statement 1: When the crossing site is such that the canal FSL is well above the stream HFL, the choice between aqueduct and siphon aqueduct is made depending on the stream discharge.Statement 2: For larger stream discharges (i.e. when the stream bed is much wider), an aqueduct is more suitable than a siphon aqueduct which requires lowering of the stream bed by a drop.

1. Both statement 1 and statement 2 are true, but statement 2 is not the correct explanation of statement 1

2. Statement 1 is false and statement 2 is true

3. Statement 1 is true and statement 2 is false

4. Both statement 1 and statement 2 are true, and statement 2 is the correct explanation of statement 1

Correct Option: 4

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.52 Direct stress due to self-weight and extreme bending stress at the base of a masonry dam is given as 22 N/mm2 and 44 N/mm2, respectively. Determine the value of extreme resultant stresses.

1. Max. stress = 44 N/mm2, Min. stress = 22 N/mm2

2. Max. stress = 44 N/mm2, Min. stress = −66 N/mm2

3. Max. stress = 66 N/mm2, Min. stress = −22 N/mm2

4. Max. stress = 66 N/mm2, Min. stress = 22 N/mm2

Correct Option: 3

Q.53 The dimension of Manning’s roughness coefficient ‘n’ is:

1. L−1/2T−2

2. L−1/6T−1

3. L−2/3T

4. L−1/3T

Correct Option: 4

Q.54 Which of the following factors does NOT contribute to soil/land pollution?

1. Eutrophication

2. Mining wastes

3. Agricultural activities

4. Domestic wastes

Correct Option: 1

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.55 Pavement blocks are mostly recommended during construction due to:

1. efflorescence

2. low maintenance

3. water absorption capacity

4. size of the block

Correct Option: 2

Q.56 Which of the following options represents the methods that can be used effectively to locate the routes of highways or railways from a contour map?

1. Method of cross-section and the tracing of contour gradient method

2. Tracing of contour gradient method and the equal depth contours method

3. Tracing of contour gradient method and the method of horizontal plane

4. Method of cross-section and the equal depth contours method

Correct Option: 1

Q.57 Which of the following does NOT represent the grade of Bitumen based on viscosity?

1. VG-20

2. VG-50

3. VG-30

4. VG-40

Correct Option: 2

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.58 Which of the following methods are not used for the analysis and design of watertanks?

1. Reissner’s method

2. Carpenter’s simplified method

3. BIS code method

4. Rankine method

Correct Option: 4

Q.59 In India, stones with a specific gravity less than ________ are considered unsuitable for buildings.

1. 2.4

2. 3.2

3. 3.6

4. 2.8

Correct Option: 1

Q.60 What should be the unit of measurement for earthwork in excavation in any type of soil and honeycomb brick work?

1. m3 and m2

2. m2 and m2

3. m and m2

4. m3 and m

Correct Option: 1

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.61 Silt content in fine aggregates leads to ________.

1. excellent bond characteristics

2. increased durability

3. increased shrinkage

4. decreased permeability

Correct Option: 3

Q.62 Calculate the approximate mass density of oil with 4.5m3 of volume and 40 kN of weight. (Consider g = 10 m/s2)

1. 889 kg/m3

2. 809 kg/m3

3. 920 kg/m3

4. 850 kg/m3

Correct Option: 1

Q.63 The true reduced bearing is N 5 ̊ 0’ W and the magnetic declination is 2 ̊ E. Find the true bearing in the whole circle bearing system.

1. 355 ̊

2. 353 ̊

3. 5 ̊

4. 357 ̊

Correct Option: 1

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.64 As per IS 11624-1986, what will be the water quality rating of irrigation water when residual sodium carbonate (RSC) is in the range of 1.5 to 3?

1. Very high

2. Low

3. Medium

4. High

Correct Option: 3

Q.65 Which of the following stresses is mainly responsible for the stability of a masonry chimney?

1. Shear stress due to wind pressure

2. Tensile stresses due to earthquake

3. Direct stress due to self-weight of the chimney

4. Bending stress due to horizontal wind pressure

Correct Option: 3

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.66 The mechanical device which is used to measure flow velocity, where the number of revolutions of the wheel per unit time are proportional to the velocity of the flowing water is the ____________.

1. pitot tube

2. float

3. rotameter

4. current meter

Correct Option: 4

Q.67 Which of the following statements is INCORRECT?

1. Lower water-cement ratio is required when the concrete mix is mechanically compacted to achieve higher strength as compared to the hand-compacted concrete mix with higher water-cement ratio.

2. The lower the water-cement ratio is, the higher will be the strength of concrete.

3. Graphically, the relation between the strength of concrete and the water-cement ratio is approximately cubic.

4. Lower water-cement ratio leads to lower workability.

Correct Option: 3

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.68 A vertical gate closes a horizontal tunnel 4 m high and 3 m wide running full with water. The bottom of the vertical gate is located at a distance of 8 m from the free water surface. Determine the total fluid force( in kN) acting on the gate.

1. 730

2. 720

3. 740

4. 706

Correct Option: 4

Q.69 ____________ is the method of locating an offset point from 2 different points on a chain line in such a way that all the three points form a near-equilateral triangle.

1. Perpendicular offset method

2. Method of ties

3. Swing offset method

4. Oblique offset method

Correct Option: 2

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.70 By which method is valuation carried out to be initial or prime cost less depreciation?

1. Profit-based valuation

2. Cost from detailed items

3. Initial cost-based valuation

4. Estimated cost from accounts

Correct Option: 3

Q.71 The ratio Nc/Nq for a purely cohesive soil is ________.(Nc and Nqare Terzaghi bearing capacity factors)

1. 5.14

2. 2.85

3. 2.57

4. 5.7

Correct Option: 4

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.72 The power of a centrifugal pump depends on the rate of flow of water. The rate of flow of water from the centrifugal pump is directly proportional to the ______________.

1. total head

2. revolutions per minute of the impeller

3. inner diameter of the impeller

4. outer diameter of the impeller

Correct Option: 2

Q.74 Which of the following statements regarding an electronic theodolite fitted with a graduated circle encoded in an incremental system is INCORRECT?

1. The graduated circle is fixed and it does not move.

2. One of the photodiodes is fixed and the other moves with the telescope.

3. Two photodiodes are placed perpendicular to each other over the graduated circle.

4. The graduated circle is made of glass.

Correct Option: 3

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

Q.75 As per the Indian Railways, the gauge is defined as:

1. the centre to centre distance of two track rails

2. the clear distance between outer faces of two track rails

3. the clear distance between inner faces of two track rails

4. the length of the sleeper-width of the sleeper

Correct Option: 3

SSC JE 10 Oct 2023 PAPER I Civil Shift 2 Part 7

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