# SSC JE 9 Oct 2023 PAPER I Civil Part 8

## SSC JE 9 Oct 2023 PAPER I Civil Part 8

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.76 If the section factor and the hydraulic depth for a rectangular channel are 40 m and 4 m, respectively, then calculate the top width of the channel.

1. 3 m
2. 5 m
3. 4 m
4. 6 m

Correct Option: 2

Q.77 Which of the following is NOT employed in the secondary treatment of sewage?

1. Trickling filters
2. Sand filters
3. Contact beds
4. Skimming tanks

Correct Option: 4

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.79 Which of the following is an acoustical property of the construction material?

1. Hygroscopicity
2. Thermal resistivity
3. Transmission
4. Creep

Correct Option: 3

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.80 For zenith angles greater than 90°, the telescope of the total station will be _________.

1. pointing to the right of the observer
2. pointing downwards
3. pointing to the left of the observer
4. pointing upwards

Correct Option: 2

Q.81 As per the Dicken’s formula Qp = C.M3/4 for the calculation of peak drainage discharge, the term ‘M’ represents:

1. time of concentration
2. rainfall intensity over the entire area
3. slope of the ground surface
4. catchment area in sq. km.

Correct Option: 4

Q.82 Select the option that is appropriate regarding the following two statements labelled Assertion and Reason.Assertion: The orographic type of precipitation that is caused by moving masses of moist air may get lifted up to higher altitudes, due to presence of mountains as barriers.Reason: Moving masses of moist air are lifted up to higher altitudes due to presence of mountains as barriers and consequently, they undergo cooling, condensation and precipitation.

1. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
2. Both Assertion and Reason are false.
3. Assertion is true, but Reason is false.
4. Both Assertion and Reason are true and Reason is the correct explanation of Assertion.

Correct Option: 4

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.83 Read the given statements about crop water requirement and select the correct option.Statement 1: Duty will be less for a crop requiring more water.Statement 2: The water lost due to percolation will be more and hence the duty will be more.

1. Both statement 1 and statement 2 are false
2. Both statement 1 and statement 2 are true
3. Statement 1 is true and statement 2 is false
4. Statement 1 is false and statement 2 is true

Correct Option: 3

Q.85 Select the correct option for the given statements.Statement 1: In level crossing, the canal water and drain water are allowed to intermingle with each other.Statement 2: A level crossing is generally provided when a large canal and huge drainage approaches each other practically at the same level.

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

Correct Option: 2

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.86 The Froude number is the ratio of two forces, which are:

1. viscous force and buoyancy force
2. inertia force and gravity force
3. inertia force and pressure force
4. buoyancy force and inertia force

Correct Option: 2

Q.87 As per IS 11624-1986, what will be the water quality rating of irrigation water when electrical conductivity (EC) is in the range of 1500 to 3000 (micromhos/cm)?

1. Very high
2. Medium
3. High
4. Low

Correct Option: 2

Q.88 The standard consistency test of cement is conducted by using ________.

1. Blaine’s permeability apparatus
2. Vicat’s apparatus
3. Le Chatelier’s apparatus
4. Casagrande’s apparatus

Correct Option: 2

Q.89 The bearing of the magnetic meridian of a line is S 32° 10’ W. If the magnetic declination is 7° 40’ East, then the true bearing is _______________.

1. 205° 30’
2. 212° 10’
3. S 39° 50’ W
4. S 25° 30’ W

Correct Option: 3

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.90 Which of the following statements with respect to characteristics of solid waste is correct?

1. The refuse of a typical Indian city has less density than that of a city in the USA.
2. The refuse of a typical Indian city has less garbage percentage (by weight) than that of a city in the USA.
3. The refuse of a typical Indian city has more garbage percentage (by weight) than that of a city in the USA.
4. The refuse of a typical Indian city has more rubbish percentage (by weight) than that of a city in the USA.

Correct Option: 3

Q.91 Select the correct option for the given statements related to the field test of cement.Statement 1: When you insert your hand in a bag of cement, it should give you a hot feeling.Statement 2: In adulteration test, take a pinch of cement and feel (rub) between the fingers; it should give a smooth feeling and not a gritty feeling.

1. Both statement 1 and statement 2 are true
2. Statement 1 is true and statement 2 is false
3. Both statement 1 and statement 2 are false
4. Statement 1 is false and statement 2 is true

Correct Option: 4

Q.92 As per IS 3495 part-3 (1992), soluble salts, if present in bricks, will cause efflorescence on the surface of bricks. If the white deposits cover about 10% of the surface, the efflorescence is said to be ________.

1. slight
2. nil
3. moderate
4. heavy

Correct Option: 1

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.93 A capillary tube of diameter 4 mm is dipped into a liquid of specific gravity 0.6. The liquid rises in the tube by 20 mm, making an angle of contact of 0° with the tube. Determine the surface tension of the liquid in contact with air and the glass tube.

1. 1 N/m
2. 0.5 N/m
3. 0.12 N/m
4. 0.08 N/m

Correct Option: 3

Q.94 The constant head permeability test is used for _______.

1. coarse grained soil
2. organic soil
3. fine grained soil
4. clayey soil

Correct Option: 1

Q.95 A fine grained soil has liquid limit of 55 and plastic limit of 20 as per plasticity chart. According to IS classification, the soil is represented by which of the following letter symbols?

1. CL-ML
2. CI-ML
3. CH
4. CL-OL

Correct Option: 3

SSC JE 9 Oct 2023 PAPER I Civil Part 8

Q.96 Pavements which have low or negligible flexural strength are called ____________.

1. semi rigid pavements
2. rigid pavements
3. cement concrete and gravel roads
4. flexible pavements

Correct Option: 4

Q.97 What is the standard atmospheric pressure at sea level?

1. 1.3 bar
2. 1.5 bar
3. 1.013 bar
4. 1013 mmHg

Correct Option: 3

Q.98 The A-line in the unified classification system table is used to determine the plasticity index (IP) of soil sample on its liquid limit (WL). The equation for the A-line is given as ______.

1. IP = 0.5 (20 – WL)
2. IP = WL – 40
3. IP = 0.73 (WL – 20)
4. IP = 0.73 (40 – WL)

Correct Option: 3

Q.99 If the magnetic bearing of the Sun at a certain place in the Southern Hemisphere during noon is 336° 29’, then the magnetic declination at that place is __________.

1. 23° 31’ E
2. 66° 29’ W
3. 23° 31’ W
4. 66° 29’ E

Correct Option: 1

SSC JE 9 Oct 2023 PAPER I Civil Part 8

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