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Question 361

SSC JE CE 2025• General Engineering

Directions: In the following question, a statement of Assertion (A) is followed by a statement of Reason (R). Select the correct option:

Assertion(A) : The addition of lime to cement improves its workability and makes it easier to handle during construction.

Reason(R) : Lime increases the water retention capacity of the cement mix, which reduces shrinkage and cracking during curing.

  1. AOption (a)

    Both Assertion and Reason are true, and the Reason is the correct explanation of the Assertion.

  2. BOption (b)

    Both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.

  3. COption (c)

    The Assertion is true, but the Reason is false.

  4. DOption (d)

    The Assertion is false, but the Reason is true.

View answer & explanation

Correct answer

Answer: (a)A.

Both Assertion and Reason are true, and the Reason is the correct explanation of the Assertion.

Explanation not yet available.

Question 362

SSC JE CE 2025• General Engineering

If a map is prepared to a scale of 1:4000, what is the length of 0. 5 cm on the map in real-world measurements?

  1. AOption (a)

    2 m

  2. BOption (b)

    20 m

  3. COption (c)

    200 m

  4. DOption (d)

    2 km

View answer & explanation

Correct answer

Answer: (a)A.

2 m

Explanation not yet available.

Question 363

SSC JE CE 2025• General Engineering

In plane table surveying, Lehmann’s rule is associated with:

  1. AOption (a)

    Solution of all types of resection problems

  2. BOption (b)

    Method of resection after orientation by compass

  3. COption (c)

    Method of resection by two-point problem

  4. DOption (d)

    Method of resection by three-point problem

View answer & explanation

Correct answer

Answer: (a)A.

Solution of all types of resection problems

Explanation not yet available.

Question 364

SSC JE CE 2025• General Engineering

What does the Bearing of a line represent?

  1. AOption (a)

    The angle between the survey line and the equator

  2. BOption (b)

    The horizontal angle between the reference meridian and the survey line

  3. COption (c)

    The angle between the true north and the reference line

  4. DOption (d)

    The vertical angle between two points on a map

View answer & explanation

Correct answer

Answer: (a)A.

The angle between the survey line and the equator

Explanation not yet available.

Question 365

SSC JE CE 2025• General Engineering

Which of the following is the correct relationship between Fore Bearing (F.B.) and Back Bearing (B.B.) in the W.C.B. system?

  1. AOption (a)

    Back Bearing = Fore Bearing \(\pm 180^\circ\)

  2. BOption (b)

    Back Bearing = Fore Bearing - \(180^\circ\)

  3. COption (c)

    Back Bearing = Fore Bearing + \(90^\circ\)

  4. DOption (d)

    Back Bearing = Fore Bearing - \(90^\circ\)

View answer & explanation

Correct answer

Answer: (a)A.

Back Bearing = Fore Bearing \(\pm 180^\circ\)

Explanation not yet available.

Question 366

SSC JE CE 2025• General Engineering

Which of the following is accurate regarding the closure of contour lines on a map?

  1. AOption (a)

    Contour lines must form a continuous loop without any gaps

  2. BOption (b)

    Contour lines must close but can remain outside the visible limits of the map

  3. COption (c)

    Contour lines must always close within the borders of the map and cannot extend beyond the edges

  4. DOption (d)

    Contour lines can be truncated at the map’s edge if necessary

View answer & explanation

Correct answer

Answer: (a)A.

Contour lines must form a continuous loop without any gaps

Explanation not yet available.

Question 367

SSC JE CE 2025• General Engineering

A compaction curve shifts upwards and to the left after adding \(5%\) cement to silty sand. The cause is:

  1. AOption (a)

    Increase in the soil’s moisture content

  2. BOption (b)

    Increase in the soil’s plasticity

  3. COption (c)

    Increase in the dry density and decrease in the optimum moisture content.

  4. DOption (d)

    Increase in permeability

View answer & explanation

Correct answer

Answer: (a)A.

Increase in the soil’s moisture content

Explanation not yet available.

Question 368

SSC JE CE 2025• General Engineering

In a flow net, Nf = 4, Nd = 8, H = 3 m, k = \(2 \times 10^{-4}\) m/s. Seepage (\(m^3/s\)) per m width is:

  1. AOption (a)

    \(2 \times 10^{-4}\)

  2. BOption (b)

    \(3 \times 10^{-4}\)

  3. COption (c)

    \(4 \times 10^{-4}\)

  4. DOption (d)

    \(5 \times 10^{-4}\)

View answer & explanation

Correct answer

Answer: (a)A.

\(2 \times 10^{-4}\)

Explanation not yet available.

Question 369

SSC JE CE 2025• General Engineering

What is the main purpose of a sedimentation tank in water treatment?

  1. AOption (a)

    To remove dissolved gases

  2. BOption (b)

    To remove suspended solids by gravity

  3. COption (c)

    To add chemicals for coagulation

  4. DOption (d)

    To disinfect the water

View answer & explanation

Correct answer

Answer: (a)A.

To remove dissolved gases

Explanation not yet available.

Question 370

SSC JE CE 2025• General Engineering

Which type of water treatment process is most effective for removing heavy metals from water?

  1. AOption (a)

    Activated carbon adsorption

  2. BOption (b)

    Chlorination

  3. COption (c)

    Chemical precipitation

  4. DOption (d)

    Boiling

View answer & explanation

Correct answer

Answer: (a)A.

Activated carbon adsorption

Explanation not yet available.
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