JKSSB J.E Civil 2023 Paper
Find the centroid of laminae shown in figure
Explanation
The centroid is at (50 mm, 17 mm).
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Question ID: 7475
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A simply supported beam AB has the bending moment diagram as shown in the following
figure. The beam is possibly under the action following loads:
Explanation
Couples of M at C and 2M at D
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Question ID: 7474
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Consider full flow occurring through the circular water pipe system as shown in figure,
Determine the velocity, V (in m/s) in the branch pipe `R`.
Explanation
8
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Question ID: 7473
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What is the most common camber for earthen roads?
Explanation
The recommended camber for earthen roads is 1 in 20.
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Question ID: 7472
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Among the following water supply distribution system, which one is referred to as Reticulation system?
Explanation
Reticulation system is another name for the Grid Iron system.
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Question ID: 7471
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What is the minimum residual chlorine desired after the chlorination process?
Explanation
Residual chlorine of about 0.2 ppm is desired after 30 minutes of contact for disinfection.
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Question ID: 7470
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If 25 ml of an odorous water sample requires 175 ml of distilled water to produce 200 ml of odour free mixture, then what is the threshold odour number (TON)?
Explanation
TON = (Volume of odour free sample + Dilution water) / Volume of sample = 200/25 = 8.
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Question ID: 7469
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What is the crossing number adopted by Indian Railways for high speeds?
Explanation
For high-speed lines, Indian Railways generally adopts crossing number 1 in 16.
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Question ID: 7468
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What is the maximum ruling gradient permitted in Indian Railways in plains?
Explanation
The ruling gradient in plains for Indian Railways is 1 in 100.
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Question ID: 7467
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Consider the following statements related to the coefficient of dynamic viscosity (μ) and temperature (T) and choose the incorrect option(s).
a. For water, μ decreases when T increases
b. For water, μ increases when T increases
c. For Air, μ increases when T increases
d. For Air, μ decreases when T increases
Explanation
For liquids like water, viscosity decreases with temperature. For gases like air, viscosity increases with temperature. Hence incorrect statements are b and d.
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Question ID: 7466
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