Civil Engineering - GATE Exam Questions

31.
In reinforced concrete, pedestal is defined as compression member, whose effective length does not exceed its least dimension by
12 times
3 times
16 times
8 times
Answer: Option
Explanation:
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32.
Flexible pavements derive stability primarily from :
aggregate interlock, particle friction and cohesion
cohesion alone
the binding power of bituminous materials
the flexural strength of the surface course
Answer: Option
Explanation:
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33.
The permissible bending tensile stress in concrete for the vertical wall of an R.C. water tank made of M 25 concrete is :
8.5 N/mm2
6.0 N/mm3
2.5 N/mm2
1.8 N/mm2
Answer: Option
Explanation:
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34.
The cylinder strength of the concrete is less than the cube strength because of
the difference in the shape of the cross section of the specimens
the difference in the slendeness ratio of the specimens
the friction between the concrete specimens and the steel plate of the testing machine
the cubes are tested without capping but the cylinders are tested with capping
Answer: Option
Explanation:
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35.
A water treatment plant is required to process 28800 m3/d of raw water (density = 1000 kg/m3, kinematic viscosity = 10-6 m2/s). The rapid mixing tank imparts tank a velocity gradient of 900s-1 to blend 35 mg/l of alum with the flow for a detention time of 2 minutes. The power input (W) required for rapid mixing is
32.4
36
324
32400
Answer: Option
Explanation:
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