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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 7
41.
A beam of uniform strength refers which one of the following ?
A beam in which extreme fibre stresses are same at all cross-sections along the length of the beam.
A beam in which the moment of inertia about the axis of bending is constant at all cross-sections of the beam.
A beam in which the distribution of bending stress across the depth of cross-section is uniform of all cross-sections of the beam.
A beam in which the bending stress is uniform at the maximum bending moment cross-section.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
A sample of ground water at a pH of 7.0 contains 122 mg/l of bicarbonates. What is the alkalinity of this water (in terms of CaC0 ) ?
120 mg/1
60 mg/1
100 mg/1
200 mg/l
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The effective depth of a singly reinforced rectangular beam is 30 cm. The section is over-rein-forced and the neutral axis is 12 cm below the top. If the maximum stress attained by concrete is 50 kg/cm2 and the modular ratio is 18, then the stress developed in steel would be
1800 kg/cm2
1600 kg/cm2
1350 kg/cm2
1300 kg/cm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Soil at a site consists of two layers. The top layer has permeability k units and bottom layer has permeability 5k units. If the thickness of both the layers is equal, then what is the average permeability in the vertical direction ?
3k units
(5/3)k units
(6/5)k units
(5/6)k units
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
A part of the Newmark's influence chart with four concentric circles is shown in the above figure. If the hatched areas 1 and 2 are loaded separately with the same intensity of loading, then the intensity of pressure yielded
By 1 will be more than that yielded by 2
By 2 w ill be more than that yielded by 1
By 1 and 2 will be equal
at the centre will be in inverse proportion to the radii of the two, circles
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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