Civil Engineering :: UPSC Civil Service Exam Questions
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Given that for a channel section, the width of flange = b, the depth of the web between centres of flanges = h, the thickness of flange = t(, the moment of interia of the channel about the axis of bending = I, the distance 'e' of the shear centre outside the channel section from the mid-thickness of the web is:
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The effective flange area in tension of a plate girder is equal to (where Af is the area of each flange and Aw, is the web area).
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For complete hydration of cement the W/C ratio needed is
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A hollow circular column at internal diameter 'd' and external diameter '1.5 d' is subjected to compressive load. The maximum distance of the point of application of load from the centre for no tension is
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Consider the following statements :
1. Alum coagulation decreases the alkalinity of water.
2. Alum coagulation increases permanent hardness of water.
3. Alum coagulation decreases pH of water.
4. Alum coagulation produces aluminium hydroxide flocks in the flocculation process.
Which of the statements given above are correct ? -
A seamless pipe with 80 cm diameter carries a fluid under a pressure of 2 N/mm2. If the permissible tensile stress is 100 N/mm2, the minimum required thickness of the pipe is
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A simply supported beam of span l and flexural rigidity EI, carries a unit point load at its centre. The strain energy in the beam due to bending is
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A beam carries a uniformly distributed load throughout its length. In which of the following configurations will the strain energy be maximum ?
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If carbon monoxide is released at the rate of 0.03 m3/min from a gasolene engine and 50 ppm is the threshold limit for an 8-hour exposure, the quantity of air which dilutes the contaminant to a safe level will be
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Consider the following factors :
1. Provision of a suitable slope to the top of the sill.
2. Proper throating of the sill to throw off the water outside.
3. Giving a projection of not less than 50 mm to the sill.
4. Providing damp-proof course below the sill to check the entry of moisture inside the main wall.
Those considered while constructing a brick sill would include
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