# Civil Engineering - UPSC Civil Service Exam Questions

46.

If Δ p is increment ofpressure on a normally consolidated saturated soil mass, as per Terzaghi's theory at the instant of application of pressure increment i.e. when time t = 0, what is the pore pressure developed in the soil mass ?

 A. Zero B. Very much less than Δ p C. Equal to Δ p D. Greater than Δ p

Explanation:

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47.

A normally consolidated clay layer settles by 25 mm when the effective stress is increased from 15 kPa to 30 kPa. If the effective stress is later increased further from 30 kPa to 60 kPa, then the additional settlement would be

 A. 25 mm B. 50 mm C. 75 mm D. 100 mm

Explanation:

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48.

Assuming the safe stopping sight distance to be 80 m on a flat highway section and with a setback distance of 10 m, what would be the radius of the negotiable horizontal curve ?

 A. 800 m B. 160 m C. 80 m D. 70 m

Explanation:

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49.

What is the time by which the completion of an activity can be delayed without affecting the start of succeeding activities, called ?

 A. Total float B. Interfering float C. Independent float D. Free float

Explanation:

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50.

Which one of the following is the angular distance between the observer's meridian and the vertical circle passing through a star measured along the celestial horizon ?

 A. Right ascension B. Azimuth C. Declination D. Hour angle