On sag (or valley) curves the available sight distance is determined based on :

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Question
On sag (or valley) curves the available sight distance is determined based on :
Options
A. design speed
B. height of obstacle
C. height of driver eye
D. night-time driving conditions

Correct Answer

height of driver eye

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2. The microbial quality of treated piped water supplies is monitored by
Options
A. Microscopic examination
B. Plate count of heterotrophic bacteria
C. Coliform MPN test
D. Identification of all pathogens

4. The ruling minimum radius of horizontal curve of a national highway in plain terrain for ruling design speed of 100 km/hour with e = 0.07 and f = 0.15 is close to
Options
A. 250 m
B. 360 m
C. 36 m
D. 300 m

7. Some of the structural strength of a clayey material that is lost by remoulding is slowly recovered with time. This property of soils to undergo an isothermal gel-to-soil-to-gel transformation upon agitation and subsequent rest is termed :
Options
A. Isotropy
B. Anisotropy
C. Thixotropy
D. Allotropy

9. The span to depth ratio limit is specified in IS : 456-1978 for the reinforced concrete beams, in order to ensure that the
Options
A. tensile crack width is below a limit
B. shear failure is avoided
C. stress in the tension reinforcement is less than the allowable value
D. deflection of the beam is below a limiting value

10. The peak discharge of the instantaneous unit hydrograph of a basin, when compared to the peak discharge of a 4-hour unit hydrograph of that basin, would be
Options
A. greater
B. equal
C. equal or lesser
D. lesser

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