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.Management Sciences
Category: Highway Engineering
“Dead Slow” is a______________?
A. regulatory sign
B. warning sign
C. informatory sign
D. none of the above
If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression_________________?
A. 0.38 N V3/2
B. 0.38 (NV3)”2
C. 3.8 NV”2
D. 3.8 (NV3)”2
Which of the following shapes is preferred in a valley curve ?
A. simple parabola
B. cubic parabola
C. spiral
D. lemniscate
Enoscope is used to find______________?
A. average speed
B. spot speed
C. space-mean speed
D. time-mean speed
When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is________________?
A. circular
B. tangent
C. elliptical
D. turbine
Most suitable material for highway embankments is______________?
A. granular soil
B. organic soil
C. silts
D. clays
Select the incorrect statement?
A. Stop or red time of a signal is the sum of go and clearance intervals for the cross flow
B. Go or green time of a signal is the sum of stop and clearance intervals for the cross flow
C. Clearance time is generally 3 to 5 seconds
D. The cycle length is normally 40 to 60 seconds for two phase signals
Select the correct statement________________?
A. Quantity of binder required for tack coat is less than that required for prime coat
B. Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction
C. Seal coat is the final coat over certain previous bituminous pavements
D. A bitumen primer is a high viscosity cutback
The most economical lighting layout which is suitable for narrow roads is_______________?
A. single side lighting
B. staggered system
C. central lighting system
D. none of the above
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