ট্রান্সপোর্টেশন ইঞ্জিনিয়ারিং MCQ
181. The stopping sight distance is always -----overtaking sight distance.
equal to
greater than
less than
none of these
182. The camber of road should be approximately equal--- to the longitudinal gradient.
one-half
two times
three times
four times
183. The camber recommended for water-bound macadam roads is-
1 in 24 to 1 in 30
1 in 30 to 1 in 48
1 in 48 to 1 in 60
1 in 60 to 1 in 80
184. The raising of outer edge of the road above the inner edge is known as-
superelevation
banking
cant
all of these
185. The road surfacing should be-
impervious
stable
durable
all of these
186. The type of transition curve recommended by the IRC is-
cubic parabola
lamniscate
cubic spiral
none of these
187. The stopping sight distance depends upon the-
reaction time
breaking time
speed of vehicle
all of these
188. The width of the class 9 road is-
2.45m
4.9m
3.65m
6m
189. The reaction time of a driver---- with the increase in speed.
remains constant
increases
decreases
same
190. The shape of a vertical curve is-
parabolic
elliptical
spiral
any one of these
191. Alignment of a road is finally decided on the basis of-
selection of route
trace cut
field survey
none of these
192. A terrain with cross-slope less than 10%, is called---terrain.
steep
level
mountainous
rolling
193. The rate of rise or fall of the road surface along its length, is called-
cant
gradient
superelevation
banking
194. The shape of a the camber provided for cement concrete pavement is-
straight line
elliptical
parabolic
none of these
195. Exceptional gradient should not be provided in a length more than-
0m
20m
50m
100m
196. Which of the following is not a transition curve?
compound curve
cubic parabola
cubic spiral
true spiral
197. The slope of the line joining the crown and edge of the road surface is known as-
cross-fall
camber
cross-slope
any one of these
198. The equilibrium super-elevation is given by-
V^2/R
V^2/(gR)
(GV^2)/127R
None of these
199. The value of maximum gradient for hill roads is-
1 in 5
1 in 12
1 in 15
1 in 20
200. Rolling terrain is a terrain with cross-slope of-
upto 10%
25 to 60%
10 to 25%
greater than 60%