71
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
Answer & Solution
Answer: Option
B
72
When the path travelled along the road surface is more than the circumferential movement of the wheels due to rotation, then it results in
A)
slipping
B)
skidding
C)
turning
D)
revolving
Answer & Solution
Answer: Option
B
73
Scientific planning of transportation system and mass transit facilities in cities should be based on
A)
spot speed data
B)
origin and destination data
C)
traffic volume data
D)
accident data
Answer & Solution
Answer: Option
B
74
The sequence of four stages of survey in a highway alignment is
A)
reconnaissance, map study, preliminary survey and detailed survey
B)
map study, preliminary survey, reconnaissance and detailed survey
C)
map study, reconnaissance, preliminary survey and detailed survey
D)
preliminary survey, map study, reconnaissance and detailed survey
Answer & Solution
Answer: Option
C
75
The suitable surfacing material for a bridge deck slab is
A)
sheet asphalt
B)
bituminous carpet
C)
mastic asphalt
D)
rolled asphalt
Answer & Solution
Answer: Option
C
76
The maximum thickness of expansion joint in rigid pavements is
A)
10 mm
B)
25 mm
C)
50 mm
D)
100 mm
Answer & Solution
Answer: Option
B
77
The maximum spacing of contraction joints in rigid pavements is
A)
2.5 m
B)
3.5 m
C)
4.5 m
D)
5.5m
Answer & Solution
Answer: Option
C
78
The camber for hill roads in case of bituminous surfacing is adopted as
A)
2%
B)
2.5%
C)
3%
D)
4%
Answer & Solution
Answer: Option
B
79
Stopping sight distance is always
A)
less than overtaking sight distance
B)
equal to overtaking sight distance
C)
more than overtaking sight distance
D)
none of the above
Answer & Solution
Answer: Option
A
80
In case of summit curves, the deviation angle will be maximum when
A)
an ascending gradient meets with another ascending gradient
B)
an ascending gradient meets with a descending gradient
C)
a descending gradient meets with another descending gradient
D)
an ascending gradient meets with a level surface
Answer & Solution
Answer: Option
B