Practice Test: Question Set - 16
1. First operation during the detailed survey of a hill road, is
- (A) Hydrological
and soil surveys
- (B) Adjustment
of alignment along with curves
- (C) Derivation
of longitudinal and cross-sections
- (D) Fixation
of Bench Marks
2. Pick up the incorrect statement from the following. The width of the right-of-way is decided so as to accommodate
- (A) Formation
width
- (B) Side slopes
- (C) Horizontal
curve
- (D) Vertical
curve
3. The type of transition curves generally provided on hill roads, is
- (A) Circular
- (B) Cubic
parabola
- (C) Lemniscate
- (D) Spiral
4. When a number of hair pin bends are introduced, a minimum intervening distance in between is kept
- (A) 20 m
- (B) 40 m
- (C) 60 m
- (D) 100 m
5. If cross slope of a country is 10% to 25%, the terrain is classified as
- (A) Rolling
- (B) Mountainous
- (C) Steep
- (D) Plain
6. For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of
- (A) Westergaard's formula
- (B) Kelly's
formula
- (C) Goldbeck's
formula
- (D) Picker's
formula
7. On the recommendations of Indian Road Congress, the ruling gradient in plains, is
- (A) 1 in 15
- (B) 1 in 20
- (C) 1 in 30
- (D) 1 in 45
8. The tangent length of a simple circular curve of radius R deflecting through θ°, is
- (A) R tan
θ
- (B) R tan θ/2
- (C) R sin θ
- (D) R sin θ/2
9. While calculating the sight distances, the driver's eye above road surface, is assumed
- (A) 90 cm
- (B) 100 cm
- (C) 110 cm
- (D) 120 cm
10. On earth roads, the camber should preferably be
- (A) 1 in 20 to 1
in 24
- (B) 1 in 30 to 1
in 48
- (C) 1 in 15 to 1
in 20
- (D) 1 in 10 to 1
in 15
11. At a road junction, 7 cross conflict points are severe if
- (A) Both
are one-way roads
- (B) Both are
two-way roads
- (C) One is
two-way road and other is one-way road
- (D) None of
these
12. The safe length L of a valley curve for night travel is
- (A) 2S - (1.50 + 0.035 S)/N if L < S
- (B) NS2/(1.50 + 0.035 S) if L > S
- (C) Neither (a)
nor (b)
- (D) Both (a)
and (b)
13. Road width 8.8 m of two lane National highways or State highways in mountainous terrain
- (A) Excludes the
width of parapet (0.6 m)
- (B) Excludes the
width of side drain (0.6 m)
- (C) Excludes the
width of parapet and side drain
- (D) Includes the
width of parapet and side drain
14. The radius of curvature provided along a transition curve, is
- (A) Minimum at
the beginning
- (B) Same
throughout its length
- (C) Equal
to the radius of circular curve
- (D) Varying from
infinity to the radius of circular curve
15. The normal road width of National and State highways
- (A) Is kept 45 m
- (B) In plain and
rolling terrain built-up area, is 30 m
- (C) In
mountainous built-up area is 20 m
- (D) All the
above
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