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WorksheetsD50 MASTER THE DAY
Total questions: 113
Worksheet time: 2hrs 53mins
Name
Class
Date
1.
Which cross drainage structure is used when the waterway is less than 6 meters?
a)
Bridge
b)
Causeway
c)
Culvert
d)
Aqueduct
2.
Which curve type is used to smoothen change in direction in a horizontal alignment?
a)
Summit curve
b)
Vertical curve
c)
Horizontal curve
d)
Transition curve
3.
In rural highways, open side drains are usually given a _______ cross-section.
a)
Rectangular
b)
Semicircular
c)
Trapezoidal
d)
Circular
4.
In case of hill roads, which drains are provided only on the hillside?
a)
Catch water drains
b)
Sloping drains
c)
Side drains
d)
Box drains
5.
Which sight distance governs the design of a summit curve?
a)
Overtaking Sight Distance
b)
Intermediate Sight Distance
c)
Stopping Sight Distance
d)
Headlight Sight Distance
6.
What is the preferred super elevation change rate in plains as per IRC?
a)
1 in 60
b)
1 in 150
c)
1 in 100
d)
1 in 120
7.
Which curve is not usually adopted in highways due to safety concerns?
a)
Compound curve
b)
Reverse curve
c)
Transition curve
d)
Summit curve
8.
Culverts are preferred over minor bridges because:
a)
They are stronger
b)
They are aesthetically better
c)
They are cost-effective and hydraulically efficient
d)
They support multi-lane traffic
9.
What is the ideal shape of the valley curve as per IRC?
a)
Cubic parabola
b)
Circular arc
c)
Lemniscate
d)
Clothoid
10.
In urban roads, what collects stormwater before conveying it into underground pipes?
a)
Catch pits
b)
Median drains
c)
Open gutters
d)
Side ditches
11.
Assertion (A): Catch water drains are provided on hill roads.
Reason (R): They prevent surface runoff from flowing onto the road.
a)
Both A and R are true, and R is the correct explanation of A.
b)
Both A and R are true, but R is not the correct explanation of A.
c)
A is true but R is false.
d)
A is false but R is true.
12.
Assertion (A): Transition curves help in gradually introducing super elevation.
Reason (R): A sudden change in super elevation improves vehicle stability.
a)
Both A and R are true, and R is the correct explanation of A.
b)
Both A and R are true, but R is not the correct explanation of A.
c)
A is true but R is false.
d)
A is false but R is true.
13.
Which factor affects the shift of a transition curve?
a)
Length of curve and radius
b)
Width of pavement
c)
Gradient of terrain
d)
Superelevation only
14.
Which material is NOT commonly used for surface drains?
a)
Stoneware
b)
Concrete
c)
Plastic
d)
Asbestos cement
15.
Where is extra widening fully provided in hilly roads?
a)
Outer edge of curve
b)
Centerline of curve
c)
Both edges
d)
Inside edge of curve
16.
Why are rectangular drains generally avoided for high flow discharge?
a)
Difficult to construct
b)
Low velocity causes sedimentation
c)
Too expensive
d)
Not available in market
17.
Which type of curve has a single radius and connects two straight lines?
a)
Compound curve
b)
Simple curve
c)
Reverse curve
d)
Spiral curve
18.
Which design parameter is unique to valley curves and not summit curves?
a)
Stopping sight distance
b)
Headlight sight distance
c)
Overtaking sight distance
d)
Camber control
19.
Which factor determines mechanical widening on a curve?
a)
Driver visibility
b)
Pavement width
c)
Number of lanes and wheel base
d)
Speed of vehicle only
20.
Which part of a culvert controls the flow of water under the road?
a)
Inlet
b)
Outlet
c)
Culvert barrel
d)
Foundation
21.
What is the primary reason for providing camber on road surfaces?
a)
To reduce speed
b)
To provide aesthetic shape
c)
To drain surface water
d)
To support heavy vehicles
22.
Which design parameter is most critical for ensuring comfort in a valley curve?
a)
Minimum radius
b)
Proper lighting
c)
Gradient difference
d)
Rate of change of acceleration
23.
Which cross drainage structure can handle the highest volume of water discharge efficiently?
a)
Culvert
b)
Minor bridge
c)
Catch water drain
d)
Box drain
24.
What is the effect of very flat terrain on road drainage?
a)
High velocity of water
b)
Immediate drying
c)
Risk of water stagnation
d)
High soil erosion
25.
Which curve is used when two straight roads are connected smoothly without sudden jerk?
a)
Simple curve
b)
Transition curve
c)
Compound curve
d)
Reverse curve
26.
What is the recommended shape for valley curves in IRC for comfort?
a)
Square parabola
b)
Spiral
c)
Cubic parabola
d)
Circular
27.
Which parameter is NOT used in the empirical formula for transition curve length?
a)
Vehicle speed
b)
Radius of curve
c)
Camber value
d)
Superelevation rate
28.
Which of the following provides an inward movement of curve to join with transition curve?
a)
Widening
b)
Deflection
c)
Shift
d)
Superelevation
29.
Which of the following is a vertical curve with concavity downwards?
a)
Transition curve
b)
Valley curve
c)
Summit curve
d)
Simple curve
30.
Statement 1: Transition curves help in gradual introduction of centrifugal force.
Statement 2: A reverse curve consists of two arcs on the same side of the common tangent.
a)
Both statements are true
b)
Only Statement 1 is true
c)
Only Statement 2 is true
d)
Both statements are false
31.
Statement 1: Culverts are preferred over minor bridges due to better structural strength.
Statement 2: Culverts are more hydraulically efficient than minor bridges.
a)
Both statements are true
b)
Only Statement 1 is true
c)
Only Statement 2 is true
d)
Both statements are false
32.
Which parameter determines psychological widening?
a)
Speed of vehicle
b)
Lane width
c)
Number of vehicles
d)
Gradient
33.
Which formula is used for calculating offtracking?
a)
V²/127R
b)
l²/2R
c)
V/9.5R
d)
nl²/2R
34.
Where is super elevation maximum along a horizontal alignment?
a)
At the start of curve
b)
At the end of curve
c)
At the midpoint of transition
d)
At the circular curve
35.
Which design value is used in transition curves based on vehicle dynamics?
a)
Rate of super elevation
b)
Rate of centrifugal acceleration
c)
Radius of shift
d)
Camber slope
36.
What type of structure is provided when road crosses a stream?
a)
Side drain
b)
Catch pit
c)
Cross drainage structure
d)
Median barrier
37.
Which drain type is effective but difficult to construct?
a)
U-shaped
b)
V-shaped
c)
Trapezoidal
d)
Semicircular
38.
Which type of cross drainage structure is mostly used in rural roads due to low cost?
a)
Aqueduct
b)
Box culvert
c)
Causeway
d)
Minor bridge
39.
Which curve provides gradual change in gradient along the vertical alignment?
a)
Spiral curve
b)
Valley curve
c)
Summit curve
d)
Vertical curve
40.
In hill roads, what causes rockslides and blockages during monsoons?
a)
Steep gradient
b)
Improper camber
c)
Poor drainage
d)
High curvature
41.
What is the minimum recommended radius for horizontal curves in highways?
a)
15 m
b)
25 m
c)
30 m
d)
50 m
42.
Which curve is used when the difference in gradients is positive?
a)
Valley curve
b)
Compound curve
c)
Summit curve
d)
Reverse curve
43.
What shape is used in side drains to allow emergency parking space on hill roads?
a)
Rectangular
b)
U-shaped
c)
Trapezoidal
d)
Specially widened
44.
What factor directly affects the length of a summit curve?
a)
Speed of vehicle
b)
Gradient difference
c)
Sight distance required
d)
Number of lanes
45.
Which part of a culvert is laid based on foundation conditions?
a)
Barrel
b)
Inlet
c)
Wing wall
d)
Outlet
46.
What is the most preferred valley curve for ride comfort?
a)
Spiral
b)
Square parabola
c)
Cubic parabola
d)
Circular arc
47.
Calculate the off-tracking (in m) for a vehicle with a wheelbase of 6 m negotiating a curve of radius 50 m.
a)
0.18 m
b)
0.36 m
c)
0.24 m
d)
0.72 m
48.
Find the mechanical widening required on a curve of radius 100 m for a two-lane road with a wheelbase of 6 m.
a)
0.18 m
b)
0.36 m
c)
0.24 m
d)
0.72 m
49.
Which formula is used to calculate the length of transition curve based on rate of centrifugal acceleration?
a)
Ls = V²/R
b)
Ls = eN(W + We)
c)
Ls = V³/(CR)
d)
Ls = nl²/2R
50.
Which of the following is NOT a component of a culvert?
a)
Inlet structure
b)
Outlet structure
c)
Catch pit
d)
Culvert barrel
51.
What is the primary use of side drains in rural roads?
a)
To guide traffic
b)
To store water
c)
To drain surface runoff
d)
To support slopes
52.
What is the unit of extra widening calculated using Wm = nl²/2R?
a)
Square meter
b)
Cubic meter
c)
Meter
d)
meter/sec
53.
On circular curves, where is the extra widening provided when R > 50 m and < 300 m?
a)
On inner edge only
b)
On outer edge only
c)
Equally on both edges
d)
No widening is required
54.
Which of the following is the ideal transition curve for modern roads?
a)
Cubic parabola
b)
Lemniscate
c)
Clothoid
d)
Circular
55.
What does a reverse curve consist of?
a)
Two arcs of same radius on same side
b)
Two tangents with no curve
c)
Two arcs with different radii on opposite sides
d)
Single long arc
56.
In culvert design, why is a skewed alignment avoided unless absolutely necessary?
a)
It increases the discharge capacity
b)
It increases construction costs and reduces hydraulic efficiency
c)
It simplifies alignment with the waterway
d)
It helps in passing floating debris
57.
Why does IRC recommend a spiral (clothoid) transition curve in most designs?
a)
Because it is simple to construct
b)
Because it maintains constant radius throughout
c)
Because rate of change of radial acceleration is constant
d)
Because it allows maximum camber
58.
What is the most critical parameter to verify after designing a culvert using capacity charts?
a)
Maximum height of structure
b)
Free flow condition
c)
Skew angle with road
d)
Material used
59.
Why are cubic parabolas preferred over square parabolas in modern valley curve design?
a)
They reduce cost
b)
They offer gentler curvature and better comfort
c)
They help in better stormwater disposal
d)
They avoid headlight glare
60.
For a valley curve, which parameter ensures that the driver does not experience a vertical jerk?
a)
Headlight sight distance
b)
Length based on comfort condition
c)
Super elevation
d)
Camber slope
61.
Which condition justifies full widening on the inner edge of a curve?
a)
When curve radius is >300 m
b)
When curve radius is <50 m
c)
When curve has super elevation
d)
When psychological widening is zero
62.
In a compound curve, what is the usual relation between R1 and R2?
a)
R2 = 0.5 R1
b)
R2 = 2 R1
c)
R2 = 1.5 R1
d)
R2 = R1
63.
Why is valley curve design considered more critical than summit curve design?
a)
Due to high cost
b)
Because it involves night-time visibility and driver comfort
c)
Because super elevation is hard to provide
d)
Due to low drainage efficiency
64.
What is the role of catch water drains in hill roads?
a)
To collect sewage
b)
To improve aesthetics
c)
To intercept hillside runoff before reaching the road
d)
To provide pedestrian access
65.
What does the term 'shift' in transition curve design represent?
a)
Lateral movement of driver
b)
Offset for drainage
c)
Inward movement of circular curve to accommodate transition
d)
Pavement widening on outer edge
66.
Which is a limitation of using a lemniscate transition curve in highway alignment?
a)
Not aesthetically pleasing
b)
Difficult field setting due to complex geometry
c)
Sudden rate of curvature change
d)
Not compatible with headlight beam requirements
67.
Which factor primarily governs the slope of side drains in embankment sections?
a)
Type of pavement surface
b)
Speed of vehicles
c)
Runoff intensity and soil condition
d)
Drainage pipe diameter
68.
In urban drainage, what is the key disadvantage of using open surface drains?
a)
High construction cost
b)
Difficult to maintain alignment
c)
Encroachment and safety risk due to exposed flow
d)
They cause erosion
69.
Why is the rate of change of centrifugal acceleration critical in transition curves?
a)
To allow better visibility
b)
To ensure uniform camber
c)
To minimize discomfort due to abrupt steering and acceleration changes
d)
To reduce braking distance
70.
Which transition curve type is based on maintaining the rate of change of super elevation?
a)
Cubic parabola
b)
Clothoid
c)
Lemniscate
d)
Parabola of 2nd degree
71.
Why are covered drains used instead of open drains in cut sections of rural roads?
a)
To improve water velocity
b)
To reduce road width
c)
To reduce danger and improve traffic safety
d)
To support embankment height
72.
In summit curve design, why is a circular curve preferred over a cubic parabola?
a)
It provides more clearance for drainage
b)
Easier to calculate sight distance
c)
Better alignment with superelevation
d)
Reduces the need for camber
73.
In transition curve design, what does the term ‘Ls’ represent?
a)
Slope of side drains
b)
Length of shoulder
c)
Length of transition curve
d)
Superelevation width
74.
What happens if the valley curve is too short for a given headlight beam angle?
a)
Improved sight distance
b)
Overestimation of safe speed
c)
Vehicle bottoming and unsafe driving
d)
Reduced visibility during the day
75.
Why are side drains provided on both sides in cutting sections but only one side in embankments?
a)
Due to land width availability
b)
Because cutting receives water from both sides, embankment only from one
c)
To reduce flow velocity
d)
To match camber requirements
76.
What is the main role of camber in pavement surfaces?
a)
To support pavement load
b)
To control vehicle speed
c)
To facilitate surface drainage
d)
To provide aesthetic slope
77.
Which geometric feature helps vehicles gradually transition from straight to curved alignment?
a)
Simple curve
b)
Spiral curve
c)
Valley curve
d)
Compound curve
78.
Which valley curve design offers maximum riding comfort?
a)
Square parabola
b)
Spiral curve
c)
Circular arc
d)
Cubic parabola
79.
In a road cutting, side drains are provided on:
a)
Only one side
b)
Both sides
c)
Outside edge only
d)
Where land width permits
80.
Which element is not a part of a typical culvert structure?
a)
Wing wall
b)
Inlet
c)
Median barrier
d)
Outlet
81.
What is the usual position of super elevation initiation in horizontal curves?
a)
Start of circular curve
b)
Middle of circular curve
c)
End of transition curve
d)
Start of transition curve
82.
Why are drains in urban roads generally underground?
a)
To increase stormwater capacity
b)
To avoid obstruction due to narrow right of way
c)
To reduce soil erosion
d)
To simplify maintenance
83.
What is the purpose of providing vertical curves?
a)
To change direction
b)
To improve surface texture
c)
To connect differing gradients smoothly
d)
To provide side friction
84.
Match the following: A. Summit Curve → 1. Headlight Sight Distance B. Valley Curve → 2. Stopping Sight Distance C. Transition Curve → 3. Superelevation D. Catch Water Drain → 4. Hill Roads
a)
A-1, B-2, C-3, D-4
b)
A-2, B-1, C-3, D-4
c)
A-3, B-2, C-1, D-4
d)
A-1, B-3, C-2, D-4
85.
Match the following types of drains with their characteristics:
A. U-shaped → 1. Easy to construct
B. V-shaped → 2. Better hydraulics
C. Semicircular → 3. Readymade units
D. Rectangular → 4. Risk of sediment
a)
A-1, B-2, C-3, D-4
b)
A-2, B-1, C-3, D-4
c)
A-1, B-2, C-4, D-3
d)
A-4, B-2, C-3, D-1
86.
In design of side drains, which cross-section provides the best balance between ease of construction and hydraulic performance?
a)
Rectangular
b)
V-shaped
c)
U-shaped
d)
Trapezoidal
87.
Which parameter is not directly required for calculating the length of a transition curve using the empirical method?
a)
Speed
b)
Radius
c)
Superelevation rate
d)
No. of lanes
88.
For curve radius > 300 m, what widening provision is adopted?
a)
Fully on outer edge
b)
Equally on both edges
c)
No widening needed
d)
Half on inner edge only
89.
Which condition justifies the use of a reverse curve on highways?
a)
To avoid a hillock
b)
To connect diverging routes
c)
To link two parallel straight roads
d)
To create a shortcut
90.
What is the usual design radius for a summit curve providing a stopping sight distance of 120 m?
a)
Based on empirical formula only
b)
Based on curvature requirements
c)
Based on parabolic approximation
d)
Derived from SSD requirement
91.
Which geometric property of transition curves enables easier field layout and computation?
a)
Constant radius
b)
Linear curvature increase
c)
Uniform gradient
d)
Arc length = chord length
92.
Which structure is preferred when a stream passes diagonally under a road in a narrow right-of-way?
a)
Box culvert with skew alignment
b)
Trapezoidal drain with side slope
c)
Circular pipe culvert with invert drop
d)
RCC slab bridge
93.
What is the main limitation of rectangular drains in low depth flow conditions?
a)
Excessive erosion
b)
Structural instability
c)
Sediment deposition
d)
Construction complexity
94.
In hill roads, side drains are provided:
a)
On both sides
b)
Only on valley side
c)
Only on hill side
d)
In embankments only
95.
What is the ideal shape of a transition curve according to IRC?
a)
Lemniscate
b)
Cubic parabola
c)
Clothoid
d)
Reverse arc
96.
Which cross drainage structure is most commonly used in highways?
a)
Minor bridge
b)
Box culvert
c)
Aqueduct
d)
Culvert
97.
Which curve has convexity upwards and is provided to connect two positive gradients?
a)
Valley curve
b)
Reverse curve
c)
Summit curve
d)
Spiral curve
98.
What is the recommended material for pipe culverts with sand bedding?
a)
RCC pipes
b)
HDPE pipes
c)
Cast iron pipes
d)
Stoneware pipes
99.
Why is it important to match culvert alignment with the natural waterway?
a)
To simplify calculations
b)
To increase foundation size
c)
To minimize erosion and improve efficiency
d)
To reduce head loss
100.
What is the minimum design factor considered for summit curves?
a)
Overtaking Sight Distance
b)
Intermediate Sight Distance
c)
Stopping Sight Distance
d)
Transition Length
101.
What is the main function of a road drainage system?
a)
Collect traffic data
b)
Provide structural support
c)
Collect sullage and storm water
d)
Prevent vehicle skidding
102.
Which type of surface drain is suitable for heavy discharge?
a)
Semicircular drain
b)
U-shaped drain
c)
V-shaped drain
d)
Rectangular surface drain
103.
What is a key disadvantage of rectangular surface drains?
a)
Difficult to construct
b)
Low discharge capacity
c)
Deposition at low flow
d)
Too costly
104.
Semicircular drains are typically made of which material?
a)
Plastic
b)
RCC
c)
Asbestos cement or stoneware
d)
Cast iron
105.
Which drain type is constructed using a curved bottom and vertical sides?
a)
V-shaped drain
b)
Trapezoidal drain
c)
Rectangular drain
d)
U-shaped drain
106.
What is the shape of V-shaped surface drains?
a)
Trapezoidal
b)
Triangular
c)
Curved
d)
Vertical
107.
Which type of drain is best for rural roads?
a)
Open unlined trapezoidal drains
b)
Rectangular lined drains
c)
Underground sewer
d)
Covered semicircular drains
108.
Where are covered drains commonly used?
a)
Highways
b)
Urban roads
c)
Hilly roads
d)
Village roads
109.
What is a culvert?
a)
Bridge for vehicles
b)
Pipe for electric cables
c)
Structure carrying water under the road
d)
Retaining wall
110.
Which type of flow occurs when H ≤ 1.2 h in culverts?
a)
Full flow
b)
Critical flow
c)
Free flow
d)
Part full flow
111.
Which component is NOT part of a culvert?
a)
Inlet structure
b)
Culvert barrel
c)
Pier
d)
Outlet structure
112.
What is the minimum diameter for a pipe culvert as per the document?
a)
30 cm
b)
45 cm
c)
60 cm
d)
90 cm
113.
Why are skew-designed culverts usually avoided?
a)
They are aesthetically unappealing
b)
They reduce flow
c)
They cost more and require more length
d)
They don’t align with roads
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