WorksheetsD69 FACE THE CHALLENGE
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
A circular curve of radius 300 m is designed for a speed of 72 km/h. What should be the super-elevation (e) in percentage? (Take g = 9.81 m/s²)
a)
4.8
b)
13.6
c)
6.0
d)
7.2
2.
A penstock has a diameter of 2 m and carries water at a velocity of 3 m/s. What is the discharge in m³/s?
a)
9.42
b)
8.85
c)
6.28
d)
12.57
3.
Which drainage structure is used to intercept surface water and carry it away from the roadway?
a)
Catch basin
b)
Weep hole
c)
Side ditch
d)
Gutter
4.
In steel design, the term 'yield stress' refers to:
a)
Stress at which steel fractures
b)
Stress at which steel begins to deform plastically
c)
Maximum stress in elastic range
d)
Average stress in working load
5.
In building materials, which brick type is best suited for damp conditions?
a)
First class brick
b)
Fly ash brick
c)
Engineering brick
d)
Refractory brick
6.
The main function of a spillway in a dam is to:
a)
Store water
b)
Control seepage
c)
Release excess water
d)
Increase head
7.
Which of the following is a transition curve commonly used in highway design?
a)
Parabolic curve
b)
Clothoid
c)
Circular arc
d)
Elliptical arc
8.
Which drainage structure allows water to pass under a road or railway?
a)
Culvert
b)
Weep hole
c)
Catch basin
d)
Side ditch
9.
In steel beams, lateral-torsional buckling can be prevented by:
a)
Increasing web thickness
b)
Reducing flange width
c)
Providing lateral bracing
d)
Using bolted connections
10.
What is the main purpose of providing expansion joints in concrete structures?
a)
To control deflection
b)
To allow thermal movement
c)
To reduce weight
d)
To increase stiffness
11.
Which RCC element is designed primarily for axial compression?
a)
Beam
b)
Slab
c)
Column
d)
Footing
12.
In BM topic, the term 'frog' refers to:
a)
A type of mortar joint
b)
A depression on brick surface
c)
A projecting stone course
d)
A water channel
13.
In steel construction, which connection type allows rotation but resists shear?
a)
Moment connection
b)
Pinned connection
c)
Fixed connection
d)
Rigid connection
14.
A trapezoidal channel has a bottom width of 6 m, side slope of 1.5H:1V, and depth of flow 2 m. Find the top width of the water surface.
a)
10 m
b)
12 m
c)
14 m
d)
15 m
15.
Which curve is commonly used on hill roads to provide gradual change in alignment?
a)
Spiral curve
b)
Simple curve
c)
Transition curve
d)
Reverse curve
16.
In a Pelton wheel, maximum efficiency is achieved when the bucket speed is approximately:
a)
Half of the jet velocity
b)
Equal to jet velocity
c)
Twice the jet velocity
d)
One-third of the jet velocity
17.
Assertion (A): In RCC beams, stirrups are provided throughout the span. Reason (R): They resist shear forces and hold longitudinal bars in position.
a)
Both A and R are true and R is correct explanation of A
b)
Both A and R are true but R is not correct explanation of A
c)
A is true, R is false
d)
A is false, R is true
18.
Which type of steel section is most efficient for long span beams?
a)
T-section
b)
H-section
c)
I-section
d)
Angle section
19.
In a siphon spillway, the discharge capacity increases due to:
a)
Vacuum created in the throat
b)
Steeper slope
c)
Larger crest length
d)
Wider approach channel
20.
For a given design speed, the minimum radius of a horizontal curve increases with:
a)
Decrease in friction coefficient
b)
Increase in friction coefficient
c)
Decrease in super elevation
d)
Increase in camber
21.
In RCC, cover blocks are used to:
a)
Increase bond strength
b)
Maintain cover thickness
c)
Increase strength of concrete
d)
Reduce shrinkage cracks
22.
Which beam cross-section is best for resisting torsion?
a)
Circular hollow
b)
I-section
c)
T-section
d)
Rectangular solid
23.
In bituminous road construction, 'tack coat' is applied to:
a)
Seal the surface
b)
Provide waterproofing
c)
Bond two layers
d)
Fill potholes
24.
The cavitation in turbines can be minimized by:
a)
Lowering turbine setting
b)
Increasing runner speed
c)
Reducing guide vane angle
d)
Using higher head
25.
Which type of dam is most suitable for narrow V-shaped valleys with strong rock foundations?
a)
Earthen dam
b)
Arch dam
c)
Gravity dam
d)
Buttress dam
26.
What is the main function of dowels in rigid pavements?
a)
Transfer load across joints
b)
Provide drainage
c)
Reduce shrinkage
d)
Increase friction
27.
In AutoCAD, the command used to join two lines into a single polyline is:
a)
JOIN
b)
MERGE
c)
COMBINE
d)
UNITE
28.
For a horizontal curve, the transition length increases with:
a)
Increase in design speed
b)
Decrease in design speed
c)
Increase in camber
d)
Decrease in super elevation
29.
Which RCC slab type is directly supported on columns without beams?
a)
Flat slab
b)
One-way slab
c)
Two-way slab
d)
Waffle slab
30.
In steel design, 'slender section' refers to a section prone to:
a)
Buckling
b)
Shear failure
c)
Torsional cracking
d)
Local crushing
100 %
